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Eurorack + Modular Synths

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  1. ALM Busy Circuits ASQ-1 Sequencer
    ALM Busy Circuits ASQ-1 Sequencer 32hp
    • NEW
    $365.00

    In Stock Available immediately!
  2. ALM MFX Stereo Multi-Effects Processor
    ALM Busy Circuits MFX Stereo Multi-Effects Processor 6hp
    • STAFF PICK
    $299.00

    Out of Stock Reserve your order today!
  3. Pamela's NEW Workout
    ALM Busy Circuits Pamela's NEW Workout 8hp
    $325.00

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

    Out of Stock Reserve your order today!
  5. IME Kermit MKIII Quad Modulation Source
    Industrial Music Electronics Kermit MKIII Quad Modulation Source 12hp
    $400.00

    Out of Stock Reserve your order today!
  6. The Harvestman Industrial Music Electronics Piston Honda Mk III Wavetable Oscillator Eurorack Module
    Industrial Music Electronics Piston Honda MKIII Dual Wavetable Oscillator 17hp
    $525.00

    Out of Stock Reserve your order today!
  7. IME Bionic Lester MKIII Digital Filter
    Industrial Music Electronics Bionic Lester MKIII Digital Filter 15hp
    $475.00

    Out of Stock Reserve your order today!
  8. The Harvestman Hertz Donut mk3 Digital FM Oscillator
    Industrial Music Electronics Hertz Donut MKIII Digital FM Oscillator 17hp
    $525.00

    Out of Stock Reserve your order today!
  9. ALM Busy Circuits Tyso Daiko Dual Drum Voice
    ALM Busy Circuits Tyso Daiko Dual Drum Voice 14hp
    $349.00

    In Stock Available immediately!
  10. PEXP-1 Pamela's New Workout Expander
    ALM Busy Circuits PEXP-1 Pamela's New Workout Expander 4hp
    $115.00

    In Stock Available immediately!
  11. ALM Jumble Henge Stereo Spectral Mixer
    ALM Busy Circuits Jumble Henge Stereo Spectral Mixer 8hp
    $285.00

    In Stock Available immediately!
  12. Akemie's Taiko FM Drum Voice
    ALM Busy Circuits Akemie's Taiko FM Drum Voice 18hp
    $319.00

    In Stock Available immediately!
  13. ALM Busy Circuits System Coupe Modular System
    ALM Busy Circuits System Coupe Modular System
    $2,349.00

    In Stock Available immediately!
  14. ALM Busy Circuits mmMIDI MIDI to CV Converter
    ALM Busy Circuits mmMIDI MIDI to CV Converter 4hp
    $115.00

    Out of Stock Reserve your order today!
  15. ALM Busy Circuits MCO Morphing Wavetable Oscillator
    ALM Busy Circuits MCO Morphing Wavetable Oscillator 6hp
    $169.00

    In Stock Available immediately!
  16. ALM Busy Circuits Pip Slope MkII
    ALM Busy Circuits Pip Slope Mk II Envelope / LFO 4hp
    $130.00

    In Stock Available immediately!
  17. ALM MCFx2 Dual State-Variable Filter
    ALM Busy Circuits MCFx2 Dual State-Variable Filter 14hp
    $289.00

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

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

    Out of Stock Reserve your order today!
  20. ALM Busy Circuits HPO Headphone Output Eurorack Module
    ALM Busy Circuits HPO Headphone Output 2hp
    $69.00

    In Stock Available immediately!
  21. Schlappi 100 Grit Touch-Controlled Distortion
    Schlappi Engineering 100 Grit Touch-Controlled Distortion 14hp
    As low as $260.00
    Multiple Options Make a selection for stock info
  22. ALM Busy Circuits Axon-1 Squid Salmple Expander
    ALM Busy Circuits Axon-1 Expander for Squid Salmple / MFX 4hp
    $139.99

    In Stock Available immediately!
  23. PEXP-2 Pamela's New Workout Expander
    ALM Busy Circuits PEXP-2 Pamela's New Workout Expander 2hp
    $75.00

    In Stock Available immediately!
  24. S.B.G. Pedal Interface
    ALM Busy Circuits S.B.G. Pedal Interface 4hp
    $130.00

