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Eurorack + Modular Synths

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

    In Stock Available immediately!
  2. ACL Sinfonion Complex Harmonic CV Processor
    ACL Sinfonion Complex Harmonic CV Processor 42hp
    $1,145.00

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

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  4. Zadar Quad Envelope Generator
    XAOC Devices Zadar Quad Envelope 10hp
    $379.00

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  5. Xaoc Devices Odessa Additive Oscillator
    XAOC Devices Odessa Additive Synthesis Oscillator 24hp
    $559.00

    In Stock Available immediately!
  6. ALM Busy Circuits Squid Salmpler
    ALM Busy Circuits Squid Salmple 21hp
    $499.00

    In Stock Available immediately!
  7. XAOC Devices Batumi II
    XAOC Devices Batumi II 1974 Quadruple Low Frequency Oscillator 10hp
    $369.99

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  8. XAOC Timiszoara Voltage-Controlled DSP Effects
    XAOC Devices Timiszoara Voltage-Controlled DSP Effects 10hp
    $379.00

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

    In Stock Available immediately!
  10. XAOC Sofia Waveshaping Analog Oscillator
    XAOC Devices Sofia Waveshaping Analog Oscillator 24hp
    $490.00

    In Stock Available immediately!
  11. 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!
  12. XAOC Drezno II 1989 Binary Conversion Komputor
    XAOC Devices Drezno II 1989 Binary Conversion Komputor 12hp
    $339.99

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  13. XAOC Koszalin Stereo VC Frequency Shifter
    XAOC Devices Koszalin Stereo VC Frequency Shifter 10hp
    $349.00

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  14. Save $50 Belgrad Dual Peak Filter
    XAOC Devices Belgrad Dual Peak Filter 14hp
    • Sale
    $379.00 $329.00
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  15. ALM ALM-CS 6U Powered Eurorack Case
    ALM Busy Circuits ALM-CS 6U Powered Eurorack Case
    As low as $349.99
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  16. XAOC Devices Moskwa II Eight-Step Sequencer
    XAOC Devices Moskwa II Eight-Step Sequencer 20hp
    $419.00

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  17. Save $20 ALM PPexp1 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp1 Pamela's Pro Workout Expander 4hp
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    $149.00 $129.00
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  18. ACL Multifunction Discrete VCO Ocillator
    ACL Multifunction Discrete VCO Oscillator 26hp
    $959.00

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  19. XAOC Devices Rostock 1989 Binary Data Pipeline
    XAOC Devices Rostock 1989 Binary Data Pipeline 8hp
    $299.99

    In Stock Available immediately!
  20. XAOC Devices Zagrzeb Stereo Filter
    XAOC Devices Zagrzeb Stereo Filter 8hp
    $299.00

    In Stock Available immediately!
  21. Save $45 ALM Busy Circuits ASQ-1 Sequencer
    ALM Busy Circuits ASQ-1 Sequencer 32hp
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    $349.99 $304.99
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  22. ALM Busy Circuits Pip Slope MkII
    ALM Busy Circuits Pip Slope Mk II Envelope / LFO 4hp
    $129.99

    In Stock Available immediately!
  23. Tallin Dual Discrete Core VCA
    XAOC Devices Tallin Dual Discrete Core VCA 6hp
    $195.00

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  24. XAOC Devices Jena Binary Transfunctioner
    XAOC Devices Jena Binary Transfunctioner 8hp
    $280.00

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  25. Save $25 ALM Busy Circuits MCO Morphing Wavetable Oscillator
    ALM Busy Circuits MCO Morphing Wavetable Oscillator 6hp
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    $169.99 $144.99
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  26. ALM Busy Circuits Quaid Megaslope Complex Function Generator
    ALM Busy Circuits Quaid Megaslope Complex Function Generator 19hp
    $299.99

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  27. Praga Voltage Controlled Mixer
    XAOC Devices Praga Voltage Controlled Mixer 20hp
    $549.00

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  28. ALM ALM-CS 9U Powered Eurorack Case - 84HP
    ALM Busy Circuits ALM-CS 9U Powered Eurorack Case - 84HP
    $549.99

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

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  30. XAOC Devices Erfurt Binary Phase Accumulator
    XAOC Devices Erfurt Binary Phase Accumulator 6hp
    $170.00

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  31. XAOC Devices Sarajewo Syncable Analog Delay
    XAOC Devices Sarajewo Syncable Analog Delay 12hp
    $499.00

    In Stock Available immediately!
  32. 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
  33. Tangle Quartet Quad VCA Mixer
    ALM Busy Circuits Tangle Quartet Quad VCA Mixer 8hp
    $199.00

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

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  35. Save $20 ALM Busy Circuits mmMIDI MIDI to CV Converter
    ALM Busy Circuits mmMIDI MIDI to CV Converter 4hp
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    $149.99 $129.99
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  36. Lipsk Drezno Expander
    XAOC Devices Lipsk Drezno Expander 6hp
    $175.00

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  37. Akemie's Taiko FM Drum Voice
    ALM Busy Circuits Akemie's Taiko FM Drum Voice 18hp
    $349.99

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  38. ALM Busy Circuits MFD Stereo Crossfader
    ALM Busy Circuits MFD Stereo Crossfader 6hp
    $169.99

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  39. XAOC Devices Samara II Audio / CV Mixer
    XAOC Devices Samara II Audio / CV Mixer 10hp
    $219.00

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  40. ALM Busy Circuits HPO Headphone Output Eurorack Module
    ALM Busy Circuits HPO Headphone Output 2hp
    $79.99

    In Stock Available immediately!
  41. Sewastopol II Audio Port and Voltage Extractor
    XAOC Devices Sewastopol II Audio Port and Voltage Extractor 10hp
    $299.00

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

    In Stock Available immediately!
  43. ALM Boss Bow Two Switch + Signal Router
    ALM Busy Circuits Boss Bow Two Switch + Signal Router 8hp
    $199.99

    In Stock Available immediately!
  44. Variable Sync VCO
    ACL Variable Sync VCO 16hp
    $516.00

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  45. XAOC Devices Gera Binary Product Commander
    XAOC Devices Gera Binary Product Commander 6hp
    $170.00

    In Stock Available immediately!

1-48 of 169 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.