Eurorack + Modular Synths

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  1. IME Bionic Lester MKIII Digital Filter
    Industrial Music Electronics Bionic Lester MKIII Digital Filter 15hp
    $475.00

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

    In Stock Available immediately!
  3. ALM Busy Circuits Pip Slope MkII
    ALM Busy Circuits Pip Slope Mk II Envelope / LFO 4hp
    $129.99

    Backorder Reserve your order today!

    Out of Stock

    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
  4. ALM TAZM-O Analog Through-Zero Oscillator
    ALM Busy Circuits TAZM-O Analog Through-Zero Oscillator 12hp
    $379.00

    In Stock Available immediately!
  5. ALM Busy Circuits Quaid Megaslope Complex Function Generator
    ALM Busy Circuits Quaid Megaslope Complex Function Generator 19hp
    $299.99

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    Out of Stock

    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
  6. Doepfer A-147-4 Dual VCLFO
    Doepfer A-147-4 Dual VCLFO 8hp
    As low as $194.99
    Multiple Options Make a selection for stock info
  7. ALM MCFx2 Dual State-Variable Filter
    ALM Busy Circuits MCFx2 Dual State-Variable Filter 14hp
    $289.99

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    Out of Stock

    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
  8. Mum M8 S950 Lowpass Filter
    ALM Busy Circuits Mum M8 S950 Lowpass Filter 8hp
    $239.00

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    Out of Stock

    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
  9. Doepfer A-145-4 Quad LFO (Slim Line)
    Doepfer A-145-4 Quad LFO (Slim Line) 4hp
    As low as $99.00
    Multiple Options Make a selection for stock info
  10. A-106-5 -12dB SEM VCF
    Doepfer A-106-5 -12dB SEM VCF 8hp
    $115.00

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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
  11. A-124 VCF5 Wasp Filter
    Doepfer A-124 VCF5 Wasp Filter 8hp
    $105.00

    In Stock Available immediately!
  12. Doepfer A-111-2 High End VCO II / LFO
    Doepfer A-111-2 High End VCO II / LFO 14hp
    As low as $289.00
    Multiple Options Make a selection for stock info
  13. Doepfer A-121-3 Multimode VCF - Slim Line
    Doepfer A-121-3 Multimode VCF (Slim Line) 4hp
    $124.00

    In Stock Available immediately!
  14. A-143-3 Quad LFO
    Doepfer A-143-3 Quad LFO 14hp
    $145.00

    In Stock Available immediately!
  15. Rides in the Storm DMO VC Dual LFO
    Rides in the Storm DMO VC Dual LFO 8hp
    $139.99

    In Stock Available immediately!
  16. A-106-5SE 12dB SEM VCF (Special Edition)
    Doepfer A-106-5SE 12dB SEM VCF (Special Edition) 8hp
    $116.00

    In Stock Available immediately!
  17. Doepfer A-111-3 Micro Precision VCO / LFO
    Doepfer A-111-3 Micro Precision VCO / LFO 4hp
    As low as $179.00
    Multiple Options Make a selection for stock info
  18. Schlappi Engineering Boundary
    Schlappi Engineering Boundary Cycling Slew and Four-Quadrant Multipler 12hp
    As low as $219.00
    Multiple Options Make a selection for stock info
  19. A-143-1 Quad Complex Envelope Generator
    Doepfer A-143-1 Quad Complex Envelope Generator 28hp
    $214.00

    In Stock Available immediately!
  20. 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
  21. A-143-4 Quad VCLFO/VCO
    Doepfer A-143-4 Quad VCLFO/VCO 22hp
    $258.00

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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
  22. A-105-4 Quad Poly SSI VCF
    Doepfer A-105-4 Quad Poly SSI VCF 8hp
    $245.00

    In Stock Available immediately!
  23. Doepfer A-147-2 Voltage Controlled Delayed LFO
    Doepfer A-147-2 Voltage Controlled Delayed LFO 8hp
    As low as $150.00
    Multiple Options Make a selection for stock info
  24. A-106-1 X-Treme Filter
    Doepfer A-106-1 X-Treme Filter 14hp
    $149.00

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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
  25. 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
  26. A-127 VC Triple Resonance Filter
    Doepfer A-127 VC Triple Resonance Filter 28hp
    $198.00

    In Stock Available immediately!
  27. Doepfer A-147-5 Quad VCLFO Standard Edition
    Doepfer A-147-5 Quad VCLFO 4hp
    As low as $129.99
    Multiple Options Make a selection for stock info
  28. 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
  29. Doepfer A-171-2
    Doepfer A-171-2 Voltage Controlled Slew Processor / Generator 8hp
    As low as $153.00
    Multiple Options Make a selection for stock info
  30. 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
  31. A-145 LFO
    Doepfer A-145 LFO 8hp
    $85.00

    In Stock Available immediately!
  32. A-101-6 Opto FET Filter / Phaser
    Doepfer A-101-6 Opto FET Filter / Phaser 8hp
    $128.00

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    Out of Stock

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

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

    In Stock Available immediately!
  35. A-104 Trautonium Formant Filter
    Doepfer A-104 Trautonium Formant Filter 20hp
    $179.00

    In Stock Available immediately!
  36. Doepfer A-141-2
    Doepfer A-141-2 Voltage Controlled Envelope Generator 14hp
    As low as $169.00
    Multiple Options Make a selection for stock info
  37. A-102 Diode Low Pass Filter
    Doepfer A-102 Diode Low Pass Filter 8hp
    $115.00

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  38. A-146 LFO2 Variable Waveform LFO
    Doepfer A-146 LFO2 Variable Waveform LFO 8hp
    $88.00

    In Stock Available immediately!
  39. VoicAs 2^LFO Dual Analog LFO
    VoicAs 2^LFO Dual Analog LFO 4hp
    $69.00

    In Stock Available immediately!
  40. 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
  41. A-128 Fixed Filter Bank
    Doepfer A-128 Fixed Filter Bank 20hp
    $230.00

    In Stock Available immediately!
  42. Rides in the Storm SED Discrete VCF + VCA
    Rides in the Storm SED Discrete VCF + VCA 8hp
    $145.99

    In Stock Available immediately!
  43. A-123-2 6/12/18/24dB Highpass
    Doepfer A-123-2 6/12/18/24dB Highpass 8hp
    $150.00

    In Stock Available immediately!
  44. IME Kermit MKIII Quad Modulation Source
    Industrial Music Electronics Kermit MKIII Quad Modulation Source 12hp
    $475.00

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    Out of Stock

    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
  45. Rides in the Storm HFG High Pass Filter
    Rides in the Storm HFG High Pass Filter 6hp
    $129.99

    Preorder New release—reserve yours today!

    Preorder

    We're awaiting our full initial batch of this item—pre-order to reserve your place in line! Customer orders are fulfilled in the order in which they are received.
  46. ALM Busy Circuits Mum M8 S950 Lowpass Filter [USED]
    ALM Busy Circuits Mum M8 S950 Lowpass Filter 8hp
    • USED
    $199.00

    In Stock Available immediately!

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.