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Eurorack + Modular Synths

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  1. Save $80 Expert Sleepers ES-9
    Expert Sleepers ES-9 Eurorack Audio + CV Interface 16hp
    • Sale
    $635.00 $555.00
    In Stock Available immediately!
  2. Save $50 Qu-Bit Electronix Nautilus
    Qu-Bit Electronix Nautilus Sub-Nautical Complex Delay Network 14hp
    • Sale
    $399.00 $349.00
    In Stock Available immediately!
  3. Expert Sleepers Super Disting EX Plus Alpha
    Expert Sleepers Super Disting EX Plus Alpha 8hp
    $399.00

    In Stock Available immediately!
  4. Qu-Bit Mojave Stereo Live Granular Processor
    Qu-Bit Electronix Mojave Stereo Live Granular Processor 14hp
    $399.00

    In Stock Available immediately!
  5. Qu-Bit Data Bender Stereo Circuit Bent Effect
    Qu-Bit Electronix Data Bender Stereo Circuit Bent Effect 14hp
    As low as $399.00
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  6. ES-8 USB Audio Interface
    Expert Sleepers ES-8 USB Audio Interface 8hp
    $459.00

    In Stock Available immediately!
  7. Qu-Bit Aurora Spectral Reverb Eurorack Module
    Qu-Bit Electronix Aurora Stereo Spectral Reverb 12hp
    $379.00

    In Stock Available immediately!
  8. Qu-Bit Electronix Bloom Fractal Sequencer
    Qu-Bit Electronix Bloom Fractal Sequencer 16hp
    $399.00

    Backorder Reserve your order today!
  9. Expert Sleepers FH-2, front view
    Expert Sleepers FH-2 Factotum USB MIDI Host + MIDI-CV 8hp
    $309.00

    In Stock Available immediately!
  10. Disting MK4 Multifunction Module
    Expert Sleepers Disting MK4 Multifunction Module 4hp
    $195.00

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  11. ES-3 MK4 Lightpipe to CV Interface
    Expert Sleepers ES-3 MK4 Lightpipe to CV Interface 8hp
    $209.00

    In Stock Available immediately!
  12. 13% off Qu-Bit Surface Physical Modeling Voice
    Qu-Bit Electronix Surface Physical Modeling Voice 10hp
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    As low as $304.00
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  13. Save $20 Expert Sleepers FHX-8CV FH-2 Factotum Expander
    Expert Sleepers FHX-8CV FH-2 Expander 4hp
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    $145.00 $125.00
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  14. Save $65 Nebulae V2 Granular Sampler
    Qu-Bit Electronix Nebulae V2 Granular Sampler 20hp
    • Sale
    $499.00 $434.00
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  15. Expert Sleepers Otterley Multi-LFO
    Expert Sleepers Otterley Multi-LFO 8hp
    • NEW
    $199.00

    Preorder New release—reserve yours today!
  16. Qu-Bit Electronix Chord v2 Polyphonic Oscillator
    Qu-Bit Electronix Chord v2 Polyphonic Oscillator 14hp
    $349.00

    In Stock Available immediately!
  17. Expert Sleepers Little Mikey Preamp
    Expert Sleepers Little Mikey Preamp 8hp
    $175.00

    In Stock Available immediately!
  18. ES-5 mk3 Expander for ES-3
    Expert Sleepers ES-5 mk3 Expander for ES-3 4hp
    $125.00

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  19. Qu-Bit Electronix Prism Multidimensional DSP
    Qu-Bit Electronix Prism Multidimensional DSP 12hp
    $299.00

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  20. Expert Sleepers Lorelei Oscillator
    Expert Sleepers Lorelei Analog Oscillator 8hp
    $189.00

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  21. Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
    $55.00

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  22. ES-6 mk3 CV to Lightpipe Interface
    Expert Sleepers ES-6 mk3 CV to Lightpipe Interface 4hp
    $160.00

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  23. 12% off Expert Sleepers MIDI Breakout Expander
    Expert Sleepers MIDI Breakout Expander 4hp
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    $50.00 $43.75
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  24. Expert Sleepers Pandora
    Expert Sleepers Pandora Analog Bandpass Filter + Distortion 8hp
    $199.00

