Synth & Eurorack Parts / DIY

Our Synth & Eurorack Parts / DIY category is a curated list of items that are commonly found in synth/eurorack projects. The items and filters here do not represent our full lineup of parts. If you don't see what you are looking for, check out our main categories or send us a suggestion and we'll look into adding it.
R-VAR-AX Potentiometer - Alpha, Audio, 9mm, Right Angle
Audio taper (log), right angle, Alpha pots with a 6.35mm shaft diameter. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.85
R-VAR-BX Potentiometer - Alpha, Linear, 9mm, Right Angle
Linear taper, right angle, Alpha pots with a 6.35mm shaft diameter. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.85
R-VAR-C25K Potentiometer - Alpha, Reverse Audio, 9mm, Right Angle, 25KΩ
Reverse audio taper (antilog), right angle, Alpha pots with a 6.35mm shaft diameter. These 9mm pots are poplar in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.85
R-VAV-A100K-11DET Potentiometer - Alpha, Audio, 9mm, Vertical, 11 Detents, 100K
Audio taper, vertical mount, Alpha pots with a 6.35mm shaft diameter featuring 11 detents across the rotation. The 11 detent versions are useful for builds where 1-10 settings are commonly used or if the pot is used as a rotary switch along with a microcontroller. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included. See R-VAV-BX-11DET for linear taper versions.
$2.05
R-VAV-A100K-DUAL Potentiometer - Alpha, Audio, 9mm, Vertical, Dual Gang, 100K
Audio taper, vertical mount, dual gang Alpha pots with a 6.35mm shaft diameter. Dual gang pots are useful for stereo controls and other circuits requiring two separate pots moving in tandem. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included. See R-VAV-BX-DUAL for linear taper versions.
$2.55
R-VAV-AX Potentiometer - Alpha, Audio, 9mm, Vertical
Audio taper (log), vertical mount, Alpha pots with a 6.35mm shaft diameter. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.85
R-VAV-BX Potentiometer - Alpha, Linear, 9mm, Vertical
Linear taper, vertical mount, Alpha pots with a 6.35mm shaft diameter. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.85
R-VAV-BX-11DET Potentiometer - Alpha, Linear, 9mm, Vertical, 11 Detents
Linear taper, vertical mount, Alpha pots with a 6.35mm shaft diameter featuring 11 detents across the rotation. The 11 detent versions are useful for builds where 1-10 settings are commonly used or if the pot is used as a rotary switch along with a microcontroller. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included. See R-VAV-A100K-11DET for an audio taper version.
$2.05
R-VAV-BX-CN Potentiometer - Alpha, Linear, 9mm, Vertical, Center Notch
Linear taper, vertical mount, Alpha pots with a 6.35mm shaft diameter and a center notch (detent). The center notch is useful for builds where the center position of the pot is commonly used such as panners or EQ controls. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.95
R-VAV-BX-DUAL Potentiometer - Alpha, Linear, 9mm, Vertical, Dual Gang
Linear taper, vertical mount, dual gang Alpha pots with a 6.35mm shaft diameter. Dual gang pots are useful for stereo controls and other circuits requiring two separate pots moving in tandem. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included. See R-VAV-A100K-DUAL for an audio taper version.
$2.55
R-VAV-C50K Potentiometer - Alpha, Reverse Audio, 9mm, Vertical, 50KΩ
Reverse audio taper (antilog), vertical mount, Alpha pots with a 6.35mm shaft diameter. These 9mm pots are poplar in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.85
R-VC-FLATWASHER Washer - CTS, Flat, for Potentiometers
Package of 10
Flat washer for 3/8" bushing. Perfect fit for CTS potentiometers. Package of 10.
$1.25
R-VC-NUT Nut - CTS, 3/8-32, Nickel, for 450 Series Potentiometers
Replacement nut for CTS 450 series potentiometers and others.
  • 3/8-32 threading
  • Sold individually
$0.35
R-VM-NUT-2 Nut - M8x0.75 hex, for potentiometers / switches / jacks
Package of 5
M8 x 0.75 threaded hex nut. For use on potentiometers, switches, and jacks.
