{"title":"Doepfer Modulation","description":"\u003cp\u003eDoepfer LFOs, envelope \u0026amp; function generators, slew limiters, sample \u0026amp; hold modules and more in Eurorack format, for bringing movement to any parameter.\u003c\/p\u003e","products":[{"product_id":"doepfer-a-147-4-dual-vc-lfo","title":"Doepfer A-147-4","description":"\n\u003cp\u003e\u003cstrong\u003eModule A-147-4 is\u003c\/strong\u003e a dual voltage controlled LFO (Low Frequency Oscillator). Each LFO has the five waveforms triangle, sine, rising and falling sawtooth, as well as rectangle available. The rectangle output features manually adjustable pulsewidth and pulsewidth modulation by means of an external control voltage. The core waveform is triangle. The other waveforms are derived from triangle by means of waveform converters. The frequency of each LFO can be adjusted manually and modulated by means of an external control voltage with associated attenuator and polarity switch. By means of a jumper the basic frequency range of each LFO can selected: about 0.02 Hz (~ 50 seconds) ... 2.5kHz or about 0.0017 Hz(~ 600 seconds) ... 220Hz. That way each LFO can be used also as a VCO with a max. frequency of about 2.5kHz. Each LFO features a reset input which can be used to reset the triangle signal.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe module has these controls and in\/outputs available:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eControl F : manual control of the frequency, for each LFO the frequency range can be selected by means of a jumper from two values (see technical notes)\n\u003cul\u003e\n\u003cli\u003efrequency coverage of control F in the high frequency range: about 0.075 Hz (~ 13 seconds) ... 1,4kHz\u003c\/li\u003e\n\u003cli\u003efrequency coverage of control F in the low frequency range: about 0.007 Hz (~ 140 seconds) ... 125Hz\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eControl CV: attenuator for the signal applied to the CV socket, by means of a jumper a small positive voltage can be applied to the switching contact of the \/CV\/ socket, as long as no patch cable is connected to \/CV\/ socket the CV control then works as fine control for the frequency\u003c\/li\u003e\n\u003cli\u003eSwitch CV Pol.: polarity switch for the signal applied to the socket \/CV\/\u003c\/li\u003e\n\u003cli\u003eControl PW\/PM: combined control for manual and CV control of the rectangle pulsewidth:\n\u003cul\u003e\n\u003cli\u003ewhen no patch cable is connected to socket \/P\/ the control is used to adjust the pulsewidth (PW) manually\u003c\/li\u003e\n\u003cli\u003ewhen a patch cable is connected to socket \/P\/ the control works as attenuator for the external CV signal with a basic pulsewidth of 50:50.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/li\u003e\n\u003cli\u003eSocket \/CV\/: frequency control voltage input, in the factory the module is adjusted so that the sensitivity of this input is exactly 1V\/octave when the CV control is fully CW.\u003c\/li\u003e\n\u003cli\u003eSocket \/R\/: reset input, according to the associated jumper the reset input is edge triggered or level controlled (see technical notes for details)\u003c\/li\u003e\n\u003cli\u003eSocket \/P\/: pulsewidth control voltage input\u003c\/li\u003e\n\u003cli\u003eSockets with waveform symbol: output of the waveform in question (triangle, sine, rising and falling sawtooth, rectangle) \u003c\/li\u003e\n\u003cli\u003eThe output voltage ranges are about -5V ... +5V (10Vpp), except the rectangle output\u003c\/li\u003e\n\u003cli\u003eFor the rectangle output one can choose by means of a jumper if the range is about -5V ... +5V or  0...+10V.\u003c\/li\u003e\n\u003cli\u003eLED: visual control of the LFO (triangle)\u003c\/li\u003e\n\u003cli\u003eThe inputs of the module are labelled with white characters on black background (in the text included into two slashes). The outputs are labelled with black characters.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003eTechnical notes and special features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eThe basic frequency range of each LFO can be selected by means of a jumper. The settings correspond to two different capacitor values for the VCO circuit. The relation between the two ranges is about 1:11. When the upper range is selected frequencies from about 0.02 Hz up to 2.5kHz can be generated. For the lower range the values are about 0.0017 Hz ... 220Hz. To obtain these full frequency ranges external control voltages are required. With the frequency control F only the frequencies mentioned above are possible.\u003c\/li\u003e\n\u003cli\u003eApart from that the range for the manual control F can be reduced to obtain a finer resolutuion. For this a jumper has to be removed. The range of control F is then reduced to about 1:4.5 only.\u003c\/li\u003e\n\u003cli\u003eIn the factory the starting voltage of the triangle output after a reset is adjusted to 0V, i.e. the triangle starts from 0V with the rising slope after a reset. By means of a trimming potentiometer the starting voltage can be adjusted to another value (e.g. to -5V).\u003c\/li\u003e\n\u003cli\u003eAnother jumper is used to set the reset behaviour to edge triggered or level controlled. When set to edge triggered the rising edge of reset signal is used for the reset (independent of the duration of the \"high\" state of the reset signal). When set to level controlled the triangle output remains at the starting voltage as long as the reset signal is \"high\". Only when the reset signal turns \"low\" the triangle starts.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cstrong\u003ePower consumption:\u003c\/strong\u003e 80mA at +12 V and 70mA at -12 V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDepth:\u003c\/strong\u003e 45mm\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eHP :\u003c\/strong\u003e 8\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125531959635,"sku":"210000002485","price":199.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/1002191-1.jpg?v=1772280176"},{"product_id":"doepfer-a-135-4c-quad-envelope-follower","title":"Doepfer A-135-4C Quad Envelope Follower","description":"\n\u003cp data-start=\"3480\" data-end=\"3554\"\u003e\u003cstrong data-start=\"3480\" data-end=\"3554\"\u003eDoepfer A-135-4C Quad Envelope Follower: Audio-Controlled CV Generator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3556\" data-end=\"3793\"\u003eThe A-135-4C is a quad envelope follower module that converts four individual audio inputs into four corresponding CV outputs. It’s a great tool for deriving modulation from dynamic audio signals such as drums, voices, or rhythmic loops.