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Eurorack + Modular Synths

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  1. ALM Cizzle Dual Phase Distortion VCO Eurorack Module
    ALM Busy Circuits CIZZLE Phase Distortion VCO 16hp
    $349.99

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  2. ADDAC ADDAC507 Random Bézier Waves (Black)
    ADDAC System ADDAC507 Random Bézier Waves (Black) 10hp
    • NEW
    $349.99

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  3. ALM MFX Stereo Multi-Effects Processor
    ALM Busy Circuits MFX Stereo Multi-Effects Processor 6hp
    $299.00

    In Stock Available immediately!
  4. ADDAC ADDAC807 VC Stereo Summing Mixer (Black)
    ADDAC System ADDAC807 VC Stereo Summing Mixer (Black) 80hp
    $1,690.00

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  5. ALM Busy Circuits mmMIDI MIDI to CV Converter
    ALM Busy Circuits mmMIDI MIDI to CV Converter 4hp
    $149.99

    In Stock Available immediately!
  6. ALM ALM-CS 6U Powered Eurorack Case
    ALM Busy Circuits ALM-CS 6U Powered Eurorack Case
    As low as $349.99
    Multiple Options Make a selection for stock info
  7. ALM Mega-Tang Stereo Mixer + 4-Channel VCA
    ALM Busy Circuits Mega-Tang Stereo Mixer + 4-Channel VCA 16hp
    $299.99

    In Stock Available immediately!
  8. ALM Busy Circuits ASQ-1 Sequencer
    ALM Busy Circuits ASQ-1 Sequencer 32hp
    $349.99

    In Stock Available immediately!
  9. ADDAC402 Heuristic Rhythm Generator
    ADDAC System ADDAC402 Heuristic Rhythm Generator 20hp
    $520.00

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  10. ALM Busy Circuits Squid Salmpler
    ALM Busy Circuits Squid Salmple 21hp
    $499.00

    In Stock Available immediately!
  11. ADDAC ADDAC901PD 12U Portable Eurorack Case
    ADDAC System ADDAC901PD 12U Portable Eurorack Case
    $969.99

    In Stock Available immediately!
  12. ADDAC 200 PI Pedal Integrator Black
    ADDAC System ADDAC200PI Pedal Integrator 4hp
    $115.00

    In Stock Available immediately!
  13. ADDAC System ADDAC207 Intuitive Quantizer (Black)
    ADDAC System ADDAC207 Intuitive Quantizer 10hp
    $415.00

    In Stock Available immediately!
  14. ALM ALM-CS 3U Powered Eurorack Case
    ALM Busy Circuits ALM-CS 3U Powered Eurorack Case
    As low as $249.99
    Multiple Options Make a selection for stock info
  15. ADDAC 112 VC Looper & Granular Processor
    ADDAC System ADDAC112 VC Looper and Granular Processor 45hp
    $699.99

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  16. ALM PPexp2 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp2 Pamela's Pro Workout Expander 2hp
    $99.00

    In Stock Available immediately!
  17. Akemie's Castle Dual FM Oscillator
    ALM Busy Circuits Akemie's Castle Dual FM Oscillator 38hp
    $599.00

    In Stock Available immediately!
  18. ADDAC ADDAC800X High-End Audio Outputs
    ADDAC System ADDAC800X High-End Outputs 8hp
    $475.00

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  19. ALM PPexp1 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp1 Pamela's Pro Workout Expander 4hp
    $149.00

    In Stock Available immediately!
  20. ADDAC System ADDAC200CT Cable Tester
    ADDAC System ADDAC200CT Cable Tester
    • NEW
    $59.99

    In Stock Available immediately!
  21. ADDAC ADDAC222 CV to Notes
    ADDAC System ADDAC222 CV to Notes 16hp
    $430.00

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  22. ADDAC ADDAC506 Stochastic Function Generator
    ADDAC System ADDAC506 Stochastic Function Generator 20hp
    $430.00

    In Stock Available immediately!
  23. ADDAC ADDAC311 Ultra Floor Control (Black)
    ADDAC System ADDAC311 Ultra Floor Control (Black) 6hp
    $420.00

