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Eurorack + Modular Synths

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  1. After Later Audio Resonate Resonator
    After Later Audio Resonate Resonator 14hp
    $199.00

    In Stock Available immediately!
  2. After Later Audio Razor Dual Multimode Filter
    After Later Audio Razor Dual Multimode Filter 18hp
    $359.00

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  3. Dual State Variable VCF Filter
    ACL Dual State Variable VCF Filter 26hp
    $665.00

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  4. A-143-2 Quad ADSR Envelope Generator
    Doepfer A-143-2 Quad ADSR Envelope Generator 26hp
    $255.00

    In Stock Available immediately!
  5. A-105-4 Quad Poly SSI VCF Filter
    Doepfer A-105-4 Quad Poly SSI VCF Filter 8hp
    $245.00

    In Stock Available immediately!
  6. A-106-1 X-Treme Filter
    Doepfer A-106-1 X-Treme Filter 14hp
    $149.00

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  7. After Later Audio Currents Tidal Modulator
    After Later Audio Currents Tidal Modulator 14hp
    $219.00

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  8. A-143-1 Quad Complex Envelope Generator
    Doepfer A-143-1 Quad Complex Envelope Generator 28hp
    $214.00

    In Stock Available immediately!
  9. A-124 VCF5 Wasp Filter
    Doepfer A-124 VCF5 Wasp Filter 8hp
    $105.00

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  10. After Later Audio Rainier
    After Later Audio Rainier Dual Modulation + Drum Source 8hp
    $199.00

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  11. Doepfer A-141-4 Quad Poly VCADSR
    Doepfer A-141-4 Quad Poly VCADSR Envelope Generator 8hp
    $196.00

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  12. Doepfer A-140-2 Dual Mini ADSR
    Doepfer A-140-2 Dual Mini ADSR Envelope Generator 8hp
    As low as $172.00
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  13. After Later Baker Dual Modulation + Drum Source
    After Later Audio Baker Dual Modulation + Drum Source 6hp
    $175.00

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  14. Doepfer A-120 VCF1 24dB Low Pass Filter
    Doepfer A-120 VCF1 24dB Low Pass Filter 8hp
    As low as $130.00
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  15. After Later Audio Scenes Segment Generator
    After Later Audio Scenes Segment Generator 14hp
    $279.00

    In Stock Available immediately!
  16. A-128 Fixed Filter Bank
    Doepfer A-128 Fixed Filter Bank 20hp
    $230.00

    In Stock Available immediately!
  17. A-106-5 -12dB SEM VCF Filter
    Doepfer A-106-5 -12dB SEM VCF Filter 8hp
    $115.00

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  18. After Later Audio QARV Quad Attack Release VCA
    After Later Audio QARV Quad Attack Release VCA + Envelope Generator 20hp
    $224.00

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  19. After Later Audio Popple Dual Filter
    After Later Audio Popple Dual Filter 8hp
    $199.00

    In Stock Available immediately!
  20. After Later Audio Waves Liquid Filter
    After Later Audio Waves Liquid Filter 8hp
    $199.00

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  21. A-108 is a voltage-controlled low-pass filter inspired by the classic Moog ladder filter.
    Doepfer A-108 48dB Filter 12hp
    $196.00

    In Stock Available immediately!
  22. Doepfer A-171-2
    Doepfer A-171-2 Voltage Controlled Slew Processor / Generator 8hp
    As low as $153.00
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  23. Doepfer A-141-2
    Doepfer A-141-2 Voltage Controlled Envelope Generator 14hp
    As low as $169.00
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  24. Doepfer A-142-2 Dual Envelope-Controlled VCA
    Doepfer A-142-2 Dual Envelope Controlled VCA 8hp
    $159.99

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  25. Doepfer A-121-2 12dB Multimode Filter
    Doepfer A-121-2 12dB Multimode Filter 8hp
    As low as $138.00
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  26. Doepfer A-105-2V 24dB SSI Low Pass Filter
    Doepfer A-105-2 24dB SSI Low Pass Filter 4hp
    As low as $139.99
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  27. After Later Audio Tilt Function Generator
    After Later Audio Tilt Function Generator 6hp
    $139.00

    In Stock Available immediately!
  28. A-124SE VCF5 Wasp Filter (Special Edition)
    Doepfer A-124SE VCF5 Wasp Filter (Special Edition) 8hp
    $105.00