    In Stock Available immediately!
  25. Trogotronic m/679 Gran Fury Tube Synth
    Trogotronic m/679 Gran Fury Tube Synth 14hp
    $390.00

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  26. Save $30 Expert Sleepers CVM-8
    Expert Sleepers CVM-8 CV to MIDI + I2C Converter 4hp
    • Sale
    $225.00 $195.00
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  27. ESX-8CV Mk2 Expansion
    Expert Sleepers ESX-8CV Mk2 Expansion 4hp
    $175.00

    In Stock Available immediately!
  28. Qu-Bit Electronix Nano Rand V2 Random Source
    Qu-Bit Electronix Nano Rand V2 Random Source 4hp
    $249.00

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  29. m/669 Analog Artifact Synth
    Trogotronic m/669 Analog Artifact Synth 14hp
    $325.00

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  30. Qu-Bit Cascade Ratcheting Envelope Generator / VCA
    Qu-Bit Electronix Cascade Ratcheting Envelope Generator / VCA 10hp
    $299.00

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  31. Expert Sleepers FHX-8GT Gate Expander for FH-2 Factotum
    Expert Sleepers FHX-8GT Gate Expander for FH-2 4hp
    $99.00

    In Stock Available immediately!
  32. m/277 Stereo Tube VCA + External PSU
    Trogotronic m/277 Stereo Tube VCA + External PSU 15hp
    $450.00

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  33. Expert Sleepers Persephone Analog JFET VCA
    Expert Sleepers Persephone Analog JFET VCA 8hp
    $189.00

    In Stock Available immediately!
  34. Qu-Bit QuBit Electronix Scanned Synthesis Wavetable VCO Eurorack Module
    Qu-Bit Electronix Scanned Organic Wavetable VCO 16hp
    $399.00

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  35. Expert Sleepers ES-7 mk2
    Expert Sleepers ES-7 CV Input Expander 4hp
    $99.00

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  36. Expert Sleepers ESX-8GT mk3 Gate Expansion front view
    Expert Sleepers ESX-8GT mk3 Gate Expansion 4hp
    $75.00

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  37. 12% off m/11 VCA / Controller / CV Generator
    Trogotronic m/11 VCA / Controller / CV Generator 4hp
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    $85.00 $74.38
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  38. Synapse Crossfading Switch
    Qu-Bit Electronix Synapse Crossfading Switch 20hp
    $349.00

    In Stock Available immediately!
  39. 14% off Qu-Bit Electronix Chance Random Generator
    Qu-Bit Electronix Chance Random Generator 14hp
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    As low as $256.00
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  40. Trogotronic M658 Mother Mutant - Eurorack
    Trogotronic M658 Mother Mutant Noise Synthesizer - Eurorack 37hp
    $436.00

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  41. ESX-8MD MIDI & DINsync Expansion
    Expert Sleepers ESX-8MD MIDI & DINsync Expansion 10hp
    $160.00

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  42. Save $40 Pulsar Burst Generator
    Qu-Bit Electronix Pulsar Burst Generator 14hp
    • Sale
    $304.00 $264.00
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  43. 14% off Qu-Bit Electronix Contour Quad Envelope
    Qu-Bit Electronix Contour Quad Envelope 20hp
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    As low as $256.00
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  44. Expert Sleepers Cicely Octave Fuzz
    Expert Sleepers Cicely Octave Fuzz 8hp
    $189.00

    In Stock Available immediately!
  45. Save $25 Expert Sleepers Ivo Low Pass Filter
    Expert Sleepers Ivo Analog Low Pass Filter 8hp
    • Sale
    $189.00 $164.00
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  46. Save $35 Expert Sleepers Amelia ADBR Envelope Generator
    Expert Sleepers Amelia Analog ADBR Envelope Generator 8hp
    • Sale
    $185.00 $150.00
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  47. Save $30 Expert Sleepers Aloysius
    Expert Sleepers Aloysius AHDW Envelope Generator 8hp
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    $185.00 $155.00
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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.