Eurorack + Modular Synths

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  1. Sdkc Instruments Addition Expander for Helical
    Sdkc Instruments Addition Expander for Helical 4hp
    $124.99

    In Stock Available immediately!
  2. Doepfer A-178 Theremin Control Voltage Source
    Doepfer A-178 Theremin Control Voltage Source 8hp
    As low as $127.00
    Multiple Options Make a selection for stock info
  3. A-198 Trautonium Manual / Ribbon Controller
    Doepfer A-198 Trautonium Manual / Ribbon Controller 8hp
    $305.00

    In Stock Available immediately!
  4. Doepfer A-174-4 3D Joystick
    Doepfer A-174-4 3D Joystick 12hp
    As low as $271.00
    Multiple Options Make a selection for stock info
  5. Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    As low as $259.00
    Multiple Options Make a selection for stock info
  6. A-174-2 Wheels
    Doepfer A-174-2 Wheels 14hp
    $138.00

    Preorder 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
  7. A-173-1/2 Micro Keyboard / Manual Gate
    Doepfer A-173-1/2 Micro Keyboard / Manual Gate 12hp
    $271.00

    Preorder 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
  8. Doepfer A-156 Dual Quantizer
    Doepfer A-156 Dual Quantizer 8hp
    As low as $161.00
    Multiple Options Make a selection for stock info
  9. Dnipro Modular Ewa Expander for Krait
    Dnipro Modular Ewa Expander for Krait 4hp
    $139.99

    In Stock Available immediately!
  10. A-177-2 Foot Controllers
    Doepfer A-177-2 Foot Controllers 4hp
    $69.00

    Preorder 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
  11. A-134-1 VC Panner / Crossfader
    Doepfer A-134-1 VC Panner / Crossfader 8hp
    $115.00

    In Stock Available immediately!
  12. A-198m Trautonium Controller (Module Only)
    Doepfer A-198m Trautonium Controller (Module Only) 8hp
    $87.00

    In Stock Available immediately!
  13. Doepfer A-179-2 Light-Controlled CV/Gate Source
    Doepfer A-179-2 Light-Controlled CV/Gate Source 4hp
    $98.00

    In Stock Available immediately!
  14. Doepfer A-126-2exp Frequency Shifter Expander
    Doepfer A-126-2exp Frequency Shifter Expander 2hp
    As low as $64.00
    Multiple Options Make a selection for stock info
  15. WMD PM Channels MKII Performance Mixer Expander
    WMD PM Channels MKII Performance Mixer Expander 24hp
    $649.00

    In Stock Available immediately!
  16. Random Source Serge TKB 3.5mm Jacks
    Random Source Serge TKB Touch Activated Keyboard Sequencer - 3.5mm Jacks (4U)
    $2,399.99

    Preorder 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. Dnipro qTone Dual-Channel Quantizer (Black)
    Dnipro Modular qTone Dual-Channel Quantizer (Black) 6hp
    $229.99

    In Stock Available immediately!
  18. Random Source Serge SEQ 8 XL Sequencer Programmer
    Random Source SEQ8 XL Serge Sequencer + Programmer 42hp
    $589.99

    In Stock Available immediately!
  19. Doepfer A-197-3 RGB LED Controller
    Doepfer A-197-3 RGB LED Controller 4hp
    $121.00

    In Stock Available immediately!
  20. WMD PM DB25 MKII
    WMD PM DB25 MKII Performance Mixer MkII Expander 4hp
    $299.00

    In Stock Available immediately!
  21. Metamorph Controller / Sequencer
    Dnipro Modular Metamorph Controller / Sequencer 20hp
    $240.00

    In Stock Available immediately!
  22. WMD Voltera Metron Expander
    WMD Voltera Expander for Metron (Black) 4hp
    $269.00

    In Stock Available immediately!
  23. Doepfer A-198 Trautonium Ribbon Only
    Doepfer A-198 Trautonium Controller (Ribbon Only)
    $236.00

    In Stock Available immediately!
  24. A-161 Clock / Trigger Sequencer
    Doepfer A-161 Clock / Trigger Sequencer 4hp
    $87.00

    In Stock Available immediately!
  25. 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
    $81.00

    In Stock Available immediately!
  26. Doepfer A-198-2 Module + Ribbon Controller
    Doepfer A-198-2 Module + Ribbon Controller 6hp
    $437.00

    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.
  27. WMD PM-DB25 Performance Mixer Expander [USED]
    WMD PM-DB25 Performance Mixer Expander 4hp
    • USED
    $299.00

    In Stock Available immediately!
  28. Sdkc Instruments Cuh MIDI Expander for Helical
    Sdkc Instruments Cuh MIDI Expander for Helical 4hp
    • NEW
    $159.00

    In Stock Available immediately!
  29. Sdkc Instruments Control
    Sdkc Instruments Control Expression Pedal Interface 8hp
    • NEW
    $159.00

    In Stock Available immediately!
  30. Save $50 Doepfer A-154V Seq. Cont. Vintage Edition
    Doepfer A-154V Seq. Cont. (Vintage Edition) 22hp
    • DEMO
    • Sale
    $271.00 $221.00
    In Stock Available immediately!
  31. Doepfer A-178V Theremin Control Voltage Source (Vintage Edition) [USED]
    Doepfer A-178V Theremin Control Voltage Source (Vintage Edition) 8hp
    • USED
    $119.00

    In Stock Available immediately!
  32. WMD PM Channels Expander [USED]
    WMD PM Channels Expander 10hp
    • USED
    $199.00

    In Stock Available immediately!
  33. WMD PM Mutes Expander [USED]
    WMD PM Mutes Expander 6hp
    • USED
    $299.00

    In Stock Available immediately!
  34. WMD PM Channels Expander (Black) [USED]
    WMD PM Channels Expander (Black) 10hp
    • USED
    $199.00

    In Stock Available immediately!
  35. WMD PM Channels Expander [USED]
    WMD PM Channels Expander (Black) 10hp
    • USED
    $199.00

    In Stock Available immediately!
  36. Doepfer A-149-2 Digital Random Voltages [USED]
    Doepfer A-149-2 Digital Random Voltages 4hp
    • USED
    $69.99

    In Stock Available immediately!
  37. Doepfer A-178 Theremin Control Voltage Source [USED]
    Doepfer A-178 Theremin Control Voltage Source 8hp
    • USED
    $99.00

    In Stock Available immediately!
  38. WMD Arpitecht Quantizer Arpeggiator [USED]
    WMD Arpitecht Quantizer Arpeggiator 12hp
    • USED
    $319.00

    In Stock Available immediately!
  39. Dnipro Modular Metamorph Controller / Sequencer [USED]
    Dnipro Modular Metamorph Controller / Sequencer 20hp
    • USED
    $199.00

    In Stock Available immediately!
  40. Dnipro Modular Metamorph Controller / Sequencer [USED]
    Dnipro Modular Metamorph Controller / Sequencer 20hp
    • USED
    $199.00

    In Stock Available immediately!
  41. Doepfer A-134-1 VC Panner / Crossfader [USED]
    Doepfer A-134-1 VC Panner / Crossfader 8hp
    • USED
    $94.99

    In Stock Available immediately!
  42. Doepfer A-154V Seq. Cont. (Vintage Edition) [USED]
    Doepfer A-154V Seq. Cont. (Vintage Edition) 22hp
    • USED
    $229.00

    In Stock Available immediately!

1-42 of 42 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.