\u003c\/p\u003e\n\u003cp data-start=\"3795\" data-end=\"3814\"\u003e\u003cstrong data-start=\"3795\" data-end=\"3812\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3815\" data-end=\"4063\"\u003e\n\u003cli data-start=\"3815\" data-end=\"3854\"\u003e\n\u003cp data-start=\"3817\" data-end=\"3854\"\u003eFour independent envelope followers\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3855\" data-end=\"3914\"\u003e\n\u003cp data-start=\"3857\" data-end=\"3914\"\u003eConverts amplitude of incoming audio to control voltage\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3915\" data-end=\"3965\"\u003e\n\u003cp data-start=\"3917\" data-end=\"3965\"\u003ePerfect for expressive, audio-reactive patches\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3966\" data-end=\"4001\"\u003e\n\u003cp data-start=\"3968\" data-end=\"4001\"\u003eUltra-compact at just 4 HP wide\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4002\" data-end=\"4063\"\u003e\n\u003cp data-start=\"4004\" data-end=\"4063\"\u003eDesigned to complement the A-135-4 Performance Mixer series\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4065\" data-end=\"4096\"\u003e\u003cstrong data-start=\"4065\" data-end=\"4094\"\u003eTechnical Specifications:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"4097\" data-end=\"4232\"\u003e\n\u003cli data-start=\"4097\" data-end=\"4112\"\u003e\n\u003cp data-start=\"4099\" data-end=\"4112\"\u003eWidth: 4 HP\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4113\" data-end=\"4159\"\u003e\n\u003cp data-start=\"4115\" data-end=\"4159\"\u003ePower consumption: approx. +50 mA \/ -10 mA\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4160\" data-end=\"4180\"\u003e\n\u003cp data-start=\"4162\" data-end=\"4180\"\u003eInputs: 4x audio\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4181\" data-end=\"4208\"\u003e\n\u003cp data-start=\"4183\" data-end=\"4208\"\u003eOutputs: 4x envelope CV\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4209\" data-end=\"4232\"\u003e\n\u003cp data-start=\"4211\" data-end=\"4232\"\u003eFormat: Eurorack (3U)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"4234\" data-end=\"4313\"\u003eAdd dynamic modulation possibilities to your Eurorack system with the A-135-4C.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125646385491,"sku":"A-135-4c","price":119.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/170090-doepfer-a1354c-quad-envelope-follower-17009.webp?v=1772280855"},{"product_id":"doepfer-a-140-adsr-envelope-generator","title":"Doepfer A-140 ADSR Envelope Generator","description":"\n\u003cp data-start=\"3196\" data-end=\"3237\"\u003e\u003cstrong data-start=\"3196\" data-end=\"3237\"\u003eDoepfer A-140 ADSR Envelope Generator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3239\" data-end=\"3531\"\u003eThe Doepfer A-140 is a classic and highly dependable ADSR envelope generator for Eurorack systems. Featuring the standard four-stage shape – Attack, Decay, Sustain, and Release – this module is ideal for modulating VCAs, filters, or any destination that benefits from dynamic voltage control.\u003c\/p\u003e\n\u003cp data-start=\"3533\" data-end=\"3872\"\u003eIt offers three simultaneous outputs: a standard envelope, an inverted version, and an additional output with a LED visual indicator. The A-140 can be triggered manually or via gate input, making it extremely flexible and user-friendly. Whether you're new to modular or building out a complex system, the A-140 remains a must-have utility.\u003c\/p\u003e\n\u003cp data-start=\"3874\" data-end=\"3891\"\u003e\u003cstrong data-start=\"3874\" data-end=\"3891\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3893\" data-end=\"4103\"\u003e\n\u003cli data-start=\"3893\" data-end=\"3934\"\u003e\n\u003cp data-start=\"3895\" data-end=\"3934\"\u003eClassic ADSR envelope generator (8HP)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3935\" data-end=\"3971\"\u003e\n\u003cp data-start=\"3937\" data-end=\"3971\"\u003eNormal, inverted, and LED output\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3972\" data-end=\"4010\"\u003e\n\u003cp data-start=\"3974\" data-end=\"4010\"\u003eManual and gate triggering options\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4011\" data-end=\"4065\"\u003e\n\u003cp data-start=\"4013\" data-end=\"4065\"\u003ePerfect for use with VCAs, filters, or mod sources\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"4066\" data-end=\"4103\"\u003e\n\u003cp data-start=\"4068\" data-end=\"4103\"\u003eReliable and straightforward design\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648187731,"sku":"A-140","price":80.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-140-01.jpg?v=1772280986"},{"product_id":"doepfer-a-140-2-dual-micro-adsr","title":"Doepfer A-140-2 Dual Micro ADSR","description":"\n\u003cp data-start=\"3024\" data-end=\"3059\"\u003e\u003cstrong data-start=\"3024\" data-end=\"3059\"\u003eDoepfer A-140-2 Dual Micro ADSR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3061\" data-end=\"3312\"\u003eThe Doepfer A-140-2 is a highly compact and efficient dual ADSR envelope generator designed for Eurorack systems. It features two completely independent envelope generators in a slim 6HP module – perfect for modular setups where space is at a premium.\u003c\/p\u003e\n\u003cp data-start=\"3314\" data-end=\"3661\"\u003eEach envelope has its own set of controls for Attack, Decay, Sustain, and Release, along with a dedicated gate input and envelope output. The gate inputs are normalized, allowing a single gate signal to trigger both envelopes if desired. Additional features include a switchable time range (fast\/slow) and LED indicators for clear visual feedback.\u003c\/p\u003e\n\u003cp data-start=\"3663\" data-end=\"3680\"\u003e\u003cstrong data-start=\"3663\" data-end=\"3680\"\u003eKey Features:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul data-start=\"3682\" data-end=\"3865\"\u003e\n\u003cli data-start=\"3682\" data-end=\"3727\"\u003e\n\u003cp data-start=\"3684\" data-end=\"3727\"\u003eDual independent ADSR envelope generators\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3728\" data-end=\"3754\"\u003e\n\u003cp data-start=\"3730\" data-end=\"3754\"\u003eSpace-saving 6HP width\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3755\" data-end=\"3781\"\u003e\n\u003cp data-start=\"3757\" data-end=\"3781\"\u003eNormalized gate inputs\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3782\" data-end=\"3822\"\u003e\n\u003cp data-start=\"3784\" data-end=\"3822\"\u003eSwitchable time range (fast or slow)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3823\" data-end=\"3865\"\u003e\n\u003cp data-start=\"3825\" data-end=\"3865\"\u003eLED output indicators for both envelopes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648220499,"sku":"A-140-2","price":173.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/180281-doepfer-a1402-dual-micro-adsr-1802811-1920x.webp?v=1772280986"},{"product_id":"doepfer-a-140-2v-dual-micro-adsr-vintage-edition","title":"Doepfer A-140-2v Dual Micro ADSR Vintage Edition","description":"\n\u003cp data-start=\"3358\" data-end=\"3410\"\u003e\u003cstrong data-start=\"3358\" data-end=\"3410\"\u003eDoepfer A-140-2v Dual Micro ADSR Vintage Edition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3412\" data-end=\"3690\"\u003eThe Doepfer A-140-2v Vintage Edition is the classic-looking version of the compact dual ADSR envelope generator, featuring a vintage-inspired front panel design. While it sports a nostalgic aesthetic, it delivers the same powerful and versatile features as the standard A-140-2.