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Eurorack + Modular Synths

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  1. Save $35 A-143-2 Quad ADSR
    Doepfer A-143-2 Quad ADSR 26hp
    • Sale
    $255.00 $220.00
    In Stock Available immediately!
  2. A-198 Trautonium Manual / Ribbon Controller
    Doepfer A-198 Trautonium Manual / Ribbon Controller 8hp
    $290.00

    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
  3. 20% off Doepfer A-147-4 Dual VCLFO
    Doepfer A-147-4 Dual VCLFO 8hp
    • Sale
    As low as $159.99
    Multiple Options Make a selection for stock info
  4. 15% off Doepfer A-140-2 Dual Mini ADSR
    Doepfer A-140-2 Dual Mini ADSR Envelope Generator 8hp
    • Sale
    As low as $147.00
    Multiple Options Make a selection for stock info
  5. 13% off Doepfer A-174-4 3D Joystick
    Doepfer A-174-4 3D Joystick 12hp
    • Sale
    As low as $164.00
    Multiple Options Make a selection for stock info
  6. 16% off Doepfer A-111-2 High End VCO II / LFO
    Doepfer A-111-2 High End VCO II / LFO 14hp
    • Sale
    As low as $244.00
    Multiple Options Make a selection for stock info
  7. 14% off Doepfer A-178 Theremin Control Voltage Source
    Doepfer A-178 Theremin Control Voltage Source 8hp
    • Sale
    As low as $95.00
    Multiple Options Make a selection for stock info
  8. Doepfer A-198 Trautonium Ribbon Only
    Doepfer A-198 Trautonium Controller (Ribbon Only)
    $200.00

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    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
  9. 15% off Doepfer A-147-5 Quad VCLFO Standard Edition
    Doepfer A-147-5 Quad VCLFO 4hp
    • Sale
    As low as $109.99
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  10. 14% off Doepfer A-145-4 Quad LFO (Slim Line)
    Doepfer A-145-4 Quad LFO (Slim Line) 4hp
    • Sale
    As low as $95.00
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  11. A-174-2 Wheels
    Doepfer A-174-2 Wheels 14hp
    $92.00

    In Stock Available immediately!
  12. Doepfer A-197-3 RGB LED Controller
    Doepfer A-197-3 RGB LED Controller 4hp
    $89.99

    In Stock Available immediately!
  13. 15% off Doepfer A-141-2
    Doepfer A-141-2 Voltage Controlled Envelope Generator 14hp
    • Sale
    As low as $144.00
    Multiple Options Make a selection for stock info
  14. Save $30 A-143-1 Quad Complex Envelope Generator
    Doepfer A-143-1 Quad Complex Envelope Generator 28hp
    • Sale
    $214.00 $184.00
    In Stock Available immediately!
  15. Doepfer A-171-2
    Doepfer A-171-2 Voltage Controlled Slew Processor / Generator 8hp
    • Sale
    As low as $153.00
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  16. Save $25 A-173-1/2 Micro Keyboard / Manual Gate
    Doepfer A-173-1/2 Micro Keyboard / Manual Gate 12hp
    • Sale
    $199.99 $174.99
    In Stock Available immediately!
  17. 17% off Doepfer A-147-2 Voltage Controlled Delayed LFO
    Doepfer A-147-2 Voltage Controlled Delayed LFO 8hp
    • Sale
    As low as $125.00
    Multiple Options Make a selection for stock info
  18. Save $25 Doepfer A-141-4 Quad Poly VCADSR
    Doepfer A-141-4 Quad Poly VCADSR 8hp
    • Sale
    $196.00 $171.00
    In Stock Available immediately!
  19. A-198m Trautonium Controller (Module Only)
    Doepfer A-198m Trautonium Controller (Module Only) 8hp
    $90.00

    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
  20. 20% off Doepfer A-111-3 Micro Precision VCO / LFO
    Doepfer A-111-3 Micro Precision VCO / LFO 4hp
    • Sale
    As low as $144.00
    Multiple Options Make a selection for stock info
  21. 14% off Doepfer A-140 ADSR Envelope Generator
    Doepfer A-140 ADSR Envelope Generator 8hp
    • Sale
    As low as $94.00
    Multiple Options Make a selection for stock info
  22. A-143-3 Quad LFO
    Doepfer A-143-3 Quad LFO 14hp
    $145.00

    In Stock Available immediately!
  23. A-177-2 Foot Controllers
    Doepfer A-177-2 Foot Controllers 4hp
    $60.00

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

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    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. 15% off A-146 LFO2 Variable Waveform LFO
    Doepfer A-146 LFO2 Variable Waveform LFO 8hp
    • Sale
    $88.00 $74.80
    In Stock Available immediately!
  26. 12% off Doepfer A-179-2 Light-Controlled CV/Gate Source
    Doepfer A-179-2 Light-Controlled CV/Gate Source 4hp
    • Sale
    $89.00 $77.88
    In Stock Available immediately!
  27. 15% off A-145 LFO
    Doepfer A-145 LFO 8hp
    • Sale
    $85.00 $72.25
    In Stock Available immediately!
  28. Save $20 Doepfer A-142-2 Dual Envelope-Controlled VCA
    Doepfer A-142-2 Dual Envelope Controlled VCA 8hp
    • Sale
    $159.99 $139.99
    In Stock Available immediately!
  29. Save $35 A-143-4 Quad VCLFO/VCO
    Doepfer A-143-4 Quad VCLFO/VCO 22hp
    • Sale
    $258.00 $223.00
    In Stock Available immediately!
  30. 14% off Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    • Sale
    As low as $210.00
    Multiple Options Make a selection for stock info
  31. A-142-4 Quad Decay
    Doepfer A-142-4 Quad Decay 8hp
    $123.00

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    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
  32. A-161 Clock / Trigger Sequencer
    Doepfer A-161 Clock / Trigger Sequencer 4hp
    $80.00

    In Stock Available immediately!
  33. 12% off 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
    • Sale
    $74.99 $65.62
    In Stock Available immediately!
  34. S-Trigger Cable
    Doepfer S-Trigger Cable
    $31.00

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    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
  35. 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
  36. Save $15 Doepfer A-174-4 3D Joystick
    Doepfer A-174-4 3D Joystick 12hp
    • DEMO
    • Sale
    $189.00 $174.00
    In Stock Available immediately!
  37. Save $30 Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    • DEMO
    • Sale
    $218.00 $188.00
    In Stock Available immediately!
  38. Doepfer A-142-2 Dual Envelope Controlled VCA [USED]
    Doepfer A-142-2 Dual Envelope Controlled VCA 8hp
    • USED
    $129.00

    In Stock Available immediately!
  39. Doepfer A-126-2expV Frequency Shifter Expander [USED]
    Doepfer A-126-2expV Frequency Shifter Expander (Black) 2hp
    • USED
    $49.99

    In Stock Available immediately!
  40. Doepfer A-198m Trautonium Controller (Module Only) [USED]
    Doepfer A-198m Trautonium Controller (Module Only) 8hp
    • USED
    $79.99

    In Stock Available immediately!
  41. Doepfer A-154V Seq. Cont. (Vintage Edition) [USED]
    Doepfer A-154V Seq. Cont. (Vintage Edition) 22hp
    • USED
    $179.00

    In Stock Available immediately!
  42. Doepfer A-154 Sequencer Controller [USED]
    Doepfer A-154 Sequencer Controller 22hp
    • USED
    $179.00

    In Stock Available immediately!

1-44 of 44 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.