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Eurorack + Modular Synths

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  1. Make Noise Maths Function Generator
    Make Noise Maths Function Generator 20hp
    As low as $290.00
    Multiple Options Make a selection for stock info
  2. DivKid øchd Organic Drift LFO
    DivKid øchd Organic Drift LFO 4hp
    $199.00

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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
  3. Befaco M3 Knurlies Eurorack Screws
    Befaco M3 Knurlies Eurorack Screws
    As low as $24.99
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  4. Clank Chaos Clock + CV Generator
    Clank Chaos Clock + CV Generator 12hp
    • STAFF PICK
    $449.99

    In Stock Available immediately!
  5. Make Noise Function
    Make Noise Function Control Voltage Generator 8hp
    $165.00

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  6. Tiptop Buchla 281t Quad Function Generator
    Tiptop Audio Buchla 281t Quad Function Generator 28hp
    $210.00

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  7. Cosmotronic Delta V Black
    Cosmotronic Delta-V Function Generator 10hp
    $220.00

    In Stock Available immediately!
  8. SYS-540 Dual Envelope Generator + LFO
    Roland SYS-540 Dual Envelope Generator + LFO 16hp
    $399.99

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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
  9. Tiptop Z-Rails Eurorack Mounting Rails (Pair)
    Tiptop Audio Z-Rails Eurorack Mounting Rails (Pair)
    As low as $25.00
    Multiple Options Make a selection for stock info
  10. Endorphin.es Grand Terminal Synth Voice
    Endorphin.es Grand Terminal Function Generator + Dual Filter + FX 26hp
    As low as $679.00
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  11. Holocene Air-Wave Modulation Source (Black)
    Holocene Electronics Air-Wave Modulation Source (Black) 10hp
    • NEW
    $249.00

    In Stock Available immediately!
  12. Tiptop Mantis 3-Tier Studio Brackets (White)
    Tiptop Audio Mantis 3-Tier Studio Brackets (White)
    $99.00

    Preorder New release—reserve yours today!

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  13. 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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  14. Tiptop Audio Z-Ears + Z-Rails Desktop Kit
    Tiptop Audio Z-Ears + Z-Rails Desktop Kit
    As low as $65.00
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  15. 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
  16. Simple ADSR Looping Envelope Generator V2
    Blue Lantern Simple ADSR Looping Envelope Generator V2 7hp
    $89.00

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  17. After Later Audio uTides 2 Tidal Modulator
    After Later Audio uTides 2 Tidal Modulator 8hp
    $198.00

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  18. Erica Synths Black DADSR Envelope Generator
    Erica Synths Black DADSR Envelope Generator 10hp
    $199.00

    In Stock Available immediately!
  19. Tiptop Audio Mantis Studio Brackets
    Tiptop Audio Mantis Studio Brackets
    As low as $38.00
    Multiple Options Make a selection for stock info
  20. Erica Synths Black EG2 Envelope Generator
    Erica Synths Black EG2 Envelope Generator 8hp
    $189.00

    In Stock Available immediately!
  21. Tiptop Audio Z-Rails Brackets (Pair)
    Tiptop Audio Z-Rails Brackets (Pair)
    $10.00

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  22. After Later Audio Tilt Function Generator
    After Later Audio Tilt Function Generator 6hp
    $139.00

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  23. AJH Synth MiniMod Dual LFO + VCA
    AJH Synth MiniMod Dual LFO + VCA 10hp
    As low as $289.00
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  24. Cre8audio Function Junction
    Cre8audio Function Junction 16hp
    $199.99

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  25. Doepfer A-111-3 Micro Precision VCO / LFO
    Doepfer A-111-3 Micro Precision VCO / LFO 4hp
    As low as $179.00
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  26. A-143-4 Quad VCLFO/VCO
    Doepfer A-143-4 Quad VCLFO/VCO 22hp
    $258.00

    In Stock Available immediately!
  27. Doepfer A-147-2 Voltage Controlled Delayed LFO
    Doepfer A-147-2 Voltage Controlled Delayed LFO 8hp
    As low as $150.00
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  28. SYS-572 Phase Shifter + Delay + LFO
    Roland SYS-572 Phase Shifter + Delay + LFO 16hp
    $419.99

    In Stock Available immediately!
  29. AUZA Wave Packets Wave Source
    AUZA Wave Packets Wave Source 16hp
    As low as $409.00
    Multiple Options Make a selection for stock info
  30. LMNTL Eurorack Modular Synthesizer Screws M3 Silver Black
    LMNTL Eurorack Modular Screws - M3
    As low as $2.99
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  31. Zone B.F. Dual LFO
    Eowave Zone B.F. Dual LFO 5hp
    $104.00

    In Stock Available immediately!
  32. Ø3 Black Plastic Washers (100 Pack)
    Frap Tools Ø3 Black Plastic Washers (100 Pack)
    $9.90

    In Stock Available immediately!
  33. ADDAC System 405 Relabi Generator (Black)
    ADDAC System ADDAC405 VC Relabi Generator (Black) 10hp
    $305.00

    In Stock Available immediately!
  34. Doepfer A-171-2
    Doepfer A-171-2 Voltage Controlled Slew Processor / Generator 8hp
    As low as $153.00
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  35. Mosaic Low Freq Osc LFO
    Mosaic Low Freq Osc LFO 14hp
    As low as $99.00
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  36. Bubblesound uLFO Modulator
    Bubblesound uLFO Modulator 16hp
    $275.00

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  37. Plum Audio Apex 4ROBOTS 1U
    Plum Audio Apex 4ROBOTS 1U 18hp
    As low as $239.00
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  38. Tall Dog Electronics Simple Skiff Angle Kit
    Tall Dog Electronics Simple Skiff Angle Kit
    $29.00

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  39. IO Instruments Kalyke Dual Function Generator
    IO Instruments Kalyke Dual Function Generator 16hp
    $180.00

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  40. Jolin Lab Gitgud Touch-Controlled LFOs
    Jolin Lab Gitgud Touch-Controlled LFOs 8hp
    $159.99

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  41. LMNTL M2.5 Eurorack Modular Screws
    LMNTL Eurorack Modular Screws - M2.5
    As low as $2.99
    Multiple Options Make a selection for stock info
  42. LMNTL M2.5 Threaded Strips - 84HP (Pair)
    LMNTL M2.5 Threaded Strips for Eurorack Rails - 84HP (Pair)
    $12.99

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  43. 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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  44. Wavefonix Dual Low-Frequency Oscillator (LFO)
    Wavefonix Dual Low-Frequency Oscillator (LFO) 5hp
    As low as $63.00
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  45. Cre8audio NiftyCASE BigEARS Case Joiners
    Cre8audio NiftyCASE BigEARS Case Joiners
    $39.99

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  46. Erica Synths Rack Ears (Pair) - 6U SKIFF
    Erica Synths Rack Ears (Pair) - 6U SKIFF
    $19.00

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  47. New Systems Instruments Inertia
    New Systems Instruments Inertia Universal Movement Simulator 14hp
    $345.00

    In Stock Available immediately!
  48. Neutral Labs Pip
    Neutral Labs Pip Dual Clocked CV Generator + Recorder 8hp
    $239.00

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1-48 of 65 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.