\u003c\/p\u003e\n\u003cp data-start=\"3692\" data-end=\"4048\"\u003eWith two independent ADSR sections housed in a slim 6HP module, it’s perfect for space-conscious modular rigs where both efficiency and style matter. Each ADSR has individual controls for Attack, Decay, Sustain, and Release, with dedicated gate inputs and envelope outputs. The gate inputs are normalized so a single gate signal can trigger both envelopes.\u003c\/p\u003e\n\u003cp data-start=\"4050\" data-end=\"4298\"\u003eAdditional features include a switchable time range (fast\/slow) and LED indicators for clear envelope output visualization. This Vintage Edition module combines the warmth and charm of classic analog synthesis with modern reliability and precision.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648253267,"sku":"A-140-2v","price":165.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/preview-1_5b7ccc9c-61e2-4617-ab24-0ff29a5f2866.jpg?v=1772280998"},{"product_id":"doepfer-a-140v-adsr-envelope-generator-vintage-edi","title":"Doepfer A-140V ADSR Envelope Generator Vintage Edition","description":"\n\u003cp data-start=\"3179\" data-end=\"3237\"\u003e\u003cstrong data-start=\"3179\" data-end=\"3237\"\u003eDoepfer A-140V ADSR Envelope Generator Vintage Edition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3239\" data-end=\"3504\"\u003eThe Doepfer A-140V is a classic ADSR envelope generator presented in a stylish Vintage Edition. Featuring a charming retro front panel and the warm analog sound Doepfer is known for, this module adds authentic character and vintage atmosphere to any modular system.\u003c\/p\u003e\n\u003cp data-start=\"3506\" data-end=\"3754\"\u003eThis single ADSR module provides full control over Attack, Decay, Sustain, and Release, with a gate input and corresponding envelope output. A clear LED indicator visually tracks the envelope’s progression, making adjustments intuitive and precise.\u003c\/p\u003e\n\u003cp data-start=\"3756\" data-end=\"3979\"\u003eThe Vintage Edition stands out with its nostalgic design while maintaining Doepfer’s trusted build quality and reliability. It’s a perfect choice for anyone seeking classic synth sounds combined with vintage style and feel.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648286035,"sku":"A-140V","price":94.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/a140-9f8f71af-2e5d-4c37-8c49-201b9ad48075.webp?v=1772280998"},{"product_id":"doepfer-a-141-2-vcadsr-vclfo","title":"Doepfer A-141-2 VCADSR \/ VCLFO","description":"\n\u003cp data-start=\"3308\" data-end=\"3342\"\u003e\u003cstrong data-start=\"3308\" data-end=\"3342\"\u003eDoepfer A-141-2 VCADSR \/ VCLFO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3344\" data-end=\"3618\"\u003eThe Doepfer A-141-2 is a versatile module that functions as both a voltage-controlled ADSR envelope generator (VCADSR) and a voltage-controlled low frequency oscillator (VCLFO). This dual functionality makes it a powerful tool for creative modulation in any Eurorack system.\u003c\/p\u003e\n\u003cp data-start=\"3620\" data-end=\"3926\"\u003eIn VCADSR mode, the Attack, Decay, Sustain, and Release parameters can be voltage-controlled, allowing for dynamic and expressive envelope shaping. In VCLFO mode, the module operates as a flexible LFO with adjustable waveforms and frequency, ideal for modulating filters, oscillators, and other parameters.\u003c\/p\u003e\n\u003cp data-start=\"3928\" data-end=\"4167\"\u003eA clear LED indicator visually tracks the envelope or LFO cycle, offering an intuitive user interface. Combining two essential modulation sources in a single module saves space and expands the modulation capabilities of your modular setup.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648318803,"sku":"A-141-2","price":173.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-141-2-vcadsr-vclfo-1-syn0004452-000.jpg?v=1772281004"},{"product_id":"doepfer-a-141-2v-vcadsr-vclfo-vintage-edition","title":"Doepfer A-141-2v VCADSR \/ VCLFO Vintage Edition","description":"\n\u003cp data-start=\"4028\" data-end=\"4079\"\u003e\u003cstrong data-start=\"4028\" data-end=\"4079\"\u003eDoepfer A-141-2v VCADSR \/ VCLFO Vintage Edition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"4081\" data-end=\"4410\"\u003eThe Doepfer A-141-2v Vintage Edition is a versatile and characterful module that combines two essential functions: a voltage-controlled ADSR envelope generator (VCADSR) and a voltage-controlled low frequency oscillator (VCLFO). It features warm, analog tones and classic vintage styling reminiscent of early modular synthesizers.\u003c\/p\u003e\n\u003cp data-start=\"4412\" data-end=\"4743\"\u003eIn VCADSR mode, the Attack, Decay, Sustain, and Release parameters can be voltage-controlled to create dynamic and expressive envelopes that breathe life into your modulations. The VCLFO mode offers a flexible, adjustable LFO with various waveforms and frequencies, perfect for modulating filter cutoff, oscillator pitch, and more.\u003c\/p\u003e\n\u003cp data-start=\"4745\" data-end=\"5022\"\u003eA clear LED indicator visually tracks the envelope or LFO cycle, making operation intuitive and straightforward. By combining two powerful functions in one module, you save valuable rack space while expanding your creative possibilities within a vintage-inspired modular setup.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648351571,"sku":"A-141-2V","price":183.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/module-doepfer-a-141-2-vintage-1jpgimage550x550.jpg?v=1772281007"},{"product_id":"doepfer-a-141-4-quad-vcadsr","title":"Doepfer A-141-4 Quad VCADSR","description":"\n\u003cp data-start=\"3384\" data-end=\"3415\"\u003e\u003cstrong data-start=\"3384\" data-end=\"3415\"\u003eDoepfer A-141-4 Quad VCADSR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3417\" data-end=\"3691\"\u003eThe Doepfer A-141-4 is a powerful module featuring four independent voltage-controlled ADSR envelope generators (VCADSR). Each envelope is fully adjustable and can be controlled individually via CV inputs, enabling complex and dynamic modulation within your Eurorack system.\u003c\/p\u003e\n\u003cp data-start=\"3693\" data-end=\"4034\"\u003eWith a clear layout and intuitive controls, this module is ideal for musicians and sound engineers who need multiple envelope signals simultaneously for filter cutoff, oscillator pitch, amplitude, and other parameters. The four envelopes make it possible to build polyphonic patches or intricate modulation setups without additional modules.\u003c\/p\u003e\n\u003cp data-start=\"4036\" data-end=\"4204\"\u003eThanks to its analog circuitry, the A-141-4 produces warm, responsive envelopes that seamlessly integrate into any modular setup, emphasizing flexibility and precision.