Eurorack + Modular Synths

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  1. Frap Tools Cunsa Quad Multi-Mode Filter
    Frap Tools Cunsa Quad Multi-Mode Filter 42hp
    $999.00

    In Stock Available immediately!
  2. A-124SE VCF5 Wasp Filter (Special Edition)
    Doepfer A-124SE VCF5 Wasp Filter (Special Edition) 8hp
    $105.00

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    We're awaiting our next batch of this item. Pre-order to reserve your place in line and we'll fulfill your order as soon as we receive our shipment
  3. ADDAC System ADDAC601 Black VC Fixed Filterbank
    ADDAC System ADDAC601 VC Fixed Filterbank 20hp
    $430.00

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  4. ADDAC ADDAC603 VC Triple Bandpass Filter
    ADDAC System ADDAC603 VC Triple Band Pass Filter 22hp
    $430.00

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  5. ADDAC System ADDAC604 Dual Filter (Black)
    ADDAC System ADDAC604 Dual Filter (Black) 6hp
    $215.00

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  6. A-106-5 -12dB SEM VCF Filter
    Doepfer A-106-5 -12dB SEM VCF Filter 8hp
    $115.00

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  7. A-180-9 Multicore (Pair)
    Doepfer A-180-9 Multicore (Pair) 4hp
    $124.99

    In Stock Available immediately!
  8. Doepfer A-121s Stereo Multimode Filter
    Doepfer A-121s Stereo Multimode Filter 12hp
    As low as $260.00
    Multiple Options Make a selection for stock info
  9. 333 Mixer + Distributor
    Frap Tools 333 Mixer + Distributor 6hp
    $99.00

    In Stock Available immediately!
  10. A-105-4 Quad Poly SSI VCF Filter
    Doepfer A-105-4 Quad Poly SSI VCF Filter 8hp
    $245.00

    In Stock Available immediately!
  11. Doepfer A-120 VCF1 24dB Low Pass Filter
    Doepfer A-120 VCF1 24dB Low Pass Filter 8hp
    As low as $130.00
    Multiple Options Make a selection for stock info
  12. A-124 VCF5 Wasp Filter
    Doepfer A-124 VCF5 Wasp Filter 8hp
    $105.00

    In Stock Available immediately!
  13. ADDAC ADDAC311 Ultra Floor Control (Black)
    ADDAC System ADDAC311 Ultra Floor Control (Black) 6hp
    $420.00

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  14. A-104 Trautonium Formant Filter
    Doepfer A-104 Trautonium Formant Filter 20hp
    $179.00

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  15. ADDAC System ADDAC309 CV to Expression Utility
    ADDAC System ADDAC309 CV to Expression Utility 4hp
    $69.99

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  16. Doepfer A-183-9 Quad USB Power Supply
    Doepfer A-183-9 Quad USB Power Supply 2hp
    $69.00

    In Stock Available immediately!
  17. ADDAC ADDAC705 Stinggy Filter
    ADDAC System ADDAC705 Stinggy Filter 8hp
    $265.00

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  18. A-101-6 Opto FET Filter / Phaser
    Doepfer A-101-6 Opto FET Filter / Phaser 8hp
    $128.00

    In Stock Available immediately!
  19. Doepfer A-121-3 Multimode VCF - Slim Line
    Doepfer A-121-3 Multimode VCF Filter (Slim Line) 4hp
    $124.00

    In Stock Available immediately!
  20. MachineRoom Filth Ladder Filter
    MachineRoom Filth Ladder Filter 10hp
    $239.99

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  21. A-106-5SE 12dB SEM VCF Filter (Special Edition)
    Doepfer A-106-5SE 12dB SEM VCF Filter (Special Edition) 8hp
    $116.00

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  22. A-103 VCF6 18dB Low Pass Filter
    Doepfer A-103 VCF6 18dB Low Pass Filter 8hp
    $104.00

    In Stock Available immediately!
  23. A-128 Fixed Filter Bank
    Doepfer A-128 Fixed Filter Bank 20hp
    $230.00

