Eurorack + Modular Synths

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  1. A-124SE VCF5 Wasp Filter (Special Edition)
    Doepfer A-124SE VCF5 Wasp Filter (Special Edition) 8hp
    $105.00

    In Stock Available immediately!
  2. AJH Synth Gemini 2412 Dual Vintage SVF
    AJH Synth Gemini 2412 Dual Vintage State Variable Filter 28hp
    As low as $445.00
    Multiple Options Make a selection for stock info
  3. AJH Synth MiniMod Transistor Ladder VCF
    AJH Synth MiniMod Transistor Ladder VCF 14hp
    As low as $289.00
    Multiple Options Make a selection for stock info
  4. A-106-5 -12dB SEM VCF
    Doepfer A-106-5 -12dB SEM VCF 8hp
    $115.00

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  5. AJH Synth Next Phase Stereo Phaser
    AJH Synth Next Phase Stereo Phaser 18hp
    As low as $419.00
    Multiple Options Make a selection for stock info
  6. vpme.de QEX Quad Drum Expander
    vpme.de QEX Quad Drum Expander 4hp
    $140.00

    In Stock Available immediately!
  7. Bubblesound SeM20st Stereo VCF
    Bubblesound SeM20st Stereo VCF 10hp
    $279.00

    Preorder New release—reserve yours today!

    Preorder

    We're awaiting our full initial batch of this item—pre-order to reserve your place in line! Customer orders are fulfilled in the order in which they are received.
  8. AJH Synth Fixed Filter Bank 914
    AJH Synth Fixed Filter Bank 914 30hp
    As low as $549.00
    Multiple Options Make a selection for stock info
  9. A-124 VCF5 Wasp Filter
    Doepfer A-124 VCF5 Wasp Filter 8hp
    $105.00

    In Stock Available immediately!
  10. Doepfer A-101-8 Photo Phasing
    Doepfer A-101-8 Photo Phasing 4hp
    As low as $149.99
    Multiple Options Make a selection for stock info
  11. Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    As low as $218.00
    Multiple Options Make a selection for stock info
  12. Doepfer A-121-3 Multimode VCF - Slim Line
    Doepfer A-121-3 Multimode VCF (Slim Line) 4hp
    $124.00

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

    In Stock Available immediately!
  14. Doepfer A-121s Stereo Multimode Filter
    Doepfer A-121s Stereo Multimode Filter 12hp
    As low as $260.00
    Multiple Options Make a selection for stock info
  15. A-105-4 Quad Poly SSI VCF
    Doepfer A-105-4 Quad Poly SSI VCF 8hp
    $245.00

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

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  17. Six Switches Expander for Euclidean Circles
    vpme.de Six Switches Expander for Euclidean Circles 2hp
    $61.99

    In Stock Available immediately!
  18. Doepfer A-120 VCF1 24dB Low Pass Filter
    Doepfer A-120 VCF1 24dB Low Pass Filter 8hp
    As low as $130.00
    Multiple Options Make a selection for stock info
  19. A-127 VC Triple Resonance Filter
    Doepfer A-127 VC Triple Resonance Filter 28hp
    $198.00

    In Stock Available immediately!
  20. AJH Synth Gain Switch Expander + Multiple
    AJH Synth Gain Switch Expander + Multiple 2hp
    As low as $95.00
    Multiple Options Make a selection for stock info
  21. Doepfer A-101-1 Vactrol Steiner Filter
    Doepfer A-101-1 Vactrol Steiner Filter 16hp
    As low as $169.00
    Multiple Options Make a selection for stock info
  22. Doepfer A-121-2 12dB Multimode Filter
    Doepfer A-121-2 12dB Multimode Filter 8hp
    As low as $138.00
    Multiple Options Make a selection for stock info
  23. A-101-6 Opto FET Filter / Phaser
    Doepfer A-101-6 Opto FET Filter / Phaser 8hp
    $128.00

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  24. A-161 Clock / Trigger Sequencer
    Doepfer A-161 Clock / Trigger Sequencer 4hp
    $80.00

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  25. A-103 VCF6 18dB Low Pass Filter
    Doepfer A-103 VCF6 18dB Low Pass Filter 8hp
    $104.00

    In Stock Available immediately!
  26. 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!
  27. A-104 Trautonium Formant Filter
    Doepfer A-104 Trautonium Formant Filter 20hp
    $179.00

    In Stock Available immediately!
  28. Bubblesound HP40 High Pass Filter
    Bubblesound HP40 High Pass Filter 4hp
    $165.00

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  29. A-102 Diode Low Pass Filter
    Doepfer A-102 Diode Low Pass Filter 8hp
    $115.00

    Backorder Reserve your order today!