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648384339,"sku":"A-141-4","price":162.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/c2caddext-89178.jpg?v=1772281009"},{"product_id":"doepfer-a-142-1-voltage-controlled-decay-gate","title":"Doepfer A-142-1 Voltage Controlled Decay\/Gate","description":"\n\u003cp data-start=\"3467\" data-end=\"3516\"\u003e\u003cstrong data-start=\"3467\" data-end=\"3516\"\u003eDoepfer A-142-1 Voltage Controlled Decay\/Gate\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3518\" data-end=\"3743\"\u003eThe Doepfer A-142-1 is a compact and versatile voltage-controlled decay\/gate generator module. It allows users to precisely control the decay time using an external CV source, adding expressive flexibility to modular patches.\u003c\/p\u003e\n\u003cp data-start=\"3745\" data-end=\"4013\"\u003eWith straightforward controls and a clear layout, you can adjust decay interval and gate length, while the CV input enables dynamic real-time modulation. This makes the A-142-1 perfect for driving VCAs, filters, or other modules responsive to gate or envelope signals.\u003c\/p\u003e\n\u003cp data-start=\"4015\" data-end=\"4238\"\u003eThanks to its analog design, the module delivers warm, responsive decay\/gate outputs that seamlessly integrate into any Eurorack system, offering a wide range of creative possibilities for both beginners and advanced users.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648417107,"sku":"A-142-1","price":84.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-1142-1-01.jpg?v=1772281013"},{"product_id":"doepfer-a-142-4-quad-decay","title":"Doepfer A-142-4 Quad Decay","description":"\n\u003cp data-start=\"3183\" data-end=\"3213\"\u003e\u003cstrong data-start=\"3183\" data-end=\"3213\"\u003eDoepfer A-142-4 Quad Decay\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3215\" data-end=\"3588\"\u003eThe Doepfer A-142-4 Quad Decay is a versatile Eurorack module featuring four independent decay envelopes. Each decay envelope is triggered by a gate or trigger signal and produces a control curve that falls from its peak back to zero over an adjustable decay time. This makes it a perfect tool for modulation tasks requiring a quick and simple amplitude or parameter decay.\u003c\/p\u003e\n\u003cp data-start=\"3590\" data-end=\"3902\"\u003eThanks to its compact design and four channels in one module, the A-142-4 allows users to perform multiple simultaneous modulations without taking up extra rack space. It’s ideal for driving VCAs, filters, or other modules accepting envelope inputs, adding flexibility and efficiency to your modular synth setup.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648482643,"sku":"A-142-4","price":105.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/a142-4.webp?v=1772281021"},{"product_id":"doepfer-a-143-1-quad-ad-generator","title":"Doepfer A-143-1 Quad AD-Generator","description":"\n\u003cp data-start=\"2954\" data-end=\"2991\"\u003e\u003cstrong data-start=\"2954\" data-end=\"2991\"\u003eDoepfer A-143-1 Quad AD-Generator\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2993\" data-end=\"3326\"\u003eThe Doepfer A-143-1 Quad AD-Generator is a versatile Eurorack module providing four independent attack-decay envelopes. Each envelope is triggered by a gate or trigger signal and produces a control voltage that rises quickly during the attack phase and then falls during the decay phase, both times adjustable via dedicated controls.\u003c\/p\u003e\n\u003cp data-start=\"3328\" data-end=\"3599\"\u003eThis module is ideal for controlling filters, VCAs, or other modules requiring quick and precise modulation. Its compact design, packing four channels into one module, allows users to create multiple modulation paths simultaneously without occupying excessive rack space.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648679251,"sku":"A-143-1","price":239.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-143-1-quad-ad-generator-1-syn0003149-000.jpg?v=1772281026"},{"product_id":"doepfer-a-143-2-quad-adsr","title":"Doepfer A-143-2 Quad ADSR","description":"\n\u003cp data-start=\"2961\" data-end=\"2990\"\u003e\u003cstrong data-start=\"2961\" data-end=\"2990\"\u003eDoepfer A-143-2 Quad ADSR\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2992\" data-end=\"3267\"\u003eThe Doepfer A-143-2 Quad ADSR is a powerful and compact Eurorack module offering four independent ADSR envelope generators. Each ADSR features Attack, Decay, Sustain, and Release stages, adjustable via dedicated controls, giving you detailed control over modulation dynamics.\u003c\/p\u003e\n\u003cp data-start=\"3269\" data-end=\"3595\"\u003eThe envelopes are triggered by gate or trigger signals and are ideal for modulating filters, VCAs, oscillators, and other modules with precise timing and expressive control. Its compact design with four channels in one module provides an efficient solution for more complex patch setups without occupying excessive rack space.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648712019,"sku":"A-143-2","price":239.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-143-2-quad-adsr-generator-1-syn0003150-0.jpg?v=1772281030"},{"product_id":"doepfer-a-143-3-quad-lfo","title":"Doepfer A-143-3 Quad LFO","description":"\n\u003cp data-start=\"2728\" data-end=\"2756\"\u003e\u003cstrong data-start=\"2728\" data-end=\"2756\"\u003eDoepfer A-143-3 Quad LFO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2758\" data-end=\"3072\"\u003eThe Doepfer A-143-3 Quad LFO is a versatile Eurorack module featuring four independent low frequency oscillators (LFOs). Each LFO offers a continuously variable frequency range and multiple waveforms such as triangle, sawtooth, and square wave, ideal for modulating filters, oscillators, and other modular modules.\u003c\/p\u003e\n\u003cp data-start=\"3074\" data-end=\"3328\"\u003eWith four separate LFO channels, you can create complex modulation patterns and simultaneously control multiple parameters. This makes the A-143-3 perfect for musicians and sound designers looking to add depth and movement to their modular synth patches.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125648744787,"sku":"A-143-3","price":164.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-143-3-01-1.jpg?v=1772281032"},{"product_id":"doepfer-a-143-4-quad-vclfo-vco","title":"Doepfer A-143-4 Quad VCLFO\/VCO","description":"\n\u003cp data-start=\"3059\" data-end=\"3093\"\u003e\u003cstrong data-start=\"3059\" data-end=\"3093\"\u003eDoepfer A-143-4 Quad VCLFO\/VCO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3095\" data-end=\"3448\"\u003eThe Doepfer A-143-4 is a powerful and versatile Eurorack module combining four independent voltage-controlled oscillators that can operate as both low frequency oscillators (LFOs) and audio frequency oscillators (VCOs). Each channel is continuously tunable, making it suitable for a wide range of applications from subtle modulation to pitch generation.