$1.25
R-VNUT-38 Nut & Washer - Panel, for ⅜" Potentiometers
Replacement nut and washer for pots with a ⅜" bushing diameter.
$0.70
R-VNUT-38-X Nut & Washer - Panel, for ⅜" Potentiometers and Jacks
Package of 100
Replacement nut and washer for pots and jacks that feature a ⅜" bushing with 3/8-32 threading. Sold in packs containing 100 nuts and 100 washers.
$25.00
R-VPC01 Photocell - Morley, for Effects Pedals
Photocell for Morley effects pedals. Great replacement for LDR1, LDR2 and LDR3 (M79-211564-000) in Morley Pro Series Volume PVO. Sold individually.
A photocell may also be referred to as a photoresistor, LDR, or light dependant resistor.
$2.50
R-VSHL-AX Potentiometer - Song Huei, Audio, 9mm, Tall
Audio taper, vertical mount, Song Huei pots with a 6mm shaft. These 9mm pots are popular in DIY guitar pedals, modular synthesizers, and other projects where space is limited. The knurled shaft features a painted indicator line so no knob is required. These tall versions have a 17mm shaft length and a total height of 25mm. For linear taper versions, see R-VSHL-BX. For center notched, linear taper versions, see R-VSHL-BX-CN.
$0.86
R-VSHL-BX Potentiometer - Song Huei, Linear, 9mm, Tall
Linear taper, vertical mount, Song Huei pots with a 6mm shaft. These 9mm pots are popular in DIY guitar pedals, modular synthesizers, and other projects where space is limited. The knurled shaft features a painted indicator line so no knob is required. These tall versions have a 17mm shaft length and a total height of 25mm. For audio taper versions, see R-VSHL-AX. For center notched linear taper versions, see R-VSHL-BX-CN.
$0.86
R-VSHL-BX-CN Potentiometer - Song Huei, Center Notched, Linear, 9mm, Tall
Linear taper, vertical mount, Song Huei pots with a 6mm shaft and a notched center position sometimes called a center detent. These 9mm pots are popular in DIY guitar pedals, modular synthesizers, and other projects where space is limited. The knurled shaft features a painted indicator line so no knob is required. These tall versions have a 17mm shaft length and a total height of 25mm. For audio taper versions, see R-VSHL-AX. For standard linear taper versions, see R-VSHL-BX.
$0.86
R-VT96Y-X Trimmer - Bourns, 3296Y, Multiturn, Top Adjust, PCB Mount
High-quality Bourns 3296Y trimpots. These sealed cermet trimmers have 25 turns for precision setting. ±10% tolerance.
$1.65
R-VTL5C1 Optocoupler - XVive, VTL5C1, Vactrol, for Channel Switching
VTL5C1 vactrols for use in amplifiers, effect pedals, synthesizers and more. The VTL5C1 was commonly used for channel switching circuits in amps made by Crate and others.
$7.95
R-VTL5CX Optocoupler - Xvive, Vactrol, VTL5C Series
High quality vactrols from Xvive. The Xvive vactrols are clones of the original Excelitas / Perkins-Elmer vactrols used in many effects pedals, synthesizers, compressors and other equipment. These vactrols feature a thick epoxy sealed casing. The VTL5C3 and VTL5C3/2 both have a steep slope, good dynamic range, a very low temperature coefficient of resistance, and a small light history memory.
Starting at $5.50
S-H-BANANA-X Banana Jack - Johnson Cinch, For 4mm Plugs, Panel Mount
Colors Available:
High quality banana jacks with tinned brass contacts and strong nylon housings. These jacks come in a wide variety of colors and work well with any 4mm banana plug. Cinch Johnson banana jacks are used in test equipment, audio equipment, as well as modular synthesizers such as DIY Buchla, Serge, and others. Features:
  • Formed brass contacts
  • Bright tin finish
  • Durable nylon 6/6 body
  • Nickel plated nut
  • 0.010Ω maximum contact resistance
  • Keyed mounting with two flatted sides
Starting at $0.95
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