    Out of Stock

    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  30. A-125 Voltage Controlled Phase Shifter
    Doepfer A-125 Voltage Controlled Phase Shifter 8hp
    $105.00

    In Stock Available immediately!
  31. Doepfer’s A-149-2 is an essential expansion module for the A-149-1 Quantized/Stored Random Voltages.
    Doepfer A-149-2 Digital Random Voltages 4hp
    $74.99

    In Stock Available immediately!
  32. AJH Synth Sonic XV Diode Ladder Filter
    AJH Synth Sonic XV Diode Ladder Filter 14hp
    As low as $365.00
    Multiple Options Make a selection for stock info
  33. Doepfer A-105-2V 24dB SSI Low Pass Filter
    Doepfer A-105-2 24dB SSI Low Pass Filter 4hp
    As low as $139.99
    Multiple Options Make a selection for stock info
  34. A-128 Fixed Filter Bank
    Doepfer A-128 Fixed Filter Bank 20hp
    $230.00

    In Stock Available immediately!
  35. Bubblesound Dual SeM20 Filter
    Bubblesound Dual SeM20 Filter 16hp
    $329.00

    In Stock Available immediately!
  36. Bubblesound LP40 Low Pass Filter
    Bubblesound LP40 Low Pass Filter 4hp
    $165.00

    In Stock Available immediately!
  37. A-123-2 6/12/18/24dB Highpass
    Doepfer A-123-2 6/12/18/24dB Highpass 8hp
    $150.00

    In Stock Available immediately!
  38. Bubblesound DiOD Multimode Filter
    Bubblesound DiOD Multimode Filter 4hp
    $149.00

    In Stock Available immediately!
  39. A-126-2exp Frequency Shifter Expander
    Doepfer A-126-2exp Frequency Shifter Expander 2hp
    As low as $59.99
    Multiple Options Make a selection for stock info
  40. Save $20 Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    • DEMO
    • Sale
    $218.00 $198.00
    In Stock Available immediately!
  41. Save $15 Doepfer A-125 Voltage Controlled Phase Shifter
    Doepfer A-125 Voltage Controlled Phase Shifter 8hp
    • B-STK
    • Sale
    $105.00 $90.00
    In Stock Available immediately!
  42. Save $90 AJH Synth Sonic XV Diode Ladder Filter (Silver)
    AJH Synth Sonic XV Diode Ladder Filter (Silver) 14hp
    • DEMO
    • Sale
    $365.00 $275.00
    In Stock Available immediately!
  43. Doepfer A-126-2expV Frequency Shifter Expander [USED]
    Doepfer A-126-2expV Frequency Shifter Expander (Black) 2hp
    • USED
    $49.99

    In Stock Available immediately!
  44. Doepfer A-127 VC Triple Resonance Filter [USED]
    Doepfer A-127 VC Triple Resonance Filter 28hp
    • USED
    $169.00

    In Stock Available immediately!
  45. AJH Synth Gemini 2412 Dual SVF (Silver) [USED]
    AJH Synth Gemini 2412 Dual Vintage State Variable Filters (Silver) 28hp
    • USED
    $379.00

    In Stock Available immediately!
  46. AJH Synth Sonic XV Silver [USED]
    AJH Synth Sonic XV Diode Ladder Filter (Silver) 14hp
    • USED
    $329.00

    In Stock Available immediately!
  47. AJH Synth MiniMod VCF - Black [USED]
    AJH Synth MiniMod Transistor Ladder VCF (Black) 14hp
    • USED
    $269.00

    In Stock Available immediately!

1-47 of 47 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.