    In Stock Available immediately!
  29. After Later Audio FILThy Multi-Mode Filter
    After Later Audio FILThy Multi-Mode Filter 6hp
    $99.00

    In Stock Available immediately!
  30. Doepfer A-140 ADSR Envelope Generator
    Doepfer A-140 ADSR Envelope Generator 8hp
    As low as $95.00
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  31. After Later Audio ENVy VCADSR
    After Later Audio ENVy VCADSR Envelope Generator + VCA 6hp
    $99.00

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  32. A-142-1 Voltage Controlled Decay / Gate
    Doepfer A-142-1 Voltage Controlled Decay / Gate 8hp
    $99.00

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  33. Doepfer A-121s Stereo Multimode Filter
    Doepfer A-121s Stereo Multimode Filter 12hp
    As low as $260.00
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  34. Electrosmith 2144 LPF Low Pass Filter
    Electrosmith 2144 LPF Low Pass Filter 4hp
    $119.00

    In Stock Available immediately!
  35. A-106-5SE 12dB SEM VCF Filter (Special Edition)
    Doepfer A-106-5SE 12dB SEM VCF Filter (Special Edition) 8hp
    $116.00

    In Stock Available immediately!
  36. After Later Audio uTides 2 Tidal Modulator
    After Later Audio uTides 2 Tidal Modulator 8hp
    $198.00

    In Stock Available immediately!
  37. A-101-6 Opto FET Filter / Phaser
    Doepfer A-101-6 Opto FET Filter / Phaser 8hp
    $128.00

    In Stock Available immediately!
  38. A-104 Trautonium Formant Filter
    Doepfer A-104 Trautonium Formant Filter 20hp
    $179.00

    In Stock Available immediately!
  39. Doepfer A-101-1 Vactrol Steiner Filter
    Doepfer A-101-1 Vactrol Steiner Filter 16hp
    As low as $169.00
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  40. A-142-4 Quad Decay Envelope Generator
    Doepfer A-142-4 Quad Decay Envelope Generator 8hp
    $123.00

    In Stock Available immediately!
  41. A-103 VCF6 18dB Low Pass Filter
    Doepfer A-103 VCF6 18dB Low Pass Filter 8hp
    $104.00

    In Stock Available immediately!
  42. A-127 VC Triple Resonance Filter
    Doepfer A-127 VC Triple Resonance Filter 28hp
    $198.00

    In Stock Available immediately!
  43. A-123-2 6/12/18/24dB High Pass Filter
    Doepfer A-123-2 6/12/18/24dB High Pass Filter 8hp
    $150.00

    In Stock Available immediately!
  44. After Later Audio Pique 1U
    After Later Audio Pique Multi-Function Modulation Source 1U 22hp
    $149.00

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  45. Doepfer A-121-3 Multimode VCF - Slim Line
    Doepfer A-121-3 Multimode VCF Filter (Slim Line) 4hp
    $124.00

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  46. A-102 VCF9 Diode Low Pass Filter
    Doepfer A-102 VCF9 Diode Low Pass Filter 8hp
    $115.00

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  47. Discrete Core Ladder Filter VCF
    ACL Discrete Core Ladder Filter VCF 18hp
    $545.00

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  48. Envelope X3 Triple ADSR
    ACL Envelope X3 Triple ADSR 21hp
    $469.00

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1-48 of 86 items

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Modular synths are one of the most inspiring tools available to electronic musicians today: synthesizers that you can assemble yourself from core components, building an instrument specifically meant for your music and your workflow. These core components, called modules, each perform an individual function. Some generate sound, some process sound, and some provide a way to control other modules.

At Perfect Circuit we specialize in the Eurorack format of modular synthesizers, a standard developed by Dieter Doepfer in order to provide musicians easy and affordable access to the techniques from the large analog synths of yesteryear: Moog, Buchla, ARP, and Serge systems, and many more. Since then, Eurorack has grown considerably—now offering a wide range of unique sonic opportunities.

Now, manufacturers like Verbos Electronics and Random*Source focus on adapting classic analog designs for use in modern music. Others, like Noise Engineering, Industrial Music Electronics, or Mutable Instruments, work in the digital realm to bring new techniques to the world of hardware. Others like Rossum Electro-Music and Make Noise work in both domains to make instruments that strike an uncanny balance between analog and digital, opening new worlds of expression.

Through some combination of these modules, a mess of patch cables, and a healthy does of experimentation, many musicians have found their own unique voices: and perhaps you will find yours there, too.