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Eurorack + Modular Synths

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  1. BASTL Instruments Pizza Crust Drum Voice
    BASTL Instruments Pizza Crust Drum Voice 8hp
    • NEW
    $299.99

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  2. Frap Tools Bagai Analog Sample + Hold
    Frap Tools Bagai Analog Sample + Hold 12hp
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    $299.99

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  3. Expert Sleepers ES-9
    Expert Sleepers ES-9 Eurorack Audio + CV Interface 16hp
    $635.00

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  4. BASTL Neo Trinity 6-Channel Modulation Hub
    BASTL Instruments Neo Trinity 6-Channel Modulation Hub 8hp
    $320.00

    In Stock Available immediately!
  5. BASTL Instruments Ikarie Stereo Filter
    BASTL Instruments Ikarie Stereo Filter 8hp
    $299.00

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  6. BASTL SoftPop 2 Semi-Modular Synthesizer
    BASTL Instruments SoftPop 2 Semi-Modular Synthesizer
    $559.00

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  7. Save $50 Expert Sleepers Super Disting EX Plus Alpha
    Expert Sleepers Super Disting EX Plus Alpha 8hp
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    $399.00 $349.00
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  8. Disting MK4 Multifunction Module
    Expert Sleepers Disting MK4 Multifunction Module 4hp
    $195.00

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  9. BASTL Pizza FM + Waveshape Oscillator
    BASTL Instruments Pizza FM + Waveshaping Oscillator 8hp
    $299.99

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  10. Frap Tools 411 Quad VCA
    Frap Tools 411 Quad VCA 6hp
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    $139.99

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  11. Expert Sleepers FH-2, front view
    Expert Sleepers FH-2 Factotum USB MIDI Host + MIDI-CV 8hp
    $309.00

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  12. Save $130 Frap Tools Cunsa Quad Multi-Mode Filter
    Frap Tools Cunsa Quad Multi-Mode Filter 42hp
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    $999.00 $869.00
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  13. Fumana Spectral Filter Bank
    Frap Tools Fumana Spectral Filter Bank 42hp
    $999.00

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  14. Save $60 ES-8 USB Audio Interface
    Expert Sleepers ES-8 USB Audio Interface 8hp
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    $459.00 $399.00
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  15. Save $40 BASTL Basil Flexible Stereo Space Delay
    BASTL Instruments Basil Flexible Stereo Space Delay 8hp
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    $299.99 $259.99
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  16. Plum Audio OCP X 3U Ornament & Crime
    Plum Audio OCP X 3U Ornament & Crime 10hp
    As low as $349.00
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  17. Expert Sleepers FHX-8CV FH-2 Factotum Expander
    Expert Sleepers FHX-8CV FH-2 Expander 4hp
    $145.00

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  18. Save $40 BASTL Aikido Dynamic Quad VCA + Mixer
    BASTL Instruments Aikido Dynamic Quad VCA + Mixer 11hp
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    $287.00 $247.00
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  19. Plum Audio 1uO_c 4ROBOTS Ornament & Crime
    Plum Audio 1uO_c 4ROBOTS Ornament & Crime 30hp
    As low as $349.00
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  20. Expert Sleepers Little Mikey Preamp
    Expert Sleepers Little Mikey Preamp 8hp
    $175.00

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  21. 13% off Plum Audio ADVA 3U Analog Multimode Filter
    Plum Audio ADVA 3U Analog Multimode Filter 6hp
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    As low as $259.00
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  22. Frap Tools Brenso Complex Oscillator
    Frap Tools Brenso Complex Oscillator 30hp
    $639.00

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  23. Plum Audio ADVA 1U Analog Multimode Filter
    Plum Audio ADVA 1U Analog Multimode Filter 22hp
    As low as $299.00
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  24. Save $20 ES-5 mk3 Expander for ES-3
    Expert Sleepers ES-5 mk3 Expander for ES-3 4hp
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    $125.00 $105.00
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  25. Save $65 Sapel Tamed Random
    Frap Tools Sapel Tamed Random 18hp
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    $499.00 $434.00
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  26. Save $65 Frap Tools QSC
    Frap Tools QSC Creative Mixer Quad Stereo Channel 18hp
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    $499.00 $434.00
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  27. Plum Audio Ro'ved 1U Macro Oscillator
    Plum Audio Ro'ved 1U Macro Oscillator 28hp
    As low as $299.00
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  28. Plum Audio Apex X 1U
    Plum Audio Apex X 1U Multi-function CV Generator
    As low as $249.00
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  29. 13% off Plum Audio Rack Plumber HD (Pair)
    Plum Audio Rack Plumber HD (Pair) 6hp
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    As low as $139.00
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  30. BASTL Kompas Probabilistic Trigger Generator
    BASTL Instruments Kompas Probabilistic Trigger Generator 5hp
    $158.00

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  31. Frap Tools Falistri Movement Manager
    Frap Tools Falistri Movement Manager 18hp
    $469.99

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

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  33. Cinnamon VC State Variable Filter (Black)
    BASTL Instruments Cinnamon VC State Variable Filter (Black) 5hp
    $182.00

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  34. Future Sound Systems TG5 Gristleizer Preamp
    Future Sound Systems TG5 Gristleizer Preamp 14hp
    $359.00

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  35. Save $45 BASTL Instruments Dark Matter Feedback Processor
    BASTL Instruments Dark Matter Feedback Processor 13hp
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    $346.00 $301.00
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  36. 12% off Expert Sleepers Tiny MIDI Breakout Expander
    Expert Sleepers Tiny MIDI Breakout Expander 2hp
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    $55.00 $48.13
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  37. 13% off Plum Audio 1uT_u 4ROBOTS Temps Utile
    Plum Audio 1uT_u 4ROBOTS Temps Utile 24hp
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    As low as $294.00
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  38. 12% off Plum Audio VASAT 1U Expandable Mixer
    Plum Audio VASAT 1U Expandable Mixer
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    As low as $69.13
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  39. 12% off 333 Mixer + Distributor
    Frap Tools 333 Mixer + Distributor 6hp
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    $99.00 $86.63
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  40. Expert Sleepers ES-7 mk2
    Expert Sleepers ES-7 CV Input Expander 4hp
    $99.00

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  41. 12% off 321 Scale + Flip + Shift + Combine
    Frap Tools 321 Scale + Flip + Shift + Combine 6hp
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    $99.00 $86.63
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  42. ABC 6 CH Mixer (Black)
    BASTL Instruments ABC 6 CH Mixer (Black) 5hp
    $134.00

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  43. Save $20 Kastle Handheld Modular Synthesizer (v1.5)
    BASTL Instruments Kastle Handheld Modular Synthesizer (v1.5)
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    $132.00 $112.00
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  44. 13% off Plum Audio Rack Plumber 3U - Pair
    Plum Audio Rack Plumber 3U - Pair 4hp
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    As low as $104.00
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  45. Plus Row Extension Pack - 4 x 42HP
    Frap Tools Plus Row Extension Pack - 4 x 42HP
    $235.00

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

    In Stock Available immediately!
  47. Save $30 BASTL Ciao!! Quad Line Output
    BASTL Instruments Ciao!! Quad Line Output 5hp
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    $224.00 $194.00
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  48. Expert Sleepers MIDI Breakout Expander
    Expert Sleepers MIDI Breakout Expander 4hp
    $50.00

    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.