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  24. ADDAC 802 VCA Quintet Mixing Console
    ADDAC System ADDAC802 VCA Quintet 12hp
    $415.00

    In Stock Available immediately!
  25. ADDAC 403 VC Time Signature Clock Sources
    ADDAC System ADDAC403 VC Time Signature Clock Sources 16hp
    $415.00

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  26. ALM Busy Circuits Mega Milton Compact Utilities
    ALM Busy Circuits Mega Milton Compact Utilities 8hp
    $199.99

    In Stock Available immediately!
  27. Tangle Quartet Quad VCA Mixer
    ALM Busy Circuits Tangle Quartet Quad VCA Mixer 8hp
    $199.00

    In Stock Available immediately!
  28. ADDAC ADDAC221 CV to CC
    ADDAC System ADDAC221 CV to CC 16hp
    $385.00

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  29. ALM TAZM-O Analog Through-Zero Oscillator
    ALM Busy Circuits TAZM-O Analog Through-Zero Oscillator 12hp
    $379.00

    In Stock Available immediately!
  30. ADDAC ADDAC305 Manual Latches
    ADDAC System ADDAC305 Manual Latches 8hp
    $120.00

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  31. ALM Busy Circuits Tyso Daiko Dual Drum Voice
    ALM Busy Circuits Tyso Daiko Dual Drum Voice 14hp
    $349.00

    In Stock Available immediately!
  32. ADDAC System ADDAC710 Balanced Outputs
    ADDAC System ADDAC710 Balanced Outputs 6hp
    $175.00

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  33. ALM Busy Circuits Case Mount Screws M3 / 6mm
    ALM Busy Circuits Case Mount Screws M3 / 6mm
    $29.99

    In Stock Available immediately!
  34. ALM Busy Circuits HPO Headphone Output Eurorack Module
    ALM Busy Circuits HPO Headphone Output 2hp
    $79.99

    In Stock Available immediately!
  35. ADDAC 304 Manual Gates
    ADDAC System ADDAC304 Manual Gates 8hp
    $105.00

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  36. ADDAC System 405 Relabi Generator (Black)
    ADDAC System ADDAC405 VC Relabi Generator (Black) 10hp
    $305.00

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  37. ALM Jumble Henge Stereo Spectral Mixer
    ALM Busy Circuits Jumble Henge Stereo Spectral Mixer 8hp
    $289.99

    In Stock Available immediately!
  38. ALM Busy Circuits Pip Slope MkII
    ALM Busy Circuits Pip Slope Mk II Envelope / LFO 4hp
    $129.99

    In Stock Available immediately!
  39. ADDAC System 103 T-Networks (Black)
    ADDAC System ADDAC103 T-Networks (Black) 6hp
    $125.00

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  40. ADDAC System ADDAC107 Acid Source Synth Voice
    ADDAC System ADDAC107 Acid Source Synth Voice 9hp
    $249.99

    In Stock Available immediately!
  41. ADDAC System ADDAC711 Balanced Inputs
    ADDAC System ADDAC711 Balanced Inputs 6hp
    $249.00

    In Stock Available immediately!
  42. ADDAC System 213A Eurorack Bridge (Black)
    ADDAC System ADDAC213A Eurorack Bridge (Black) 6hp
    $120.00

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  43. Mum M8 S950 Lowpass Filter
    ALM Busy Circuits Mum M8 S950 Lowpass Filter 8hp
    $239.00

    In Stock Available immediately!
  44. ADDAC ADDAC506B
    ADDAC System ADDAC506B Stochastic Function Generator Expansion 2hp
    $115.00

    In Stock Available immediately!
  45. ADDAC System ADDAC604 Dual Filter (Black)
    ADDAC System ADDAC604 Dual Filter (Black) 6hp
    $215.00

    In Stock Available immediately!
  46. O/A/x2 Dual Offset Attenuverter
    ALM Busy Circuits O/A/x2 Dual Offset Attenuverter 4hp
    $100.00

    In Stock Available immediately!

1-48 of 167 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.