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Eurorack + Modular Synths

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  1. EarthQuaker Devices The Wave Transformer
    EarthQuaker Devices The Wave Transformer Analog Oscillator 20hp
    $199.00

    In Stock Available immediately!
  2. Save $130 Frap Tools Cunsa Quad Multi-Mode Filter
    Frap Tools Cunsa Quad Multi-Mode Filter 42hp
    • Sale
    $999.00 $869.00
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  3. Save $45 Random*Source Serge VCFQ Variable Q VCF VCFX Eurorack
    Random Source Serge Variable Q Filter (VCFQ) 14hp
    • Sale
    $339.99 $294.99
    In Stock Available immediately!
  4. Random Source Serge Resonant EQ
    Random Source Serge Resonant EQ (RESEQ) 18hp
    $449.99

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  5. Frap Tools Brenso Complex Oscillator
    Frap Tools Brenso Complex Oscillator 30hp
    $639.00

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

    In Stock Available immediately!
  7. Frap Tools QSC
    Frap Tools QSC Creative Mixer Quad Stereo Channel 18hp
    $499.00

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  8. Serge New Timbral Oscillator (NTO)
    Random Source Serge New Timbral Oscillator (NTO) 18hp
    $549.99

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  9. 321 Scale + Flip + Shift + Combine
    Frap Tools 321 Scale + Flip + Shift + Combine 6hp
    $99.00

    In Stock Available immediately!
  10. Sapel Tamed Random
    Frap Tools Sapel Tamed Random 18hp
    $499.00

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  11. 333 Mixer + Distributor
    Frap Tools 333 Mixer + Distributor 6hp
    $99.00

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  12. Random Source Serge GTO
    Random Source Serge GTO Complex Multi-Function Module 18hp
    $399.99

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  13. Random Source Serge Precision VCO
    Random Source Serge Precision VCO Analog Oscillator (PCO) 14hp
    $389.99

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  14. Save $60 Random Source Serge Active Pro / Noise / CV-Pro
    Random Source Serge Active Pro / Noise / CV-Pro 18hp
    • Sale
    $449.99 $389.99
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  15. Random Source Serge Ring Modulator
    Random Source Serge Ring Modulator 10hp
    $309.99

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  16. Serge Divide by N Comparator (NCOM)
    Random Source Serge Divide by N Comparator (NCOM) 10hp
    $269.99

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  17. Random Source Serge SEQ 8 XL Sequencer Programmer
    Random Source SEQ8 XL Serge Sequencer + Programmer 42hp
    $589.99

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  18. Save $25 Frap Tools CGM Group
    Frap Tools CGM Creative Mixer Group 6hp
    • Sale
    $199.00 $174.00
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  19. Save $50 Random Source Serge Variable Bandwidth Filter
    Random Source Serge Variable Bandwidth Filter (VCF2) 18hp
    • Sale
    $399.99 $349.99
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  20. Random Source Serge GTS Slope Generator III
    Random Source Serge GTS Slope Generator III 26hp
    • NEW
    $499.99

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  21. Random Source Serge Dual Universal Slope Generator DUSG Eurorack
    Random Source Serge Dual Universal Slope Generator MK2 (DSG) 26hp
    $479.99

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  22. Save $45 Random Source Serge SSG Smooth & Stepped Function Generator Eurorack Module
    Random Source Serge Smooth & Stepped Generator (SSG) 18hp
    • Sale
    $359.99 $314.99
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  23. Frap Tools CGM Stereo Channel
    Frap Tools CGM Creative Mixer Stereo Channel 6hp
    $199.00

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  24. Random Source Haible VC Poly Resonator
    Random Source Haible VC Poly Resonator 18hp
    $449.99

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  25. Serge Triple+ Waveshaper (TWS+)
    Random Source Serge Triple+ Waveshaper (TWS+) 18hp
    $299.99

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  26. Save $45 Random Source Serge Variable Slope Filter
    Random Source Serge Variable Slope Filter (VCFS) 14hp
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    $339.99 $294.99
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  27. Earthquaker Afterneath Reverb - Eurorack
    EarthQuaker Devices Afterneath Reverb - Eurorack 16hp
    $199.00

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  28. Save $60 Random Source Serge Extended ADSR
    Random Source Serge Extended ADSR 18hp
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    $329.99 $269.99
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  29. Save $65 Serge Equal Power Stereo Mixer (SM)
    Random Source Serge Equal Power Stereo Mixer (SM) 18hp
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    $489.99 $424.99
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  30. Save $40 Frap Tools Masterone CGM Output Module
    Frap Tools Masterone CGM Output Module 12hp
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    $299.00 $259.00
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  31. Random Source Haible Living VCOs
    Random Source Haible Living VCOs 42hp
    $859.99

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  32. Random Source Haible TAU Phaser
    Random Source Haible TAU Phaser 18hp
    $399.99

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  33. Save $50 Noise Lab Prime Mover Analog VCO
    Noise Lab Prime Mover Analog VCO 16hp
    • Sale
    $375.00 $325.00
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  34. Serge Wave Multipliers (VCM)
    Random Source Serge Wave Multipliers (VCM) 18hp
    $359.99

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  35. Fumana Spectral Filter Bank
    Frap Tools Fumana Spectral Filter Bank 42hp
    $999.00

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  36. Save $95 Frap Tools USTA Complex Sequencer
    Frap Tools USTA Complex Sequencer 36hp
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    $749.00 $654.00
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  37. Plus Row Extension Pack - 4 x 42HP
    Frap Tools Plus Row Extension Pack - 4 x 42HP
    $235.00

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  38. PLUS Module Case - 42HP
    Frap Tools PLUS Module Case - 42HP
    $69.90

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  39. Ø3 Black Plastic Washers (100 Pack)
    Frap Tools Ø3 Black Plastic Washers (100 Pack)
    $9.90

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  40. M3 Stainless Steel Square Nuts (100 Pack)
    Frap Tools M3 Stainless Steel Square Nuts (100 Pack)
    $5.00

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  41. M3 x 6mm Button Head Hex Cap Screws (100 Pack)
    Frap Tools M3 x 6mm Button Head Hex Cap Screws (100 Pack)
    $9.90

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  42. Random Source Pont-Neuf Format Converter
    Random Source Serge Pont-Neuf Format Converter 10hp
    $99.99

    In Stock Available immediately!
  43. 12% off Frap Tools Aluminum Plus Sides
    Frap Tools Aluminum Plus Sides
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    As low as $25.38
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  44. Frap Tools Plus Row Extension Pack - 2 x 42HP
    Frap Tools Plus Row Extension Pack - 2 x 42HP
    $125.00

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1-48 of 58 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.