Eurorack + Modular Synths

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

    Preorder New release—reserve yours today!
  2. ALM MFX Stereo Multi-Effects Processor
    ALM Busy Circuits MFX Stereo Multi-Effects Processor 6hp
    $299.00

    In Stock Available immediately!
  3. 4MS Catalyst Controller Fader CV Source
    4MS Catalyst Controller Fader CV Source 20hp
    • NEW
    $395.00

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

    In Stock Available immediately!
  5. Cosmotronic Messor Stereo Compressor
    Cosmotronic Messor Stereo Compressor 8hp
    $220.00

    Backorder Reserve your order today!
  6. Cosmotronic Cosmix Pro Stereo Mixer
    Cosmotronic Cosmix Pro Stereo Mixer 22hp
    As low as $399.00
    Multiple Options Make a selection for stock info
  7. ALM Busy Circuits Mega Milton Compact Utilities
    ALM Busy Circuits Mega Milton Compact Utilities 8hp
    $199.99

    In Stock Available immediately!
  8. Cosmotronic Vortex Complex Oscillator
    Cosmotronic Vortex Complex Oscillator 26hp
    $689.00

    Backorder Reserve your order today!
  9. 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!
  10. 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
  11. 4MS Pod64X Desktop Case - 64HP (Powered)
    4MS Pod64X Desktop Case - 64HP (Powered)
    $195.00

    In Stock Available immediately!
  12. ALM PPexp1 Pamela's Pro Workout Expander
    ALM Busy Circuits PPexp1 Pamela's Pro Workout Expander 4hp
    $149.00

    In Stock Available immediately!
  13. 4ms WAVE Recorder module, front view
    4MS WAV Recorder 6hp
    $269.00

    In Stock Available immediately!
  14. 4MS Catalyst Sequencer Fader Phase Sequencer
    4MS Catalyst Sequencer Fader Phase Sequencer 20hp
    • NEW
    $395.00

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

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

    In Stock Available immediately!
  17. 4MS Row Power 45 Eurorack Power Supply
    4MS Row Power 45 Eurorack Power Supply 4hp
    $165.00

    In Stock Available immediately!
  18. ALM Busy Circuits MCO Morphing Wavetable Oscillator
    ALM Busy Circuits MCO Morphing Wavetable Oscillator 6hp
    $169.99

    In Stock Available immediately!
  19. ALM Busy Circuits Quaid Megaslope Complex Function Generator
    ALM Busy Circuits Quaid Megaslope Complex Function Generator 19hp
    $299.99

    In Stock Available immediately!
  20. 4ms Ensemble Oscillator
    4MS Ensemble Oscillator 16hp
    As low as $299.00
    Multiple Options Make a selection for stock info
  21. ALM ALM-CS 9U Powered Eurorack Case - 84HP
    ALM Busy Circuits ALM-CS 9U Powered Eurorack Case - 84HP
    $549.99

    In Stock Available immediately!
  22. ALM Jumble Henge Stereo Spectral Mixer
    ALM Busy Circuits Jumble Henge Stereo Spectral Mixer 8hp
    $289.99

    In Stock Available immediately!
  23. 4MS Pod34X Desktop Case - 34HP (Powered)
    4MS Pod34X Desktop Case - 34HP (Powered)
    $135.00

    In Stock Available immediately!
  24. 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
  25. Tangle Quartet Quad VCA Mixer
    ALM Busy Circuits Tangle Quartet Quad VCA Mixer 8hp
    $199.00

    In Stock Available immediately!
  26. Cosmotronic Delta V Black
    Cosmotronic Delta-V Function Generator 10hp
    $220.00

    Backorder Reserve your order today!
  27. 4MS Pod48X Desktop Case - 48HP (Powered)
    4MS Pod48X Desktop Case - 48HP (Powered)
    $155.00

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

    Backorder Reserve your order today!
  29. Spherical Wavetable Navigator (SWN)
    4MS Spherical Wavetable Navigator (SWN) 26hp
    $599.00

    Backorder Reserve your order today!
  30. ALM Busy Circuits mmMIDI MIDI to CV Converter
    ALM Busy Circuits mmMIDI MIDI to CV Converter 4hp
    $149.99

    In Stock Available immediately!
  31. Akemie's Taiko FM Drum Voice
    ALM Busy Circuits Akemie's Taiko FM Drum Voice 18hp
    $349.99

    Backorder Reserve your order today!
  32. ALM Busy Circuits MFD Stereo Crossfader
    ALM Busy Circuits MFD Stereo Crossfader 6hp
    $169.99

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

    In Stock Available immediately!
  34. Stereo Triggered Sampler
    4MS Stereo Triggered Sampler 20hp
    $450.00

    Backorder Reserve your order today!
  35. Mum M8 S950 Lowpass Filter
    ALM Busy Circuits Mum M8 S950 Lowpass Filter 8hp
    $239.00

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

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

    In Stock Available immediately!
  38. 4ms QCD Quad Clock Distributor
    4MS Quad Clock Distributor 10hp
    $239.00

    In Stock Available immediately!
  39. ALM MCFx2 Dual State-Variable Filter
    ALM Busy Circuits MCFx2 Dual State-Variable Filter 14hp
    $289.99

    In Stock Available immediately!
  40. ALM Busy Circuits Case Mount Screws M3 / 6mm
    ALM Busy Circuits Case Mount Screws M3 / 6mm
    $29.99

    In Stock Available immediately!
  41. 4MS DLD Dual Looping Delay
    4MS DLD Dual Looping Delay 20hp
    As low as $415.00
    Multiple Options Make a selection for stock info
  42. 4ms Pod 20hp Powered Desktop Eurorack Case
    4MS Pod20 Desktop Case - 20HP (Powered)
    $99.00

    In Stock Available immediately!
  43. 4MS Sampler
    4MS Sampler Eurorack Sample Player + Recorder 16hp
    $299.00

    In Stock Available immediately!
  44. 4MS Pod40X Desktop Case - 40HP (Powered)
    4MS Pod40X Desktop Case - 40HP (Powered)
    $145.00

    Backorder Reserve your order today!
  45. 4MS Power Brick - for Pod Series Cases
    4MS Power Brick - for Pod Series Cases
    $15.00

    In Stock Available immediately!
  46. 4ms Pod 26hp Powered Desktop Eurorack Case
    4MS Pod26 Desktop Case - 26HP (Powered)
    $109.00

    In Stock Available immediately!

1-48 of 143 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.