\u003c\/p\u003e\n\u003cp data-start=\"3450\" data-end=\"3722\"\u003eWith a variety of waveforms and voltage control options, the A-143-4 offers extensive possibilities for creating complex modulation patterns and sound design. This makes it an essential tool for anyone seeking deep control and flexibility within their modular synth setup.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125649596755,"sku":"A-143-4","price":304.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-143-4-01.jpg?v=1772281036"},{"product_id":"doepfer-a-143-9-vc-quadrature-lfo-vco","title":"Doepfer A-143-9 VC Quadrature LFO\/VCO","description":"\n\u003cp data-start=\"3013\" data-end=\"3054\"\u003e\u003cstrong data-start=\"3013\" data-end=\"3054\"\u003eDoepfer A-143-9 VC Quadrature LFO\/VCO\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3056\" data-end=\"3322\"\u003eThe Doepfer A-143-9 is a versatile voltage-controlled oscillator module generating four outputs, each shifted by 90 degrees in phase (quadrature). This makes it perfect for creating complex modulations, phase effects, and stereo panning within a modular synth setup.\u003c\/p\u003e\n\u003cp data-start=\"3324\" data-end=\"3631\"\u003eIt can function both as a low-frequency oscillator (LFO) for modulation purposes and as an audio-frequency oscillator (VCO) for sound generation. With precise voltage control and stable frequency response, the A-143-9 offers broad possibilities for experimental sound design and dynamic synthesizer patches.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125649629523,"sku":"A-143-9","price":94.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-143-9-lfo-vco-1-syn0003152-000.jpg?v=1772281038"},{"product_id":"doepfer-a-145-low-frequency-oscillator-lfo","title":"Doepfer A-145 Low Frequency Oscillator LFO","description":"\n\u003cp data-start=\"2690\" data-end=\"2738\"\u003e\u003cstrong data-start=\"2690\" data-end=\"2738\"\u003eDoepfer A-145 Low Frequency Oscillator (LFO)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2740\" data-end=\"2980\"\u003eThe Doepfer A-145 is a voltage-controlled low frequency oscillator (LFO) producing various waveforms including triangle, sawtooth, and square signals. These waveforms are perfect for modulating other modules such as filters, VCOs, and VCAs.\u003c\/p\u003e\n\u003cp data-start=\"2982\" data-end=\"3170\"\u003eThanks to its stable and precise frequency control, the A-145 is ideal for creating rhythmic modulations, tremolo, vibrato, and other dynamic sound movements in modular synthesizer setups.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125649662291,"sku":"A-145","price":75.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-145-110139-1.webp?v=1772281042"},{"product_id":"doepfer-a-145-2-lfo-slim-line-series","title":"Doepfer A-145-2 LFO (Slim Line Series)","description":"\n\u003cp data-start=\"2875\" data-end=\"2917\"\u003e\u003cstrong data-start=\"2875\" data-end=\"2917\"\u003eDoepfer A-145-2 LFO (Slim Line Series)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2919\" data-end=\"3249\"\u003eThe Doepfer A-145-2 is a compact low-frequency oscillator (LFO) from the Slim Line Series, designed to provide rich modulation capabilities in a small form factor. It offers five simultaneous waveform outputs—sawtooth, inverted sawtooth, triangle, sine, and square—making it versatile for modulating VCOs, filters, VCAs, and more.\u003c\/p\u003e\n\u003cp data-start=\"3251\" data-end=\"3528\"\u003eIt features manual frequency control, a reset input for synchronization with external sources, and an LED that visually indicates the oscillation rate. With a width of just 4HP, the A-145-2 is perfect for Eurorack users looking to save space while maintaining modulation power.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650121043,"sku":"A-145-2","price":103.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-145-2-slim-line-lfo-n13-09359-01.jpg?v=1772281050"},{"product_id":"doepfer-a-145-4-quad-lfo-slim-line-series","title":"Doepfer A-145-4 Quad LFO (Slim Line Series)","description":"\n\u003cp data-start=\"2850\" data-end=\"2897\"\u003e\u003cstrong data-start=\"2850\" data-end=\"2897\"\u003eDoepfer A-145-4 Quad LFO (Slim Line Series)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2899\" data-end=\"3201\"\u003eThe Doepfer A-145-4 is a space-saving Quad Low Frequency Oscillator (LFO) module that features four independent sine wave LFOs in a compact 4HP format. Each LFO has its own output and operates in a frequency range of approximately 0.1 Hz to 10 Hz, depending on the power supply and ambient temperature.\u003c\/p\u003e\n\u003cp data-start=\"3203\" data-end=\"3402\"\u003eThe A-145-4 is a straightforward but powerful modulation source, perfect for simultaneously modulating several parameters such as filter cutoff, oscillator pitch, or amplitude in your modular system.\u003c\/p\u003e\n\u003cp data-start=\"3404\" data-end=\"3564\"\u003eThanks to its narrow width, the A-145-4 is an excellent addition to compact Eurorack setups where space is at a premium but modulation flexibility is essential.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650383187,"sku":"A-145-4","price":89.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/pyvm173jp3tvld3rubwc.webp?v=1772281054"},{"product_id":"doepfer-a-145-4v-quad-lfo-slim-line-series-vintage","title":"Doepfer A-145-4v Quad LFO (Slim Line Series) Vintage Edition","description":"\n\u003cp data-start=\"2907\" data-end=\"2971\"\u003e\u003cstrong data-start=\"2907\" data-end=\"2971\"\u003eDoepfer A-145-4v Quad LFO Vintage Edition (Slim Line Series)\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2973\" data-end=\"3177\"\u003eThe Doepfer A-145-4v is the Vintage Edition of the A-145-4 Quad LFO, combining a stylish retro black panel with the powerful functionality of four independent sine wave LFOs—all within a narrow 4HP width.\u003c\/p\u003e\n\u003cp data-start=\"3179\" data-end=\"3432\"\u003eEach LFO operates independently with its own output and provides a clean sine waveform, ideal for subtle or rhythmic modulation of parameters such as filter cutoff, oscillator pitch, or amplitude. The frequency range spans approximately 0.1 Hz to 10 Hz.\u003c\/p\u003e\n\u003cp data-start=\"3434\" data-end=\"3569\"\u003eDesigned for compact Eurorack systems, the A-145-4v is perfect for those who appreciate aesthetics without compromising on performance.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650645331,"sku":"A-145-4V","price":87.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/670x1000-product-media-4001-5000-1001960-1-j.webp?v=1772281055"},{"product_id":"doepfer-a-146-low-frequency-oscillator-2","title":"Doepfer A-146 Low Frequency Oscillator 2","description":"\n\u003cp data-start=\"2817\" data-end=\"2861\"\u003e\u003cstrong data-start=\"2817\" data-end=\"2861\"\u003eDoepfer A-146 Low Frequency Oscillator 2\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2863\" data-end=\"3118\"\u003eThe Doepfer A-146 is a versatile low frequency oscillator designed for maximum flexibility in modulation tasks. Its waveform can be continuously adjusted from rising sawtooth to triangle to falling sawtooth, allowing for a wide range of modulation shapes.