Eurorack + Modular Synths

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  1. Random Source Serge GTS Slope Generator III
    Random Source Serge GTS Slope Generator III 26hp
    • NEW
    $499.99

    In Stock Available immediately!
  2. Random Source Serge GTO
    Random Source Serge GTO Complex Multi-Function Module 18hp
    $399.99

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    Out of Stock

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  3. A-196 Phase Locked Loop
    Doepfer A-196 Phase Locked Loop 8hp
    $92.00

    In Stock Available immediately!
  4. Schlappi 100 Grit Touch-Controlled Distortion
    Schlappi Engineering 100 Grit Touch-Controlled Distortion 14hp
    As low as $260.00
    Multiple Options Make a selection for stock info
  5. Doepfer A-185-2 Precision Adder
    Doepfer A-185-2 Precision Adder 6hp
    As low as $89.00
    Multiple Options Make a selection for stock info
  6. Doepfer A-119
    Doepfer A-119 External Input / Envelope Follower 8hp
    As low as $86.00
    Multiple Options Make a selection for stock info
  7. Random Source Serge Dual Universal Slope Generator DUSG Eurorack
    Random Source Serge Dual Universal Slope Generator MK2 (DSG) 26hp
    $479.99

    In Stock Available immediately!
  8. Serge Triple+ Waveshaper (TWS+)
    Random Source Serge Triple+ Waveshaper (TWS+) 18hp
    $299.99

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  9. Schlappi Engineering Angle Grinder
    Schlappi Engineering Angle Grinder Quadrature Oscillator + Waveshaper 18hp
    As low as $310.00
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  10. Plankton Electronics Nutone Distortion Module
    Plankton Electronics Nutone Distortion Module 8hp
    $249.00

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  11. Random Source Serge SSG Smooth & Stepped Function Generator Eurorack Module
    Random Source Serge Smooth & Stepped Generator (SSG) 18hp
    $359.99

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  12. Schlappi Engineering Boundary
    Schlappi Engineering Boundary Cycling Slew and Four-Quadrant Multipler 12hp
    As low as $219.00
    Multiple Options Make a selection for stock info
  13. A-136 Distortion Waveshaper
    Doepfer A-136 Distortion Waveshaper 8hp
    $80.00

    In Stock Available immediately!
  14. Plankton Electronics ENVF Envelope Follower
    Plankton Electronics ENVF Envelope Follower 2hp
    $159.00

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  15. Doepfer A-171-4 Quad VC Slew Limiter
    Doepfer A-171-4 Quad VC Slew Limiter 4hp
    $119.99

    In Stock Available immediately!
  16. Plankton Spice Distortion Unit (Eurorack)
    Plankton Electronics Spice Distortion Unit (Eurorack) 38hp
    $550.00

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  17. A-183-2 is a voltage offset generator with a dedicated attenuator governing its CV input.
    Doepfer A-183-2 Offset / Polarizer / Attenuator 4hp
    $48.00

    In Stock Available immediately!
  18. A-189-1 VC Bit Modifier / Bit Cruncher
    Doepfer A-189-1 VC Bit Modifier / Bit Cruncher 8hp
    $128.00

    In Stock Available immediately!
  19. 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
  20. A-137-2 Wave Multiplier II
    Doepfer A-137-2 Wave Multiplier II 14hp
    $99.00

    In Stock Available immediately!
  21. Random Source Serge Active Pro / Noise / CV-Pro
    Random Source Serge Active Pro / Noise / CV-Pro 18hp
    $449.99

    In Stock Available immediately!
  22. SYS-555 LAG / Sample & Hold
    Roland SYS-555 LAG / Sample & Hold 20hp
    $399.99

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  23. Doepfer A-133-2 Dual VC Polarizer
    Doepfer A-133-2 Dual VC Polarizer 4hp
    $99.99

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  24. Doepfer A-183-5 Quad Attenuator
    Doepfer A-183-5 Quad Attenuator 4hp
    $79.99

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  25. Serge Wave Multipliers (VCM)
    Random Source Serge Wave Multipliers (VCM) 18hp
    $359.99

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  26. A-183-3 Amplifier
    Doepfer A-183-3 Amplifier 4hp
    $55.00

