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Eurorack + Modular Synths

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  1. Panharmonium Spectral Resynthesizer
    Rossum Panharmonium Spectral Resynthesizer 26hp
    As low as $599.00
    Multiple Options Make a selection for stock info
  2. Assimil8or Phase Modulation Sampler
    Rossum Assimil8or Phase Modulation Sampler 28hp
    As low as $999.00
    Multiple Options Make a selection for stock info
  3. Befaco 7U Powered Eurorack Case
    Befaco 7U Powered Eurorack Case - 104HP
    $749.99

    Backorder Reserve your order today!
  4. Morpheus Stereo Morphing Z-Plane Filter
    Rossum Morpheus Stereo Morphing Z-Plane Filter 18hp
    As low as $599.00
    Multiple Options Make a selection for stock info
  5. 12% off Befaco M3 Knurlies Eurorack Screws
    Befaco M3 Knurlies Eurorack Screws
    • Sale
    As low as $21.87
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  6. Save $30 Befaco I4 Instrument Interface
    Befaco I4 Instrument Interface 8hp
    • Sale
    $239.99 $209.99
    In Stock Available immediately!
  7. Befaco Fx Boy Cartridge Multi-Effects Module
    Befaco Fx Boy Cartridge Multi-Effects Module 12hp
    $419.99

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  8. Befaco Stmix
    Befaco Stmix 4-Channel Stereo Mixer 6hp
    $149.99

    In Stock Available immediately!
  9. Locutus MIDI Mediator Expander for Assimil8or
    Rossum Locutus MIDI Mediator Expander for Assimil8or 6hp
    As low as $229.00
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  10. Befaco VCMC
    Befaco VCMC CV to MIDI Converter 20hp
    $349.99

    In Stock Available immediately!
  11. Befaco Output v3 module, front view
    Befaco Output v3 4hp
    $149.99

    In Stock Available immediately!
  12. Control Forge Programmable Universal CV Generator
    Rossum Control Forge Programmable Universal CV Generator 22hp
    $599.00

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  13. Befaco Pony VCO 3U Thru-Zero Oscillator
    Befaco Pony VCO 3U Thru-Zero Oscillator 4hp
    $229.99

    In Stock Available immediately!
  14. Befaco 1U STMix 4-Channel Stereo Mixer
    Befaco 1U STMix 4-Channel Stereo Mixer 28hp
    $99.99

    In Stock Available immediately!
  15. Save $45 Befaco Noise Plethora Eurorack Module
    Befaco Noise Plethora Three-Channel Noise Generator 14hp
    • Sale
    $349.99 $304.99
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  16. Befaco Percall Four-Channel Envelope + VCA
    Befaco Percall Four-Channel Envelope + VCA 12hp
    $299.99

    In Stock Available immediately!
  17. Befaco 1U Out Line Output Module
    Befaco 1U Out Line Output Module 16hp
    $99.99

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  18. Save $35 Befaco CV Thing CV-MIDI Converter
    Befaco CV Thing CV-MIDI Converter 6hp
    • Sale
    $279.99 $244.99
    In Stock Available immediately!
  19. Befaco Muxlicer
    Befaco Muxlicer Sequential Switch & Sequencer 16hp
    $229.99

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  20. Rossum Mob of Emus
    Rossum Mob of Emus Polyfunctional Harmonic Sextet 16hp
    $499.00

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  21. Rossum Linnaeus Thru-Zero Filter
    Rossum Linnaeus Thru-Zero Filter 16hp
    $499.00

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  22. Befaco Synth Duster
    Befaco Synth Duster
    $13.49

    In Stock Available immediately!
  23. Befaco Hexpander
    Befaco Hexpander Hexmix Expander 28hp
    $369.99

    In Stock Available immediately!
  24. Save $65 Befaco Hexmix
    Befaco Hexmix 6-Channel Performance Mixer 28hp
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    $499.99 $434.99
    In Stock Available immediately!
  25. Evolution Variable Character Ladder Filter
    Rossum Evolution Variable Character Ladder Filter 16hp
    $499.00

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  26. Befaco Voltio Precision Adder + Transposer
    Befaco Voltio Precision Adder + Transposer 6hp
    $149.99

    In Stock Available immediately!
  27. Befaco Inamp Two-Channel Preamp
    Befaco Inamp Two-Channel Preamp 4hp
    $139.99

    In Stock Available immediately!
  28. Save $30 Befaco Kickall
    Befaco Kickall Analog Kick Generator 6hp
    • Sale
    $239.99 $209.99
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  29. Befaco Rampage
    Befaco Rampage Dual Slope Generator 18hp
    $299.99

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  30. Befaco Trolley Bus
    Befaco Trolley Bus Eurorack Power Supply + Busboard
    $249.99

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  31. 12% off Befaco M2.5 Knurlies Eurorack Screws
    Befaco M2.5 Knurlies Eurorack Screws
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    As low as $21.87
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  32. VC ADSR Envelope Generator
    Befaco VC ADSR Envelope Generator 8hp
    $179.99

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  33. Befaco 1U STAmp External Input Module
    Befaco 1U ST Amp External Input Module 10hp
    $99.99

    In Stock Available immediately!
  34. Befaco Hex Mix VCA
    Befaco Hex Mix VCA 14hp
    $299.99

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  35. Befaco A*B+C
    Befaco A*B+C Voltage Processor 6hp
    $149.99

    In Stock Available immediately!
  36. Befaco Pony VCO 1U Thru-Zero Oscillator
    Befaco Pony VCO 1U Thru-Zero Oscillator 24hp
    $229.99

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  37. Befaco 1U TRS 7U Case Connector Jacks
    Befaco 1U TRS I/O Breakout Module (for Befaco and Intellijel Cases) 6hp
    $49.99

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  38. Rossum Trident Triple Oscillator
    Rossum Trident Triple Oscillator 30hp
    $899.00

    In Stock Available immediately!
  39. 12% off Befaco Bananuts 3.5mm Jack Nuts - 25 Pack
    Befaco Bananuts 3.5mm Jack Nuts - 25 Pack
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    As low as $10.93
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  40. Satellite Universal CV Generator
    Rossum Satellite Universal CV Generator 12hp
    $399.00

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  41. Save $50 Noise Lab Prime Mover Analog VCO
    Noise Lab Prime Mover Analog VCO 16hp
    • Sale
    $375.00 $325.00
    In Stock Available immediately!
  42. Befaco BF-22 Sallen Key Filter
    Befaco BF-22 Dual MS-20 Modeled VCF (Black) 17hp
    $249.99

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  43. Save $35 Befaco Even VCO
    Befaco Even VCO 8hp
    • Sale
    $249.99 $214.99
    In Stock Available immediately!
  44. Befaco MEX Muxlicer Trigger Expander
    Befaco MEX Muxlicer Trigger Expander 4hp
    $89.99

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  45. Befaco Powskiff PSU, front view
    Befaco Powskiff DC + USB Equipped PSU 4hp
    $199.99

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  46. Befaco Lunch Bus Eurorack Power Supply
    Befaco Lunchbus Eurorack Power Supply
    $119.99

    In Stock Available immediately!
  47. Save $25 Burst Pingable Trigger Generator module, front view
    Befaco Burst Pingable Trigger Generator 8hp
    • Sale
    $189.99 $164.99
    In Stock Available immediately!
  48. Befaco Excalibus Power Bus
    Befaco Excalibus Power Bus
    $124.99

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1-48 of 64 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.