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Eurorack + Modular Synths

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  1. Random Source Serge VC Resonant Equalizer
    Random Source Serge VC Resonant Equalizer (VCRESEQ) 42hp
    • NEW
    $899.99

    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.
  2. Random Source Serge Paperface 50
    Random Source Serge Paperface 50 Modular Synthesizer (Helios + Tempo Di Roma)
    $5,549.99

    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
  3. Random Source Serge Paperface 50 (Helios + TKB)
    Random Source Serge Paperface 50 Modular Synthesizer (Helios + TKB)
    $4,999.99

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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
  4. A-100 PMS12 Monster Case - 12U
    Doepfer A-100 PMS12 Monster Case - 12U
    $1,849.00

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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
  5. Random Source Serge Paperface 50 Paris-Flash
    Random Source Serge Paperface 50 Paris-Flash Modular Synthesizer
    $2,249.99

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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. Random Source Serge GTS Slope Generator III
    Random Source Serge GTS Slope Generator III 26hp
    $499.99

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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
  7. Doepfer A-100 LC9 Low Cost Case - 9U
    Doepfer A-100 LC9 Low Cost Case Eurorack Case - 9U
    As low as $435.00
    Multiple Options Make a selection for stock info
  8. Doepfer A-135-2 Quad VCA / Mixer
    Doepfer A-135-2 Quad VCA / Mixer 8hp
    As low as $119.99
    Multiple Options Make a selection for stock info
  9. Doepfer A-100 PMB Monster Base Eurorack Case PSU3
    Doepfer A-100 PMBsw Monster Base - 6U
    $1,110.00

    In Stock Available immediately!
  10. Doepfer A-100 LC1 Low Cost Case - 3U
    Doepfer A-100 LC1 Low Cost Case Eurorack Case - 3U
    As low as $148.00
    Multiple Options Make a selection for stock info
  11. Doepfer A-140-2 Dual Mini ADSR
    Doepfer A-140-2 Dual Mini ADSR Envelope Generator 8hp
    As low as $172.00
    Multiple Options Make a selection for stock info
  12. Doepfer A-160-2 Clock / Trigger Divider II
    Doepfer A-160-2 Clock / Trigger Divider II 4hp
    As low as $119.00
    Multiple Options Make a selection for stock info
  13. Doepfer A-100 LMS9 Low Cost Monster Case - 9U
    Doepfer A-100 LMS9 Low Cost Monster Case Eurorack Case - 9U
    As low as $929.00
    Multiple Options Make a selection for stock info
  14. Doepfer A-100 LC6 Low Cost Case - 6U
    Doepfer A-100 LC6 Low Cost Case Eurorack Case - 6U
    As low as $375.00
    Multiple Options Make a selection for stock info
  15. Doepfer A-100 LCB Low Cost Base - 6U
    Doepfer A-100 LCB Low Cost Base Eurorack Case - 6U
    As low as $490.00
    Multiple Options Make a selection for stock info
  16. Doepfer A-110-6 Trapezoid Thru Zero Quadrature VCO Eurorack Module
    Doepfer A-110-6 Trapezoid Thru-Zero Quadrature VCO 12hp
    $289.00

    In Stock Available immediately!
  17. A-180-9 Multicore (Pair)
    Doepfer A-180-9 Multicore (Pair) 4hp
    $124.99

    In Stock Available immediately!
  18. Doepfer A-111-4 Quad Precision VCO
    Doepfer A-111-4 Quad Precision VCO 18hp
    As low as $480.00
    Multiple Options Make a selection for stock info
  19. A-128 Fixed Filter Bank
    Doepfer A-128 Fixed Filter Bank 20hp
    $230.00

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

    In Stock Available immediately!
  21. Random Source Serge Variable Bandwidth Filter
    Random Source Serge Variable Bandwidth Filter (VCF2) 18hp
    $399.99