    In Stock Available immediately!
  27. The A-170 Slew Limiter from Doepfer is a useful module for introducing a “sliding” aspect between changing stepped voltages
    Doepfer A-170 Dual Slew Limiter 8hp
    $79.00

    In Stock Available immediately!
  28. Doepfer A-171-2
    Doepfer A-171-2 Voltage Controlled Slew Processor / Generator 8hp
    As low as $153.00
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  29. Serge Divide by N Comparator (NCOM)
    Random Source Serge Divide by N Comparator (NCOM) 10hp
    $269.99

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  30. S-Trigger Cable
    Doepfer S-Trigger Cable
    $31.00

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  31. Doepfer A-183-4 Quad Level Shifter
    Doepfer A-183-4 Quad Level Shifter 4hp
    $65.99

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  32. A-137-1 Wave Multiplier I
    Doepfer A-137-1 Wave Multiplier I 14hp
    $149.00

    In Stock Available immediately!
  33. A-116 Waveform Processor
    Doepfer A-116 Waveform Processor 8hp
    $90.00

    In Stock Available immediately!
  34. A-133 Dual Voltage Controlled Polarizer
    Doepfer A-133 Dual Voltage Controlled Polarizer 8hp
    $84.00

    In Stock Available immediately!
  35. Roland RCC-00-3514 3.5mm to 1/4" Mono TS Cable
    Roland RCC-00-3514 Black Series 3.5mm TS to 1/4" TS Interconnect Cable
    As low as $24.99
    Multiple Options Make a selection for stock info
  36. Doepfer A-135-4C Quad Envelope Follower
    Doepfer A-135-4C Quad Envelope Follower 8hp
    $132.00

    In Stock Available immediately!
  37. A-138c Polarizing Mixer
    Doepfer A-138c Polarizing Mixer 8hp
    $87.00

    In Stock Available immediately!
  38. Spice Distortion Unit
    Plankton Electronics Spice Distortion Unit
    $599.00

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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
  39. Save $55 Serge Dual Universal Slope Generator MK2 (DSG)
    Random Source Serge Dual Universal Slope Generator MK2 (DSG) 26hp
    • B-STK
    • Sale
    $479.99 $424.99
    In Stock Available immediately!
  40. Doepfer A-168-1 PWM Generator [USED]
    Doepfer A-168-1 PWM Generator 4hp
    • USED
    $59.99

    In Stock Available immediately!
  41. Random Source Serge DUSG Dual Universal Slope Generator [USED]
    Random Source Serge DUSG Dual Universal Slope Generator 26hp
    • USED
    $409.00

    In Stock Available immediately!
  42. Random Source ANC Serge Active Pro / Noise / CV-Pro [USED]
    Random Source ANC Serge Active Pro / Noise / CV-Pro 18hp
    • USED
    $359.00

    In Stock Available immediately!
  43. Doepfer A-170 Dual Slew Limiter [USED]
    Doepfer A-170 Dual Slew Limiter 8hp
    • USED
    $69.99

    In Stock Available immediately!
  44. Random Source Serge Triple+ Waveshaper (TWS+) [USED]
    Random Source Serge Triple+ Waveshaper (TWS+) 18hp
    • USED
    $249.00

    In Stock Available immediately!
  45. Random Source Serge Wave Mulitpliers (VCM) [USED]
    Random Source Serge Wave Multipliers (VCM) 18hp
    • USED
    $309.00

    In Stock Available immediately!
  46. Random Source Serge Dual Universal Slope Generator Mk2 (DSG) [USED]
    Random Source Serge Dual Universal Slope Generator MK2 (DSG) 26hp
    • USED
    $409.00

    In Stock Available immediately!
  47. Random Source Serge Smooth & Stepped Generator (SSG) [USED]
    Random Source Serge Smooth & Stepped Generator (SSG) 18hp
    • USED
    $309.00

    In Stock Available immediately!
  48. Doepfer A-138e Quad 3Way Xfade/Mix/Polarizer [USED]
    Doepfer A-138e Quad 3Way Xfade/Mix/Polarizer 16hp
    • USED
    $119.00

    In Stock Available immediately!

1-48 of 48 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.