Eurorack + Modular Synths

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  1. ADDAC System ADDAC508 Swell Physics
    ADDAC System ADDAC508 Swell Physics 10hp
    • NEW
    $359.99

    In Stock Available immediately!
  2. Expert Sleepers ES-9
    Expert Sleepers ES-9 Eurorack Audio + CV Interface 16hp
    $635.00

    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. ES-8 USB Audio Interface
    Expert Sleepers ES-8 USB Audio Interface 8hp
    $459.00

    In Stock Available immediately!
  5. Expert Sleepers FH-2, front view
    Expert Sleepers FH-2 Factotum USB MIDI Host + MIDI-CV 8hp
    $309.00

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

    In Stock Available immediately!
  7. ADDAC 112 VC Looper & Granular Processor
    ADDAC System ADDAC112 VC Looper and Granular Processor 45hp
    $699.99

    In Stock Available immediately!
  8. ADDAC System ADDAC107 Acid Source Synth Voice
    ADDAC System ADDAC107 Acid Source Synth Voice 9hp
    $249.99

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

    Backorder Reserve your order today!
  10. ES-3 MK4 Lightpipe to CV Interface
    Expert Sleepers ES-3 MK4 Lightpipe to CV Interface 8hp
    $209.00

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

    Backorder Reserve your order today!
  12. Expert Sleepers FHX-8CV FH-2 Factotum Expander
    Expert Sleepers FHX-8CV FH-2 Expander 4hp
    $145.00

    In Stock Available immediately!
  13. ADDAC ADDAC506 Stochastic Function Generator
    ADDAC System ADDAC506 Stochastic Function Generator 20hp
    $430.00

    In Stock Available immediately!
  14. LZX Industries DSG3 Dual Shape Generator
    LZX Industries DSG3 Dual Shape Generator 12hp
    $499.00

    In Stock Available immediately!
  15. Expert Sleepers Otterley Multi-LFO
    Expert Sleepers Otterley Multi-LFO 8hp
    • NEW
    $199.00

    Preorder New release—reserve yours today!
  16. ADDAC 200 PI Pedal Integrator Black
    ADDAC System ADDAC200PI Pedal Integrator 4hp
    $115.00

    In Stock Available immediately!
  17. LZX Industries ESG3 RGB Video Encoder
    LZX Industries ESG3 RGB Video Encoder 12hp
    $499.00

    In Stock Available immediately!
  18. ADDAC ADDAC603 VC Triple Bandpass Filter
    ADDAC System ADDAC603 VC Triple Bandpass Filter 22hp
    $430.00

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

    In Stock Available immediately!
  20. LZX Industries SMX3 Matrix Mixer
    LZX Industries SMX3 Matrix Mixer 12hp
    $399.00

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

    Backorder Reserve your order today!
  22. ADDAC303 Muscle Sensing (Black)
    ADDAC System ADDAC303 Muscle Sensing CV Generator (Black) 4hp
    $215.00

    Backorder Reserve your order today!
  23. LZX Industries Scrolls Dual Ramp Generator
    LZX Industries Scrolls Dual Ramp Generator 12hp
    $499.00

    In Stock Available immediately!
  24. LZX Industries DWO3 Dual Video Oscillator
    LZX Industries DWO3 Dual Video Oscillator 12hp
    $499.00

    In Stock Available immediately!
  25. ADDAC503 Marble Physics
    ADDAC System ADDAC503 Marble Physics 10hp
    $395.00

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

    In Stock Available immediately!
  27. Expert Sleepers Lorelei Oscillator
    Expert Sleepers Lorelei Analog Oscillator 8hp
    $189.00

    Backorder Reserve your order today!
  28. Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
    $55.00

    Backorder Reserve your order today!
  29. ADDAC System ADDAC807C (Black)
    ADDAC System ADDAC807C VC Stereo Mixer Expansion (Black) 38hp
    $710.00

    In Stock Available immediately!
  30. ADDAC System 104 VC T-Networks (Black)
    ADDAC System ADDAC104 VC T-Networks (Black) 8hp
    $195.00

    In Stock Available immediately!
  31. ES-6 mk3 CV to Lightpipe Interface
    Expert Sleepers ES-6 mk3 CV to Lightpipe Interface 4hp
    $160.00

    Backorder Reserve your order today!
  32. Expert Sleepers MIDI Breakout Expander
    Expert Sleepers MIDI Breakout Expander 4hp
    $50.00

    In Stock Available immediately!
  33. Expert Sleepers Pandora
    Expert Sleepers Pandora Analog Bandpass Filter + Distortion 8hp
    $199.00

    In Stock Available immediately!
  34. Expert Sleepers CVM-8
    Expert Sleepers CVM-8 CV to MIDI + I2C Converter 4hp
    $225.00

    In Stock Available immediately!
  35. ADDAC System 102 VC FM Radio (Black)
    ADDAC System ADDAC102 VC FM Radio (Black) 8hp
    $360.00

    In Stock Available immediately!
  36. ADDAC System ADDAC213B (Black)
    ADDAC System ADDAC213B Eurorack Bridge Expansion (Black) 3hp
    $105.00

    Backorder Reserve your order today!
  37. ESX-8CV Mk2 Expansion
    Expert Sleepers ESX-8CV Mk2 Expansion 4hp
    $175.00

    In Stock Available immediately!
  38. ADDAC System 215 Dual S&H+ (Black)
    ADDAC System ADDAC215 Dual S&H+ (Black) 6hp
    $155.00

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

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

    Backorder Reserve your order today!
  41. LZX Stacker Triple Quadrilateral Key Generator
    LZX Industries Stacker Triple Quadrilateral Key Generator 8hp
    $269.00

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

    Backorder Reserve your order today!
  43. ADDAC System 103 T-Networks (Black)
    ADDAC System ADDAC103 T-Networks (Black) 6hp
    $125.00

    In Stock Available immediately!
  44. LZX Industries Ribbons 3-Bit Video Digitizer
    LZX Industries Ribbons 3-Bit Video Digitizer 8hp
    $299.00

    Backorder Reserve your order today!
  45. 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!
  46. ADDAC ADDAC800X High-End Audio Outputs
    ADDAC System ADDAC800X High-End Outputs 8hp
    $475.00

    Backorder Reserve your order today!
  47. ADDAC 803 Quadraphonic Spatializer (Black)
    ADDAC System ADDAC803 Quadraphonic Spatializer 14hp
    $475.00

    In Stock Available immediately!

1-48 of 144 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.