Eurorack + Modular Synths

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  1. Random Source Serge GTO
    Random Source Serge GTO Complex Multi-Function Module 18hp
    $399.99

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  2. Joranalogue Contour 1 Function Generator
    Joranalogue Contour 1 Function Generator 8hp
    $219.99

    In Stock Available immediately!
  3. Random Source Serge GTS Slope Generator III
    Random Source Serge GTS Slope Generator III 26hp
    $499.99

    In Stock Available immediately!
  4. Random Source Serge Dual Universal Slope Generator DUSG Eurorack
    Random Source Serge Dual Universal Slope Generator MK2 (DSG) 26hp
    $479.99

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  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. Random Source Serge Active Pro / Noise / CV-Pro
    Random Source Serge Active Pro / Noise / CV-Pro 18hp
    $449.99

    In Stock Available immediately!
  7. Doepfer A-119
    Doepfer A-119 External Input / Envelope Follower 8hp
    As low as $86.00
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  8. Joranalogue Morph 4 Modulation Hub
    Joranalogue Morph 4 Modulation Hub 20hp
    $399.99

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

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  10. Joranalogue Select 2 Dual CV Processor
    Joranalogue Select 2 Dual CV Processor 6hp
    $179.99

    In Stock Available immediately!
  11. 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

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  12. Serge Divide by N Comparator (NCOM)
    Random Source Serge Divide by N Comparator (NCOM) 10hp
    $269.99

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  13. Joranalogue Bias 2 Precision Scaler + Offsetter
    Joranalogue Bias 2 Precision Scaler + Offsetter 2hp
    $84.99

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

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  15. Compare 2 Dual Window Comparator
    Joranalogue Compare 2 Dual Window Comparator 8hp
    $219.99

    In Stock Available immediately!
  16. ADDAC ADDAC306 VC Transitions
    ADDAC System ADDAC306 VC Transitions 8hp
    $150.00

    In Stock Available immediately!
  17. Doepfer A-135-4C Quad Envelope Follower
    Doepfer A-135-4C Quad Envelope Follower 8hp
    $132.00

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

    In Stock Available immediately!
  19. 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!
  20. Transient Modules u3A Triple Attenuverter - 1U
    Transient Modules u3A Triple Attenuverter - 1U 18hp
    $75.00

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

    In Stock Available immediately!
  22. ADDAC System 216 Sum & Difference (Black)
    ADDAC System ADDAC216 Sum & Difference (Black) 8hp
    $155.00

    In Stock Available immediately!
  23. Doepfer A-171-2
    Doepfer A-171-2 Voltage Controlled Slew Processor / Generator 8hp
    As low as $153.00
    Multiple Options Make a selection for stock info
  24. ADDAC System ADDAC212 E.G. Map Pack (Black)
    ADDAC System ADDAC212 E.G. Map Pack (Black) 6hp
    $215.00

    In Stock Available immediately!
  25. ADDAC System ADDAC218 Attenuverters
    ADDAC System ADDAC218 Attenuverters 4hp
    $105.00

    In Stock Available immediately!
  26. Doepfer A-133-2 Dual VC Polarizer
    Doepfer A-133-2 Dual VC Polarizer 4hp
    $99.99

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  27. ADDAC System ADDAC203 Rev02 CV Mapping
    ADDAC System ADDAC203 Rev02 CV Mapping 4hp
    $179.99

    In Stock Available immediately!
  28. Doepfer A-183-4 Quad Level Shifter
    Doepfer A-183-4 Quad Level Shifter 4hp
    $65.99

    In Stock Available immediately!
  29. 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
  30. A-138c Polarizing Mixer
    Doepfer A-138c Polarizing Mixer 8hp
    $87.00

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

    In Stock Available immediately!
  32. ADDAC ADDAC208 Comparator & Rectifiers
    ADDAC System ADDAC208 Comparator & Rectifiers 4hp
    $135.00

    In Stock Available immediately!
  33. Save $70 Serge Dual Universal Slope Generator MK2 (DSG)
    Random Source Serge Dual Universal Slope Generator MK2 (DSG) 26hp
    • B-STK
    • Sale
    $479.99 $409.99
    In Stock Available immediately!
  34. Doepfer A-170 Dual Slew Limiter [USED]
    Doepfer A-170 Dual Slew Limiter 8hp
    • USED
    $69.99

    In Stock Available immediately!
  35. 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!
  36. Joranalogue Contour 1 Function Generator [USED]
    Joranalogue Contour 1 Function Generator 8hp
    • USED
    $189.00

    In Stock Available immediately!
  37. ADDAC System ADDAC401 Gated Envelope Follower [USED]
    ADDAC System ADDAC401 Gated Envelope Follower 8hp
    • USED
    $249.00

    In Stock Available immediately!
  38. Doepfer A-168-1 PWM Generator [USED]
    Doepfer A-168-1 PWM Generator 4hp
    • USED
    $47.00

    In Stock Available immediately!
  39. 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!
  40. Joranalogue Contour 1 Function Generator [USED]
    Joranalogue Contour 1 Function Generator 8hp
    • USED
    $189.00

    In Stock Available immediately!
  41. Joranalogue Select 2 Dual CV Processor [USED]
    Joranalogue Select 2 Dual CV Processor 6hp
    • USED
    $139.00

    In Stock Available immediately!

1-41 of 41 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.