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Eurorack + Modular Synths

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

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

    Out of Stock Reserve your order today!
  3. ES-8 USB Audio Interface (Bitwig Edition)
    Expert Sleepers ES-8 USB Audio Interface (Bitwig Edition) 8hp
    $459.00

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

    Out of Stock Reserve your order today!
  5. Expert Sleepers MIDI Breakout Expander
    Expert Sleepers MIDI Breakout Expander 4hp
    $50.00

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

    In Stock Available immediately!
  7. ES-3 MK4 Lightpipe to CV Interface
    Expert Sleepers ES-3 MK4 Lightpipe to CV Interface 8hp
    $209.00

    Out of Stock Reserve your order today!
  8. ES-6 mk2 CV to Lightpipe Interface
    Expert Sleepers ES-6 mk2 CV to Lightpipe Interface 4hp
    $160.00

    In Stock Available immediately!
  9. ESX-8CV Mk2 Expansion
    Expert Sleepers ESX-8CV Mk2 Expansion 4hp
    $175.00

    Out of Stock Reserve your order today!
  10. Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
    $55.00

    Out of Stock Reserve your order today!
  11. ES-5 mk3 Expander for ES-3
    Expert Sleepers ES-5 mk3 Expander for ES-3 4hp
    $125.00

    In Stock Available immediately!
  12. 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!
  13. Expert Sleepers ES-7 mk2
    Expert Sleepers ES-7 CV Input Expander 4hp
    $99.00

    In Stock Available immediately!
  14. SND/RTN FX Send
    Malekko Heavy Industry SND/RTN FX Send 4hp
    $125.00

    Out of Stock Reserve your order today!
  15. ESX-8MD MIDI & DINsync Expansion
    Expert Sleepers ESX-8MD MIDI & DINsync Expansion 10hp
    $160.00

    In Stock Available immediately!
  16. Expert Sleepers ESX-8GT mk3 Gate Expansion front view
    Expert Sleepers ESX-8GT mk3 Gate Expansion 4hp
    $75.00

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

    Preorder New release—reserve yours today!
  18. ES-40 SPDIF Interface
    Expert Sleepers ES-40 SPDIF Interface 6hp
    $125.00

    In Stock Available immediately!
  19. DIN Sync Expander
    Malekko Heavy Industry DIN Sync Expander 4hp
    $99.00

    In Stock Available immediately!
  20. CV / Gate Sync Expander
    Malekko Heavy Industry CV / Gate Sync Expander 4hp
    $125.00

    In Stock Available immediately!

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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.