    In Stock Available immediately!
  24. A-127 VC Triple Resonance Filter
    Doepfer A-127 VC Triple Resonance Filter 28hp
    $198.00

    In Stock Available immediately!
  25. A-108 is a voltage-controlled low-pass filter inspired by the classic Moog ladder filter.
    Doepfer A-108 48dB Filter 12hp
    $196.00

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  26. ADDAC ADDAC301 Floor Control
    ADDAC System ADDAC301 Floor Control 4hp
    $92.00

    In Stock Available immediately!
  27. Doepfer A-101-1 Vactrol Steiner Filter
    Doepfer A-101-1 Vactrol Steiner Filter 16hp
    As low as $169.00
    Multiple Options Make a selection for stock info
  28. Doepfer A-105-2V 24dB SSI Low Pass Filter
    Doepfer A-105-2 24dB SSI Low Pass Filter 4hp
    As low as $139.99
    Multiple Options Make a selection for stock info
  29. Doepfer A-121-2 12dB Multimode Filter
    Doepfer A-121-2 12dB Multimode Filter 8hp
    As low as $138.00
    Multiple Options Make a selection for stock info
  30. ADDAC ADDAC305 Manual Latches
    ADDAC System ADDAC305 Manual Latches 8hp
    $120.00

    In Stock Available immediately!
  31. ADDAC ADDAC217 Quad Gate to Trigger (Black)
    ADDAC System ADDAC217 Quad Gate to Trigger (Black) 3hp
    $92.00

    In Stock Available immediately!
  32. ADDAC System ADDAC301B Pedal Attenuator (Red)
    ADDAC System ADDAC301B Pedal Attenuator (Red) 4hp
    $86.00

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

    In Stock Available immediately!
  34. ADDAC ADDAC611 Gotharman's VC Tube Filter
    ADDAC System ADDAC611 Gotharman's VC Tube Filter 12hp
    $385.00

    In Stock Available immediately!
  35. ADDAC ADDAC702 Dual VC Filter
    ADDAC System ADDAC702 Dual VC Filter 16hp
    $440.00

    In Stock Available immediately!
  36. A-106-1 X-Treme Filter
    Doepfer A-106-1 X-Treme Filter 14hp
    $149.00

    In Stock Available immediately!
  37. MachineRoom 204D Dual VCF Ladder Lowpass Filter
    MachineRoom 204D Dual VCF Ladder Low Pass Filter 12hp
    $239.99

    In Stock Available immediately!
  38. A-102 Diode Low Pass Filter
    Doepfer A-102 Diode Low Pass Filter 8hp
    $115.00

    In Stock Available immediately!
  39. MachineRoom 204D VCF Ladder Lowpass Filter
    MachineRoom 204D VCF Ladder Low Pass Filter 10hp
    $159.99

    In Stock Available immediately!
  40. ADDAC System 213A Eurorack Bridge (Black)
    ADDAC System ADDAC213A Eurorack Bridge (Black) 6hp
    $120.00

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  41. ADDAC System ADDAC200S Size Matter (Black)
    ADDAC System ADDAC200S Size Matter (Black) 4hp
    $63.00

    In Stock Available immediately!
  42. A-123-2 6/12/18/24dB High Pass Filter
    Doepfer A-123-2 6/12/18/24dB High Pass Filter 8hp
    $150.00

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  43. ADDAC 304 Manual Gates
    ADDAC System ADDAC304 Manual Gates 8hp
    $105.00

    In Stock Available immediately!
  44. Save $10 Doepfer A-121-2 12dB Multimode Filter
    Doepfer A-121-2 12dB Multimode Filter 8hp
    • DEMO
    • Sale
    $138.00 $128.00
    In Stock Available immediately!
  45. Doepfer A-121-3 Multimode VCF (Slim Line) [USED]
    Doepfer A-121-3 Multimode VCF (Slim Line) 4hp
    • USED
    $109.00

    In Stock Available immediately!
  46. Doepfer A-183-9 Quad USB Power Supply [USED]
    Doepfer A-183-9 Quad USB Power Supply 2hp
    • USED
    $59.99

    In Stock Available immediately!

1-46 of 46 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.