Eurorack + Modular Synths

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  1. Doepfer A-174-4 3D Joystick
    Doepfer A-174-4 3D Joystick 12hp
    As low as $189.00
    Multiple Options Make a selection for stock info
  2. Doepfer A-178 Theremin Control Voltage Source
    Doepfer A-178 Theremin Control Voltage Source 8hp
    As low as $110.00
    Multiple Options Make a selection for stock info
  3. Doepfer A-149-4 Quad Random Voltage Source
    Doepfer A-149-4 Quad Random Voltage Source 4hp
    $169.00

    In Stock Available immediately!
  4. 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
  5. This beefy power supply features 2000mA on the +12V rail, 1200mA on -12V, and 4000mA on +5V.
    Doepfer A-100PSU3 Power Supply
    $170.00

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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
  6. Doepfer A-183-9 Quad USB Power Supply
    Doepfer A-183-9 Quad USB Power Supply 2hp
    $69.00

    In Stock Available immediately!
  7. 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
  8. Doepfer A-118-2 Noise / Random (Slim Line)
    Doepfer A-118-2 Noise / Random (Slim Line) 4hp
    As low as $99.00
    Multiple Options Make a selection for stock info
  9. A-180-9 Multicore (Pair)
    Doepfer A-180-9 Multicore (Pair) 4hp
    $124.99

    In Stock Available immediately!
  10. A-152 Addressed T&H / Switch
    Doepfer A-152 Addressed T&H / Switch 16hp
    $172.00

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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. Doepfer A-148 Dual S&H
    Doepfer A-148 Dual S&H 4hp
    As low as $78.00
    Multiple Options Make a selection for stock info
  14. A-173-1/2 Micro Keyboard / Manual Gate
    Doepfer A-173-1/2 Micro Keyboard / Manual Gate 12hp
    $199.99

    In Stock Available immediately!
  15. A-198m Trautonium Controller (Module Only)
    Doepfer A-198m Trautonium Controller (Module Only) 8hp
    $90.00

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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
  16. 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
  17. Doepfer A-179-2 Light-Controlled CV/Gate Source
    Doepfer A-179-2 Light-Controlled CV/Gate Source 4hp
    $89.00

    In Stock Available immediately!
  18. A-100AD5 +5V Adapter
    Doepfer A-100AD5 +5V Adapter
    $20.00

    In Stock Available immediately!
  19. Doepfer A-100 DIY Eurorack Case Kit (No PSU)
    Doepfer A-100 DIY Eurorack Case Kit (No PSU)
    $180.00

    In Stock Available immediately!
  20. A-149-1 Quantized / Stored Random Voltages
    Doepfer A-149-1 Quantized / Stored Random Voltages 12hp
    $135.00

    In Stock Available immediately!
  21. Doepfer A-118 Noise + Random Voltage
    Doepfer A-118 Noise + Random Voltage 8hp
    As low as $85.00
    Multiple Options Make a selection for stock info
  22. Doepfer A-184-1
    Doepfer A-184-1 Ring Modulator / S&H / T&H / Slew Limiter 4hp
    As low as $118.00
    Multiple Options Make a selection for stock info
  23. A-100 Bus Board V6
    Doepfer A-100 Bus Board V6
    $49.99

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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-100SSB is a combo PSU and busboard sporting 8 connectors.
    Doepfer A-100SSB Small Supply / Bus
    $99.99

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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 Doepfer A-183-9 Quad USB Power Supply [USED]
    Doepfer A-183-9 Quad USB Power Supply 2hp
    • USED
    • Sale
    $59.99 $51.00
    In Stock Available immediately!
  26. 15% off Doepfer A-198m Trautonium Controller (Module Only) [USED]
    Doepfer A-198m Trautonium Controller (Module Only) 8hp
    • USED
    • Sale
    $79.99 $68.00
    In Stock Available immediately!
  27. 10% off Doepfer A-118V Noise + Random Voltage (Vintage Edition) [USED]
    Doepfer A-118V Noise + Random Voltage (Vintage Edition) 8hp
    • USED
    • Sale
    $69.99 $63.00
    In Stock Available immediately!
  28. 9% off Doepfer A-149-4 Quad Random Voltage Source [USED]
    Doepfer A-149-4 Quad Random Voltage Source 4hp
    • USED
    • Sale
    $149.00 $135.00
    In Stock Available immediately!
  29. 9% off Doepfer A-118-2 Noise / Random (Slim Line) [USED]
    Doepfer A-118-2 Noise / Random (Slim Line) 4hp
    • USED
    • Sale
    $84.99 $77.00
    In Stock Available immediately!
  30. 9% off Doepfer A-180-9 Multicore (Pair) [USED]
    Doepfer A-180-9 Multicore (Pair) 4hp
    • USED
    • Sale
    $109.00 $99.00
    In Stock Available immediately!
  31. 15% off Doepfer A-183-9 Quad USB Power Supply [USED]
    Doepfer A-183-9 Quad USB Power Supply 2hp
    • USED
    • Sale
    $59.99 $51.00
    In Stock Available immediately!
  32. 14% off Doepfer A-118 Noise + Random Voltage [USED]
    Doepfer A-118 Noise + Random Voltage 8hp
    • USED
    • Sale
    $69.99 $60.00
    In Stock Available immediately!
  33. 10% off Doepfer A-118 Noise + Random Voltage [USED]
    Doepfer A-118 Noise + Random Voltage 8hp
    • USED
    • Sale
    $69.99 $63.00
    In Stock Available immediately!

1-33 of 33 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.