    In Stock Available immediately!
  25. ALM Boss Bow Two Switch + Signal Router
    ALM Busy Circuits Boss Bow Two Switch + Signal Router 8hp
    $189.99

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

    In Stock Available immediately!
  27. Schlappi Engineering Angle Grinder
    Schlappi Engineering Angle Grinder Quadrature Oscillator + Waveshaper 18hp
    As low as $310.00
    Multiple Options Make a selection for stock info
  28. Mum M8 S950 Lowpass Filter
    ALM Busy Circuits Mum M8 S950 Lowpass Filter 8hp
    $239.00

    In Stock Available immediately!
  29. ALM Busy Circuits Quaid Megaslope Complex Function Generator
    ALM Busy Circuits Quaid Megaslope Complex Function Generator 19hp
    $295.00

    In Stock Available immediately!
  30. Rides in the Storm QEG Quad Envelope
    Rides in the Storm QEG Quad Envelope 20hp
    $250.00

    Out of Stock Reserve your order today!
  31. Beast's Chalkboard Octave Switch
    ALM Busy Circuits Beast's Chalkboard Octave Switch 6hp
    $135.00

    In Stock Available immediately!
  32. Schlappi Engineering Interstellar Radio
    Schlappi Engineering Interstellar Radio Complex Noise Oscillator 14hp
    As low as $195.00
    Multiple Options Make a selection for stock info
  33. Rides in the Storm QAM Quad Active Multiple
    Rides in the Storm QAM Quad Active Multiple 4hp
    $69.99

    Out of Stock Reserve your order today!
  34. Rides in the Storm FEG Loopable ADSR EG
    Rides in the Storm FEG Loopable ADSR EG 4hp
    $69.99

    In Stock Available immediately!
  35. Schlappi Engineering Boundary
    Schlappi Engineering Boundary Cycling Slew and Four-Quadrant Multipler 12hp
    As low as $219.00
    Multiple Options Make a selection for stock info
  36. SID GUTS Deluxe C64 Voice
    ALM Busy Circuits SID GUTS Deluxe C64 Voice 19hp
    $425.00

    Out of Stock Reserve your order today!
  37. ALM Busy Circuits mmT Expander for mmMIDI
    ALM Busy Circuits mmT Expander for mmMIDI 3hp
    $95.00

    In Stock Available immediately!
  38. Modor Comb Filter Eurorack Module
    Modor Comb Filter 14hp
    $310.00

    Out of Stock Reserve your order today!
  39. PE-1 2CH Equalizer
    ALM Busy Circuits PE-1 2CH Equalizer 5hp
    $99.00

    In Stock Available immediately!
  40. Rides in the Storm QPM Quad Passive Multiple
    Rides in the Storm QPM Quad Passive Multiple 4hp
    $39.99

    In Stock Available immediately!
  41. Rides in the Storm XXM 2x4 Mixer
    Rides in the Storm XXM 2x4 Mixer 8hp
    $69.99

    In Stock Available immediately!
  42. Noise Lab Wrinkler Wave Shaper
    Noise Lab Wrinkler Wave Shaper 12hp
    $309.00

    In Stock Available immediately!
  43. Rides in the Storm DOC Discrete VCO
    Rides in the Storm DOC Discrete VCO 6hp
    $99.99

    Out of Stock Reserve your order today!
  44. Rides in the Storm QUA Quad Attenuator
    Rides in the Storm QUA Quad Attenuator 4hp
    $49.99

    Out of Stock Reserve your order today!
  45. Rides in the Storm TUL Dual Attenuverter
    Rides in the Storm TUL Dual Attenuverter 6hp
    $69.99

    Out of Stock Reserve your order today!
  46. Modor Noisy Oscillator
    Modor Noisy Oscillator 22hp
    $379.00

    In Stock Available immediately!
  47. ALM Busy Circuit DIN Sync Adapter
    ALM Busy Circuits Din-Sync Adapter Cable
    $11.99

    In Stock Available immediately!
  48. Argos Bleak Quantizer
    Industrial Music Electronics Argos Bleak Quantizer 15hp
    $465.00

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    Out of stock

1-48 of 69 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.