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-N Resistors - ¼ Watt, Metal Film, 1% tolerance
Package of 5
Metal Film resistors consist of a resistive element of an extremely thin layer of metal alloy vacuum deposited on a substrate. Precise and quiet. Package of 5. These resistors are perfect for pedal builders! 1/4 watt.
$1.80
C-ETRX-50 Capacitor - 50V, Radial Lead, Electrolytic
Package of 5
High quality, radial leaded, aluminum electrolytic capacitors rated at 50VDC.
$0.49
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
C-ETRX-25 Capacitor - 25V, Radial Lead, Electrolytic
Package of 5
High quality, radial leaded, aluminum electrolytic capacitors rated at 25VDC.
Starting at $0.49
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-C Resistors - ¼ Watt, Carbon Film, 5% tolerance
Package of 5
Carbon Film resistors are made by vacuum depositing a thin carbon film on a ceramic form. A good choice for applications which require a steady, low power drop. Package of 5. These resistors are perfect for pedal builders!
  • 1/4 watt
  • ± 5% tolerance
  • EIA color coded
  • .24" long x .08" diameter
  • Package of 5
$1.72
P-L700-X LED - 5mm, Water Clear, High Brightness, Package of 5
Package of 5
Colors Available:
High brightness 5mm LED. Great for use in pedal and amp builds as well as other applications where a bold, bright, indicator is needed. Multiple colors available.
  • 5mm size
  • Water clear
  • High brightness
  • Multiple colors available
  • Package of 5
Starting at $1.30
P-L600-X LED - 3mm, Water Clear, High Brightness, Package of 5
Package of 5
Colors Available:
High brightness 3mm LED. Great for use in pedal builds and other applications where a bold, bright, indicator is needed. Multiple colors available.
  • 3mm size
  • Water clear
  • High brightness
  • Multiple colors available
  • Package of 5
Starting at $1.30
R-G Resistors - ⅛ Watt, Metal Film, 1% tolerance
Package of 5
Metal Film resistors consist of a resistive element of an extremely thin layer of metal alloy vacuum deposited on a substrate. Precise and quiet. These 1/8W resistors have a very small body and are great for tight builds.
$0.65
P-K380X Knob - Small, Indicator Line, set screw
Colors Available:
New!:
The P-K380 is a high quality Davies 1510 clone. This classic design can be found on countless pedals, synths, amps and other equipment. The set screw uses a metal insert for additional stability and durability. This knob has an infilled painted indicator and fits 1/4" (6.35mm) pot shafts. The P-K380 pairs nicely with the color matched P-K801-BRASS-X knobs.
Starting at $0.70
P-K900X Knob - Chicken Head, mini, high-quality, brass insert, Set Screw
Colors Available:
New!:
High quality miniature chicken head knob with set screw for smaller applications. 0.90" long nose to tail. Mini Davies 2300 clone.
$0.79
S-W33 Wire - 22 AWG Solid Core, PVC, 600V, 50 Foot Roll
Colors Available:
600V solid wire. UL style 1015, rated to 105 degrees C. Perfect for new projects, rewiring electrical equipment, or use in breadboards, perfboard, and veroboard/stripboard.
$8.95
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
P-K370X Knob - Black, White Line, Silver Top, Set Screw, Boss Style
Black knob with white line, silver top, set screw and brass insert. Fits ¼" shaft with set screw. These Boss style knobs come in a variety of sizes. See P-K383X for an unskirted version.
Starting at $1.35
P-L300X LED - 3mm diameter, diffused lens, 3.6 mCd
Package of 5
Colors Available:
Lens Diameter: 3 mm Overall Height: 5.4 mm Lens Type: Diffused Multiple color options available.
$0.70
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
S-W22 Wire - 22 AWG Stranded Core, PVC, 600V, 50 Foot Roll
Colors Available:
600V stranded. Strands are tinned individually. See photos for detail. UL style 1015, rated to 105 degrees C. Perfect for new projects or rewiring any electrical equipment.
$7.95
R-VAML-SS-PCL Potentiometer - Alpha, Linear, Solid Shaft, Long PC Lead, 16mm
Alpha Mini Pots with solid shaft and long PC mount terminals.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Lead Depth from Panel: 10.7 mm + 5 mm (0.421” + 0.197”)
  • Lead Distance from shaft center: 16 mm (0.630”)
  • Lead Thickness: 0.5 mm (0.020”)
$1.10
P-H54-CAP-X Switch Accessory - Mini Toggle Caps
Colors Available:
Rubber caps for mini toggle switches in a variety of colors. These are made for standard sized toggle bats.
Starting at $0.39
P-K800X Knob - Mini Indicator, Set Screw, 15mm x 11mm
Colors Available:
New!:
Mini fluted knob with infilled indicator line. Pairs well with the larger P-K850X. Fits ¼” (6.35mm) pot shafts.
  • Height: 11mm
  • Diameter: 15mm
  • Fits 1/4" shaft with set screw
$0.75
P-K345X Knob - Plastic, Set Screw, MXR Style, 0.9" Diameter
Colors Available:
New!:
Large plastic knobs with set screw and brass insert. Similar to the knobs used on many classic Dunlop / MXR pedals. These knobs have a fluted grip with an indicator line as well as a dot indicator on the skirt. Fits ¼” (6.35mm) pot shafts.
Starting at $0.95
S-HNFW-M3-X Washer - Flat, M3, Nylon, for Front Panels
Package of 10
Colors Available:
High quality nylon M3 flat washers. These durable washers fit perfectly on M3 threaded screws. The small outside diameter provides a clean look beneath the head of the screw. These are great mounting washers for preventing rack rash on front panels like Eurorack synths or any other use where the surface beneath the screw requires protection.
$0.95
P-K655X Knob - Aluminum, Set Screw, Short Line, 0.495" Diameter
Colors Available:
Anodized aluminum knob with short indicator line and set screw. This slim, solid aluminum knob has a straight knurled grip with a diameter of 0.495”. It also features a counterbore which allows it to hide pot bushings for a clean look. Fits ¼” (6.35mm) pot shafts.
$1.65
P-Q1N5408 Diode - standard recovery rectifier, 3A, 1000V, 1N5408
1N5408 Diode. Lead mounted standard recovery rectifiers are designed for use in power supplies and other applications having need of a device with the following features:
  • High Current to Small Size
  • High Surge Current Capability
  • Low Forward Voltage Drop
$0.38
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