    In Stock Available immediately!
  22. A-135-4A/B VC Performance Mixer (A + B)
    Doepfer A-135-4A/B VC Performance Mixer (A + B) 26hp
    $399.00

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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
  23. Doepfer A-155 Analog/Trigger Sequencer
    Doepfer A-155 Analog/Trigger Sequencer 50hp
    As low as $365.00
    Multiple Options Make a selection for stock info
  24. Doepfer A-149-4 Quad Random Voltage Source
    Doepfer A-149-4 Quad Random Voltage Source 4hp
    $169.00

    In Stock Available immediately!
  25. Doepfer A-190-3
    Doepfer A-190-3 USB / MIDI-to-CV / Gate Interface 6hp
    As low as $159.00
    Multiple Options Make a selection for stock info
  26. Doepfer A-101-8 Photo Phasing
    Doepfer A-101-8 Photo Phasing 4hp
    As low as $149.99
    Multiple Options Make a selection for stock info
  27. Doepfer A-133-2 Dual VC Polarizer
    Doepfer A-133-2 Dual VC Polarizer 4hp
    $99.99

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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
  28. 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
  29. Doepfer A-199 Spring Reverb
    Doepfer A-199 Spring Reverb 8hp
    As low as $147.00
    Multiple Options Make a selection for stock info
  30. A-106-5 -12dB SEM VCF
    Doepfer A-106-5 -12dB SEM VCF 8hp
    $115.00

    In Stock Available immediately!
  31. A-124 VCF5 Wasp Filter
    Doepfer A-124 VCF5 Wasp Filter 8hp
    $105.00

    In Stock Available immediately!
  32. A-139-2 Headphone Amplifier
    Doepfer A-139-2 Headphone Amplifier 6hp
    $68.00

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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. 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
  34. Doepfer A-100 LMB Low Cost Monster Base - 6U
    Doepfer A-100 LMB Low Cost Monster Base Eurorack Case - 6U
    As low as $899.00
    Multiple Options Make a selection for stock info
  35. Future Sound Systems MTX9A Pin Matrix (Active)
    Future Sound Systems MTX9A Pin Matrix (Active) 24hp
    $199.00

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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
  36. Doepfer A-138i Interrupting Mixer - Slim Line
    Doepfer A-138i Interrupting Mixer (Slim Line) 6hp
    $99.00

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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
  37. Doepfer A-154 Sequencer Controller
    Doepfer A-154 Sequencer Controller 22hp
    As low as $218.00
    Multiple Options Make a selection for stock info
  38. 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
  39. A-110-4SE Thru Zero Quadrature VCO (Special Edition)
    Doepfer A-110-4SE Thru Zero Quadrature VCO (Special Edition) 8hp
    $169.00

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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
  40. 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
  41. A-123-2 6/12/18/24dB Highpass
    Doepfer A-123-2 6/12/18/24dB Highpass 8hp
    $150.00

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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
  42. Doepfer A-110-1 Standard VCO
    Doepfer A-110-1 Standard VCO 10hp
    As low as $195.00
    Multiple Options Make a selection for stock info
  43. Doepfer A-110-2 Basic VCO
    Doepfer A-110-2 Basic VCO 8hp
    As low as $148.00
    Multiple Options Make a selection for stock info
  44. 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
  45. Doepfer A-184-1
    Doepfer A-184-1 Ring Modulator / S&H / T&H / Slew Limiter 4hp
    As low as $118.00
    Multiple Options Make a selection for stock info
  46. A-177-2 Foot Controllers
    Doepfer A-177-2 Foot Controllers 4hp
    $60.00

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    Out of Stock

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  47. Doepfer A-138j Inverting/Interrupting Mixer
    Doepfer A-138j Inverting/Interrupting Mixer 6hp
    $119.99

    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
  48. A-163 VC Frequency Divider
    Doepfer A-163 VC Frequency Divider 8hp
    $108.00

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    Out of Stock

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1-48 of 126 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.