\u003c\/p\u003e\n\u003cp data-start=\"3120\" data-end=\"3340\"\u003eIt offers a broad frequency range, making it suitable for everything from ultra-slow sweeps to faster rhythmic modulation. The module includes a frequency knob and a switch to toggle between \"Low\" and \"High\" range modes.\u003c\/p\u003e\n\u003cp data-start=\"3342\" data-end=\"3477\"\u003ePerfect for modulating filters, VCAs, oscillator pitch, and more, the A-146 is a reliable and intuitive choice for any Eurorack system.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650678099,"sku":"A-146","price":70.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-146-low-frequency-oscillator-2-lfo-2-fro.jpg?v=1772281061"},{"product_id":"doepfer-a-147-2-vcdlfo-replaces-a-147","title":"Doepfer A-147-2 VCDLFO (replaces A-147)","description":"\n\u003cp data-start=\"2936\" data-end=\"2998\"\u003e\u003cstrong data-start=\"2936\" data-end=\"2998\"\u003eDoepfer A-147-2 VCDLFO – Voltage-Controlled LFO with Delay\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3000\" data-end=\"3264\"\u003eThe Doepfer A-147-2 is a feature-rich voltage-controlled LFO module ideal for more nuanced and dynamic modulation duties in your Eurorack setup. The LFO rate is both manually adjustable and CV-controllable, allowing for evolving or tempo-synced modulation effects.\u003c\/p\u003e\n\u003cp data-start=\"3266\" data-end=\"3538\"\u003eIt features four waveform outputs: sawtooth, triangle, square, and sine. One of the standout features is the gate-delay input, which allows the LFO to gradually fade in after receiving a gate signal – perfect for effects like vibrato that only kick in after a short delay.\u003c\/p\u003e\n\u003cp data-start=\"3540\" data-end=\"3679\"\u003eWhether you're modulating filter cutoff, oscillator pitch, or amplitude, the A-147-2 provides exceptional versatility with a musical touch.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650743635,"sku":"A-147-2","price":145.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/465x700-product-media-4001-5000-1000957-1-j.webp?v=1772281065"},{"product_id":"doepfer-a-147-2v-vcdlfo-special-edition-red-black","title":"Doepfer A-147-2V VCDLFO Special Edition red-black","description":"\n\u003cp data-start=\"2865\" data-end=\"2957\"\u003e\u003cstrong data-start=\"2865\" data-end=\"2957\"\u003eDoepfer A-147-2V VCDLFO Special Edition – Voltage-Controlled LFO with Delay in Red-Black\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2959\" data-end=\"3194\"\u003eThe A-147-2V is the red-black special edition of Doepfer’s versatile voltage-controlled LFO module. With a sleek color scheme that stands out in any rack, this module brings visual identity along with powerful modulation functionality.\u003c\/p\u003e\n\u003cp data-start=\"3196\" data-end=\"3449\"\u003eIt features four simultaneous waveform outputs (sawtooth, triangle, square, sine), voltage-controlled frequency, and a gate input with delay to allow slow fade-ins of modulation—perfect for expressive patches such as delayed vibrato or swelling filters.\u003c\/p\u003e\n\u003cp data-start=\"3451\" data-end=\"3556\"\u003eA strong addition for musicians who want high performance and standout aesthetics in their modular setup.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650776403,"sku":"A-147-2SE","price":154.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-147-2se-vcdlfo-special-edition-1-syn0005.jpg?v=1772281070"},{"product_id":"doepfer-a-147-2v-vcdlfo-vintage-edition","title":"Doepfer A-147-2V VCDLFO Vintage Edition","description":"\n\u003cp data-start=\"2919\" data-end=\"2999\"\u003e\u003cstrong data-start=\"2919\" data-end=\"2999\"\u003eDoepfer A-147-2V VCDLFO Vintage Edition – CV-Controlled LFO with Retro Charm\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3001\" data-end=\"3232\"\u003eThe A-147-2V Vintage Edition by Doepfer takes their popular voltage-controlled LFO and dresses it in a nostalgic black-and-cream panel. Designed for modular synth users who love vintage aesthetics without sacrificing functionality.\u003c\/p\u003e\n\u003cp data-start=\"3234\" data-end=\"3514\"\u003eIt provides four simultaneous waveforms (sawtooth, triangle, square, sine), CV input for frequency control, and a gate-controlled delay circuit – allowing your modulation to fade in over time. Perfect for slow-moving vibratos, evolving filter sweeps, or synced modulation effects.\u003c\/p\u003e\n\u003cp data-start=\"3516\" data-end=\"3611\"\u003eIdeal for those seeking both expressive modulation and a classic visual identity in their rack.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650809171,"sku":"A-147-2V","price":154.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/668x1000-product-media-4001-5000-1001234-1-j.webp?v=1772281077"},{"product_id":"doepfer-a-147-4-dual-vclfo","title":"Doepfer A-147-4 Dual VCLFO","description":"\n\u003cp data-start=\"2801\" data-end=\"2869\"\u003e\u003cstrong data-start=\"2801\" data-end=\"2869\"\u003eDoepfer A-147-4 Dual VCLFO – Twin LFO Precision and Sync Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2871\" data-end=\"3140\"\u003eThe Doepfer A-147-4 offers dual, fully voltage-controlled low-frequency oscillators packed into one compact Eurorack module. Each LFO includes CV inputs for frequency, manual frequency knobs, and outputs for three simultaneous waveforms: sawtooth, triangle, and square.\u003c\/p\u003e\n\u003cp data-start=\"3142\" data-end=\"3327\"\u003eWith dedicated reset\/sync inputs per LFO, the A-147-4 allows for tight timing with external clocks or triggers – enabling precise rhythmic modulation and stereo or layered LFO action.\u003c\/p\u003e\n\u003cp data-start=\"3329\" data-end=\"3464\"\u003eIdeal for patchers who want deep control over modulation timing and behavior, the A-147-4 brings precision and versatility to any rack.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650841939,"sku":"A-147-4","price":220.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/a-147-4-frontal.jpg?v=1772281084"},{"product_id":"doepfer-a-147-4v-dual-vclfo-vintage-edition","title":"Doepfer A-147-4v Dual VCLFO Vintage Edition","description":"\n\u003cp data-start=\"2730\" data-end=\"2821\"\u003e\u003cstrong data-start=\"2730\" data-end=\"2821\"\u003eDoepfer A-147-4v Dual VCLFO Vintage Edition – Retro Aesthetics, Full Modulation Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2823\" data-end=\"3081\"\u003eThe A-147-4v is the vintage-themed version of Doepfer’s powerful dual voltage-controlled LFO module. It includes two independent LFOs, each with CV control over frequency, manual tuning knobs, and simultaneous outputs for triangle, square, and saw waveforms.\u003c\/p\u003e\n\u003cp data-start=\"3083\" data-end=\"3363\"\u003eEach LFO features its own sync\/reset input for tight timing control with external clocks. The iconic vintage faceplate and black knobs give it a timeless look while delivering serious modulation flexibility. A great fit for both style-conscious and function-driven Eurorack users.