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-L320-X LED Lens - Flat Cylindrical, Fresnel, Polycarbonate, 3mm
Colors Available:
Panel mount LED lenses made of high quality polycarbonate. These flat cylindrical lenses provide a unique retro appearance with a small panel footprint and work well in any project using LED indicators. Features:
  • 0.171” mounting hole
  • For panel thicknesses of 0.031” to 0.094″
  • Fresnel lens
  • Flat cylindrical shape
  • Fits standard 3mm LEDs
$0.85
P-L310-X LED Lens - Fresnel, Polycarbonate, 3mm
Colors Available:
Panel mount LED lenses made of high quality polycarbonate. These lenses provide a clean semi-flush appearance with a small panel footprint and work well in any project using LED indicators. Features:
  • 0.171” mounting hole
  • For panel thicknesses of 0.031” to 0.125″
  • Fresnel lens
  • Low Profile
  • Fits standard 3mm LEDs

For a version that fits 5mm LEDs, see P-L710-X.
$0.85
P-L330-X LED Lens - Square, Fresnel, Polycarbonate, 3mm
Colors Available:
Panel mount LED lenses made of high quality polycarbonate. These square lenses provide a clean semi-flush appearance with a small panel footprint and work well in any project using LED indicators. Features:
  • 0.171” mounting hole
  • For panel thicknesses of 0.031” to 0.125″
  • Fresnel lens
  • Low Profile
  • Fits standard 3mm LEDs
$0.85
P-L720-X LED Lens - Flat Cylindrical, Fresnel, Polycarbonate, 5mm
Colors Available:
Panel mount LED lenses made of high quality polycarbonate. These flat cylindrical lenses provide a unique retro appearance with a small panel footprint and work well in any project using LED indicators. Features:
  • ¼” mounting hole
  • For panel thicknesses of 1/16” to ⅛”
  • Fresnel lens
  • Flat cylindrical shape
  • Fits standard 5mm LEDs
Starting at $0.65
P-L191-X Indicator Light - Bakelite, Soviet, Incandescent, Screw Base
Colors Available:
New-old-stock Soviet pilot lights that fit screw base bulbs. These lights have a unique bakelite frame and bakelite bezel. The lights come with a 6.3V bulb but can be used with any G-3-½ screw base bulb. The diameter of the light is 0.785” and the diameter of the mounting hole is 0.625”. Includes a bakelite mounting nut. Note: A small 0.2” notch must either be filed into the 0.625” mounting hole or filed off of the light to flush mount with a panel.
$5.95
Partially Out of Stock
P-L190-X Indicator Light - Bakelite, Soviet, Incandescent, 9V
Colors Available:
New-old-stock Soviet pilot lights that operate on 9V. These lights have a unique bakelite frame and metal bezel. The lights come with a 9V bulb but can be used with any voltage bulb that fits this type of socket. The diameter of the light is 12mm and the diameter of the mounting hole is 8.1mm. Includes a wavy washer and knurled nut. Note: There can be small differences in the appearance and tint of the lens and color of the bakelite. A small 0.1” notch must either be filed into the 0.625” mounting hole or filed off of the fuse to flush mount with a panel. The small bulbs can come loose during shipping and reseating the bulb is recommended before use.
$5.95
P-L200 LED Bezel - for 3mm LED, used for mounting
Holder for mounting LEDs to panels.
$1.05
P-L400 LED Bezel - with included 3mm Red LED
Bezel Assembly with 3mm Red LED. Required hole size: 0.25". Washer and hex nut included. LED Specifications: Color Red Lens Diam 3 mm Overall Height 5.4 mm Lens Type Diffused Luminous Intensity Min. 3.6 mCd @If (test) 10 mA Wavelngth (Peak) 568 nm V(FM) Max.(V) Forward Voltage 2.7 V @I(F) (test) 10 mA Min Operating Temp -30° Max Operating Temp 80°
$1.05
P-L700-X LED - 5mm, Water Clear, High Brightness, 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 $1.35
package of 5
P-L710-X LED Lens - Fresnel, Polycarbonate, 5mm
Colors Available:
Panel mount led lenses made of high quality polycarbonate. These lenses provide a clean semi-flush appearance with a small panel footprint and work well in any project using LED indicators. Features:
  • ¼” mounting hole
  • For panel thicknesses of 1/16” to ⅛”
  • Fresnel lens
  • Low Profile

For a version that fits 3mm LEDs, see P-L310-X.
Starting at $0.59
P-L300X LED - 3mm diameter, diffused lens, 3.6 mCd
Colors Available:
Lens Diameter: 3 mm Overall Height: 5.4 mm Lens Type: Diffused Multiple color options available.
$0.94
package of 5
P-L600-X LED - 3mm, Water Clear, High Brightness, 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 $1.35
package of 5
P-L35X LED - 5mm diameter, diffused lens, 5 mCd
Colors Available:
5mm (T-1 ¾) diffused LED’s. Great for use in pedal builds and other applications where a tinted and diffused indicator is needed. Multiple colors available.
  • 5mm size
  • Tinted and diffused
  • Multiple colors available
  • Package of 5
$0.75
package of 5
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