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.
P-RBTDR-3H Reverb Module - Accutronics Belton, Digi-Log, Adjustable Decay
A great digital reverb sound that easily replaces a spring reverberation unit. Stereo outputs may be summed for mono operation. Simple interface: input, output, +5V, and ground
$15.95
P-RBTSE-99FX DSP Module - Accutronics, 99 Effects (Reverb, Chorus, Delay, +)
The BTSE-99FX Effect board provides 99 different digital audio effects to be used in many audio applications that require sound enhancement. Equipped with a superb quality digital effects processing engine which adds that extra punch needed to make sounds truly stand out. Applications:
  • Guitar/ Keyboard/Bass amplifiers and combos
  • Audio mixing consoles / Powered mixing consoles
  • Stand -alone stereo effect units for studio and PA usage
  • Effects pedals
$32.00
P-RKBTSE-16FX Multi Processor Module - Belton, BTSE-16FX
The BTSE-16FX Effect board provides 16 different digital audio effects to be used for mixers or other audio applications that require sound enhancement. Equipped with the superb quality digital effects processing engine which it adds that extra punch needed to make audio presentations truly stand out.
$29.95
P-STIC-X IC Socket - Dual in-line package, 2.54mm Pitch, 7.62mm Spacing
IC component sockets for dual in-line package chips (DIP, PDIP, DIL, DIPP.) These sockets feature ladder style cases with tinned stamped and formed connections.
Starting at $0.15
P-STR-003 Transistor Socket - Cinch, 3 Pin, Phenolic, NOS
New-old-stock transistor sockets made by Cinch. These three pin phenolic sockets offer a more secure hold than the standard machine-pin transistor sockets of today. They can fit a variety of different transistor package sizes. The flat solder lugs can work in point to point builds or in PCBs with appropriate footprints.
$0.75
P-STR-004 Transistor Socket - Mill Max, 3 Pin, Machine Pin, Through Hole
High quality TO package transistor sockets by Mill-Max. These machine pin sockets make swapping transistors in pedals and other projects a simple process. These use a standard TO footprint so they are ready for use on PCBs with matching footprints.
$1.95
P-STTR-15 Machine Pin Socket - Preci-Dip, Break Away, 1 Row, 15 Position
High quality single row machine pin sockets made by Preci-Dip. These sockets are the break-away type and can easily snap into smaller sizes such as 5 separate transistor sockets.
$1.29
P-SW-MACT Switch - Korg, Momentary Tactile Switch, Medium Length Actuator
Genuine Korg momentary switch used in many Korg products.such as the O5R/W, A1, i30, i30HD, OASYS, Trinity, Triton, Triton EX, Triton Studio, and X5DR.
$5.95
P-T-LEHLE-HZ-L Transformer - Lehle, Audio, Line Isolation, High Impedance
The Lehle Transformer HZ is the ideal component to avoid hum loops or to balance and unbalance signals without degrading the sound of high impedance signal sources.
$69.95
P-T-LEHLE-MZ-L Transformer - Lehle, Audio, Line-Bridging, Unbalanced to Balanced
The LEHLE TRANSFORMER MZ is the ideal component to avoid hum loops without degrading the sound. It achieves this through galvanic isolation of low to mid impedance audio signal sources. It can be used as an input or output transformer, for balanced or unbalanced signals.
$47.95
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
$0.45
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.
$0.29
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.
$0.45
R-VADAPT-125 Potentiometer Adapter Sleeve - Converts .125” shaft to ¼"
This nickel-plated brass adapter sleeve converts a 0.125 in. (3.17mm) shaft potentiometer to ¼" shaft (6.35mm), allowing for ¼" knobs to be used on a wider range of potentiometers. The cutout on the sleeve allows the set screw of the knob to secure directly to the shaft of the pot. Depending on the knob used, a longer set screw can be required.
$1.50
R-VADAPT-25 Potentiometer Adapter Sleeve - Converts 6mm or 18T shaft to ¼"
This brass adapter sleeve converts a 6mm shaft potentiometer or 18T knurled shaft potentiometer to 1/4" shaft (6.35mm), allowing for 1/4" knobs to be used on a wider range of potentiometers. 1/4" tall.
$0.53
R-VAM300KL Potentiometer - Alpha, 300kΩ, Linear, Knurled Shaft, 16mm
Miniature Alpha pot for guitars. 300K linear taper.
$1.50
R-VAMA-SS Potentiometer - Alpha, Audio, Solid Shaft, 16mm
16mm solid shaft audio potentiometers. These pots are a great for any project. The smaller size is useful for builds with limited panel space such as guitar pedals, synthesizer modules, and adding modifications to equipment. Washer and nut included.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Bushing Length: 6.5mm (0.256")
  • Shaft Diameter: 6.35mm ( 0.250")
  • Taper: Audio (Log)
Starting at $1.25
R-VAMA-SS-PC Potentiometer - Alpha, Audio, Solid Shaft, PC Lead, 16mm
Alpha Mini Pots with solid shaft and short PC mount terminals.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Lead Depth from Panel: 3.8 mm (0.150”)
  • Lead Distance from shaft center: 12.5 mm + 3.5 mm (0.492” + 0.138”)
  • Lead Thickness: 0.5 mm (0.020”)
$1.10
R-VAMA-SS-PCL Potentiometer - Alpha, Audio, 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
R-VAML-SS Potentiometer - Alpha, Linear, Solid Shaft, 16mm
16mm solid shaft linear potentiometers. These pots are a great for any project. The smaller size is useful for builds with limited panel space such as guitar pedals, synthesizer modules, and adding modifications to equipment. Washer and nut included.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Busing Length: 6.5mm (0.256")
  • Shaft Diameter: 6.35mm ( 0.250")
  • Taper: Linear
$1.25
R-VAML-SS-PC Potentiometer - Alpha, Linear, Solid Shaft, PC Lead, 16mm
Alpha Mini Pots with solid shaft and short PC mount terminals.
  • Threading: M7 x 0.75
  • Distance between terminals: 5 mm (0.197”)
  • Lead Depth from Panel: 3.8 mm (0.150”)
  • Lead Distance from shaft center: 12.5 mm + 3.5 mm (0.492” + 0.138”)
  • Lead Thickness: 0.5 mm (0.020”)
$1.10
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
R-VAMXA Potentiometer - Alpha, Audio, Knurled Shaft, 16mm
Miniature Alpha pot for guitars. Audio taper.
$1.50
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
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