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650874707,"sku":"A-147-4V","price":229.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/1400x1400-product-media-7001-8000-soundofyou-3-p.webp?v=1772281085"},{"product_id":"doepfer-a-147-5-quad-vclfo","title":"Doepfer A-147-5 Quad VCLFO","description":"\n\u003cp data-start=\"2614\" data-end=\"2683\"\u003e\u003cstrong data-start=\"2614\" data-end=\"2683\"\u003eDoepfer A-147-5 Quad VCLFO – Four Channels of Flexible Modulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2685\" data-end=\"2937\"\u003eThe Doepfer A-147-5 delivers four fully independent, voltage-controllable LFOs in a single Eurorack module. Each LFO features both manual frequency adjustment and CV input, with outputs for common waveform shapes such as triangle, square, and sawtooth.\u003c\/p\u003e\n\u003cp data-start=\"2939\" data-end=\"3210\"\u003eWhether you’re animating filters, modulating amplitude, or driving rhythmic patch structures, the A-147-5 gives you precise and flexible control. A fantastic utility module for both beginners and advanced modular enthusiasts looking to add modulation power to their rack.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650907475,"sku":"A-147-5","price":112.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/18995943-800.jpg?v=1772281103"},{"product_id":"doepfer-a-147-5v-quad-vclfo-vintage-edition","title":"Doepfer A-147-5v Quad VCLFO Vintage Edition","description":"\n\u003cp data-start=\"2844\" data-end=\"2926\"\u003e\u003cstrong data-start=\"2844\" data-end=\"2926\"\u003eDoepfer A-147-5V Vintage Edition – Four Channels of Classic Modular Modulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2928\" data-end=\"3168\"\u003eThe Doepfer A-147-5V Vintage Edition combines contemporary modulation versatility with a charming vintage aesthetic. 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Ideal for modular enthusiasts who want to merge classic visual appeal with modern functionality for expressive sound design.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650940243,"sku":"A-147-5v","price":115.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/1002257-1.jpg?v=1772281103"},{"product_id":"doepfer-a-148-dual-sample-hold-track-hold","title":"Doepfer A-148 Dual Sample\u0026Hold\/Track\u0026Hold","description":"\n\u003cp data-start=\"2631\" data-end=\"2708\"\u003e\u003cstrong data-start=\"2631\" data-end=\"2708\"\u003eDoepfer A-148 – Dual Sample \u0026amp; Hold \/ Track \u0026amp; Hold for Flexible Modulation\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"2710\" data-end=\"3118\"\u003eThe A-148 from Doepfer is a compact yet powerful dual Sample \u0026amp; Hold \/ Track \u0026amp; Hold module, giving you two independent channels to generate stepped voltages or frozen control signals. Use it with noise sources, LFOs, or clocks to add randomness, pitch steps, or rhythmic modulation to your patches. A staple utility module for experimental and generative setups, and essential for evolving modulation schemes.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125650973011,"sku":"A-148","price":66.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a148-dual-sample-and-hold-700x.webp?v=1772281109"},{"product_id":"doepfer-a-148v-dual-s-h-vintage-edition","title":"Doepfer A-148V Dual S\u0026H Vintage Edition","description":"\n\u003cp data-start=\"2932\" data-end=\"3005\"\u003e\u003cstrong data-start=\"2932\" data-end=\"3005\"\u003eDoepfer A-148V – Dual Sample \u0026amp; Hold \/ Track \u0026amp; Hold in Vintage Styling\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3007\" data-end=\"3516\"\u003eThe Doepfer A-148V is a refined version of the classic dual S\u0026amp;H \/ T\u0026amp;H module, now presented in Doepfer’s elegant Vintage black edition. Each section functions independently, offering its own control voltage input, trigger input, and output. This module excels at generating stepped voltages, freezing incoming modulation sources, or creating random CV patterns when paired with noise or clock signals. A powerful and essential utility for modulation-rich patches, with timeless looks to match its versatility.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125651038547,"sku":"A-148V","price":75.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/467x700-product-media-4001-5000-1001235-1-j.webp?v=1772281111"},{"product_id":"doepfer-a-170-dual-slew-limiter","title":"Doepfer A-170 Dual Slew Limiter","description":"\n\u003cp data-start=\"3191\" data-end=\"3226\"\u003e\u003cstrong data-start=\"3191\" data-end=\"3226\"\u003eDoepfer A-170 Dual Slew Limiter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3228\" data-end=\"3514\"\u003eThe Doepfer A-170 offers \u003cstrong data-start=\"3253\" data-end=\"3294\"\u003etwo independent slew limiter circuits\u003c\/strong\u003e designed to add glide to control voltages, making transitions between voltage levels smoother and more organic. This is ideal for \u003cstrong data-start=\"3425\" data-end=\"3453\"\u003eportamento between notes\u003c\/strong\u003e, softening modulation shapes, or shaping envelope responses.\u003c\/p\u003e\n\u003cp data-start=\"3516\" data-end=\"3937\"\u003eThe first section is a basic slew limiter with a single control for glide time, affecting both rise and fall equally. The second section provides separate knobs for \u003cstrong data-start=\"3681\" data-end=\"3703\"\u003erise and fall time\u003c\/strong\u003e, allowing more nuanced control over the voltage transitions. Whether you're looking to smooth out a harsh modulation signal or emulate vintage mono-synth legato behavior, the A-170 is a highly practical and affordable utility module.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125653135699,"sku":"A-170","price":70.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/c2caddext-76628.jpg?v=1772281235"},{"product_id":"doepfer-a-171-2-voltage-controlled-slew-limiter-ii","title":"Doepfer A-171-2 Voltage Controlled Slew Limiter II","description":"\n\u003cp data-start=\"3104\" data-end=\"3158\"\u003e\u003cstrong data-start=\"3104\" data-end=\"3158\"\u003eDoepfer A-171-2 Voltage Controlled Slew Limiter II\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3160\" data-end=\"3514\"\u003eThe \u003cstrong data-start=\"3164\" data-end=\"3183\"\u003eDoepfer A-171-2\u003c\/strong\u003e is a \u003cstrong data-start=\"3189\" data-end=\"3224\"\u003evoltage-controlled slew limiter\u003c\/strong\u003e inspired by classic Serge modular circuits, offering a highly flexible tool for shaping and processing control voltages. It can serve as a \u003cstrong data-start=\"3364\" data-end=\"3380\"\u003eslew limiter\u003c\/strong\u003e, \u003cstrong data-start=\"3382\" data-end=\"3404\"\u003eenvelope generator\u003c\/strong\u003e, \u003cstrong data-start=\"3406\" data-end=\"3431\"\u003eportamento controller\u003c\/strong\u003e, or even a \u003cstrong data-start=\"3443\" data-end=\"3472\"\u003esimple function generator\u003c\/strong\u003e or \u003cstrong data-start=\"3476\" data-end=\"3483\"\u003eLFO\u003c\/strong\u003e depending on how it’s patched.