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Eurorack + Modular Synths

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  1. Expert Sleepers FHX-8CV FH-2 Factotum Expander
    Expert Sleepers FHX-8CV FH-2 Expander 4hp
    $145.00

    In Stock Available immediately!
  2. Erica Synths Bassline Module (Black)
    Erica Synths Bassline Synth Voice 14hp
    $349.00

    In Stock Available immediately!
  3. Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
    $55.00

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

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

    In Stock Available immediately!
  6. Weston Audio B2 Kick Drum + Bass Voice
    Weston Precision Audio B2 Kick Drum + Bass Voice 14hp
    $295.00

    In Stock Available immediately!
  7. Expert Sleepers MIDI Breakout Expander
    Expert Sleepers MIDI Breakout Expander 4hp
    $50.00

    In Stock Available immediately!
  8. General CV MIDI-Based Sound Source
    Expert Sleepers General CV MIDI-Based Sound Source 12hp
    $349.00

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

    Out of Stock Reserve your order today!
  10. Pico Voice
    Erica Synths Pico Voice 3hp
    $149.00

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

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

    Out of Stock Reserve your order today!
  13. Expert Sleepers ESX-8GT mk3 Gate Expansion front view
    Expert Sleepers ESX-8GT mk3 Gate Expansion 4hp
    $75.00

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  14. Erica Synths Pico System III - Eurorack
    Erica Synths Pico System III - Eurorack 42hp
    $489.00

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

    In Stock Available immediately!
  16. Roland System-500 510 module, front view
    Roland SYS-510 Synthesizer Voice 20hp
    $429.99

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  17. Black VCO Expander
    Erica Synths Black VCO Expander 10hp
    $139.00

    In Stock Available immediately!
  18. Erica Synths Black Code Source Expander Eurorack Module
    Erica Synths Black Code Source Expander 6hp
    $79.00

    In Stock Available immediately!
  19. ES-40 SPDIF Interface
    Expert Sleepers ES-40 SPDIF Interface 6hp
    $125.00

    In Stock Available immediately!
  20. Sequential Switch CV Expander V2
    Erica Synths Sequential Switch CV Expander V2 8hp
    $119.00

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  21. Black Pre-Fade Listen Expander
    Erica Synths Black Pre-Fade Listen Expander 6hp
    $95.00

    In Stock Available immediately!
  22. Erica Synths Logo T-Shirt
    Erica Synths Logo T-Shirt
    As low as $19.99
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  23. Black CV Expander
    Erica Synths Black CV Expander 8hp
    $109.00

    In Stock Available immediately!
  24. Erica Synths Black VCF Coupler
    Erica Synths Black VCF Coupler 8hp
    $109.00

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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.