\u003c\/p\u003e\n\u003cp data-start=\"3516\" data-end=\"3942\"\u003eYou get manual and CV control over \u003cstrong data-start=\"3551\" data-end=\"3574\"\u003erise and fall times\u003c\/strong\u003e, allowing dynamic control from other modulation sources. A built-in \u003cstrong data-start=\"3643\" data-end=\"3658\"\u003egate output\u003c\/strong\u003e triggers when the output passes a threshold, expanding its use in timing-sensitive patches. Whether you're smoothing CV signals, generating exponential glides, or building complex modulation chains, the A-171-2 is a feature-rich and affordable utility module for any Eurorack system.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125653168467,"sku":"A-171-2","price":131.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-171-2-vc-slew-limiter-ii-1-syn0004330-00.jpg?v=1772281240"},{"product_id":"doepfer-a-171-2-voltage-controlled-slew-158795697","title":"Doepfer A-171-2 Voltage Controlled Slew Limiter II Vintage Edition","description":"\n\u003cp data-start=\"3210\" data-end=\"3281\"\u003e\u003cstrong data-start=\"3210\" data-end=\"3281\"\u003eDoepfer A-171-2V Voltage Controlled Slew Limiter II Vintage Edition\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3283\" data-end=\"3618\"\u003eThe \u003cstrong data-start=\"3287\" data-end=\"3322\"\u003eDoepfer A-171-2 Vintage Edition\u003c\/strong\u003e takes the Serge-inspired \u003cstrong data-start=\"3348\" data-end=\"3383\"\u003evoltage-controlled slew limiter\u003c\/strong\u003e and dresses it in a beautiful \u003cstrong data-start=\"3414\" data-end=\"3441\"\u003eretro-style black panel\u003c\/strong\u003e with white print. This module offers \u003cstrong data-start=\"3479\" data-end=\"3504\"\u003eCV and manual control\u003c\/strong\u003e over rise and fall times, making it ideal for \u003cstrong data-start=\"3551\" data-end=\"3565\"\u003eportamento\u003c\/strong\u003e, \u003cstrong data-start=\"3567\" data-end=\"3587\"\u003eenvelope shaping\u003c\/strong\u003e, and complex \u003cstrong data-start=\"3601\" data-end=\"3617\"\u003eCV smoothing\u003c\/strong\u003e.\u003c\/p\u003e\n\u003cp data-start=\"3620\" data-end=\"3915\"\u003eIt also includes a \u003cstrong data-start=\"3639\" data-end=\"3654\"\u003egate output\u003c\/strong\u003e that triggers when the output crosses a voltage threshold, giving you even more patching opportunities. Perfect for modular users seeking both \u003cstrong data-start=\"3798\" data-end=\"3832\"\u003eutility and vintage aesthetics\u003c\/strong\u003e, the A-171-2V stands out as a functional and stylistic gem in any Eurorack system.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125653201235,"sku":"A-171-2V","price":145.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfera1712vvcslewlimiteriisergevcsversion-grande.webp?v=1772281244"},{"product_id":"doepfer-a-171-4-quad-vc-slew-limited","title":"Doepfer A-171-4 Quad VC Slew Limited","description":"\n\u003cp data-start=\"3108\" data-end=\"3150\"\u003e\u003cstrong data-start=\"3108\" data-end=\"3150\"\u003eDoepfer A-171-4 – Quad VC Slew Limiter\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp data-start=\"3152\" data-end=\"3331\"\u003eThe \u003cstrong data-start=\"3156\" data-end=\"3175\"\u003eDoepfer A-171-4\u003c\/strong\u003e is a versatile quad VC‑slew limiter offering four independent channels for smoothing and shaping CV transitions in Eurorack systems. Each channel features:\u003c\/p\u003e\n\u003cul data-start=\"3333\" data-end=\"3495\"\u003e\n\u003cli data-start=\"3333\" data-end=\"3366\"\u003e\n\u003cp data-start=\"3335\" data-end=\"3366\"\u003eManual \u003cstrong data-start=\"3342\" data-end=\"3364\"\u003eRise\/Fall controls\u003c\/strong\u003e\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3367\" data-end=\"3432\"\u003e\n\u003cp data-start=\"3369\" data-end=\"3432\"\u003e\u003cstrong data-start=\"3369\" data-end=\"3382\"\u003eCV inputs\u003c\/strong\u003e for external modulation (LFOs, envelopes, etc.)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli data-start=\"3433\" data-end=\"3495\"\u003e\n\u003cp data-start=\"3435\" data-end=\"3495\"\u003e\u003cstrong data-start=\"3435\" data-end=\"3450\"\u003eGate output\u003c\/strong\u003e that fires when the output crosses threshold\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp data-start=\"3497\" data-end=\"3746\"\u003eThis allows simultaneous portamento across multiple VCOs, smooth envelope-like contours, and layered modulation patterns—all in real time. Ideal for performers and sound designers who want multidimensional, organic movement in their modular patches.\u003c\/p\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53125653234003,"sku":"A-171-4","price":112.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/doepfer-a-171-4-quad-vc-slew-limiter-1-syn0008687.jpg?v=1772281248"},{"product_id":"doepfer-a-140-3-micro-adsr","title":"Doepfer A-140-3 Micro ADSR","description":"\u003cp\u003e\u003cstrong\u003eModule A-140-3\u003c\/strong\u003e is the single version of module A-140-2 - just a single ADSR type envelope generator behind a front panel with 4 HP only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eThe following controls and inputs\/outputs are available:\u003c\/strong\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eLED (displays the envelope output)\u003c\/li\u003e\n\u003cli\u003eA: manual Attack control\u003c\/li\u003e\n\u003cli\u003eD: manual Decay control\u003c\/li\u003e\n\u003cli\u003eS: manual Sustain control\u003c\/li\u003e\n\u003cli\u003eR: manual Release control\u003c\/li\u003e\n\u003cli\u003eGate Input\u003c\/li\u003e\n\u003cli\u003eRetrigger Input\u003c\/li\u003e\n\u003cli\u003eCVT Input with attenuator (CVT = CV Time)\u003c\/li\u003e\n\u003cli\u003e2 Envelope Outputs\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eThe output voltage of the envelopes \u003cstrong\u003eis 0 - 10V.\u003c\/strong\u003e\u003cbr\u003eThe attack\/decay\/release times are approximately between\u003cstrong\u003e 1ms and 30s.\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003e \u003c\/p\u003e\n\u003cdiv class=\"uk-panel uk-margin\"\u003e\n\u003cp\u003e\u003cstrong\u003ePower consumption:\u003c\/strong\u003e +30mA at +12V and 20mA at -12V\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDepth:\u003c\/strong\u003e 40mm\u003c\/p\u003e\n\u003c\/div\u003e\n\u003chr\u003e\n\u003cdiv class=\"uk-panel uk-margin\"\u003e\u003cstrong\u003e4 HP\u003c\/strong\u003e\u003c\/div\u003e","brand":"Doepfer","offers":[{"title":"Default Title","offer_id":53623830577491,"sku":null,"price":109.0,"currency_code":"EUR","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/1043\/4052\/1299\/files\/1002426-1.jpg?v=1777626699"}],"url":"https:\/\/www.voltmusicstore.com\/collections\/doepfer-modulation.oembed","provider":"Volt Music Store","version":"1.0","type":"link"}