Pedal Parts / DIY

¼" Jack - Switchcraft, Mono, transfer circuit
1/4" Mono 2 Conductor Jack, Transfer Circuit. Used in Fender, part number: 004-1701-000. Includes nut and washer.
$8.95
Diode - OA74A, Amperex, Germanium, Black Glass
NOS OA74A germanium diodes from Amperex. OA74A diodes were used in many vintage electronics and also make for great clipping diodes in stompbox effects pedals. The red end is the cathode. OA74A is a near-exact replacement for OA81.
$1.89
Transistor - 2N1308, Germanium, TO-39 case, NPN
2N1308 NPN germanium transistors. The 2N1308 is a popular NPN for fuzz pedals and other effects. This transistor is in a TO-39 package.
$4.89
Knob - Phenolic, Set Screw, Chicken Head
High quality phenolic knob with a classic chicken head design. This knob has an infilled indicator line. Fits 0.25” (6.35mm) shafts with set screw and brass insert.
  • Height: 0.485 in.
  • Length: 1.25 in.
  • Fits ¼" shaft with set screw
  • Brass Insert
  • High Quality Phenolic
$1.85
Solder Tag - M3.5 or #6 Mounting Hole
Flat-washer style solder tag for use with M3.5 or #6 screws. This small solder tag is an easy way to add a wire such as a chassis ground connection to a build. This solder tag is also a great match for vintage style builds such as Fuzz Face style effects pedals.
  • Contact Material: Brass
  • Contact Plating: Tin
  • Inner Diameter: 3.5± 0.2 mm
  • Outer Diameter: Ø6.3 ± 0.2 mm
  • Length: 12.7 ± 0.5 mm
  • Thickness: 0.35 mm
$1.35
package of 12
Transistor - 2N1309, Germanium, TO-5 case, PNP
2N1309 PNP germanium transistors. The 2N1309 is a popular PNP for fuzz pedals and other effects. This transistor is in a TO-5 package with long leads commonly found on germanium transistors.
$1.95
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
Transistor - BC238B, Silicon, TO-92 case, NPN
BC238B NPN transistor in a TO-92 package. The BC238 is used in a variety of vintage pedals such as the Schaller Fuzz, a version of the Brian May treble boost,and later Jen / Tonebender fuzz pedals. The BC238B is a variant of the BC108B and works well in other classic fuzz pedals such as Fuzz Face and Big Muff builds.
$0.95
Transistor - SFT353, Germanium, 18B4 case, PNP
SFT353 PNP germanium transistors. The SFT353 is a popular PNP for fuzz pedals and other effects. This transistor is in a 18B4 package with long leads commonly found on germanium transistors. This style of package can be found in Italian built Vox Tonebenders.
$4.65
On Backorder
Transistor - BC182, General Purpose, TO-92 case, NPN
The BC182 is a general purpose NPN transistor in a TO-92 case. The BC182 is commonly used in fuzz pedals and has a reputation as a warm sounding silicon transistor for fuzz. The BC182 has a more narrow hFE range than the BC183 which can be helpful for certain builds.
$0.35
Nut & Washer - Panel, for Fender / Marshall Jacks
M12 x1.0 threading. Nut and washer set for panel-mounting jacks.
$1.55
package of 5
¼" Jack - Fender®, Stereo, PC Mount, for Amps '88-'99
Original replacement for Fender® amps. ¼" Stereo Input Jack that has 9 PCB mount terminals.
$6.95
¼" Jack - Pure Tone, Stereo, Double-Open Circuit, Long Thread
Pure Tone’s new long threaded three pole (stereo) 1/4" jack provides full contact for improved connections and signal integrity. This jack locks the cable securely into place creating a greater surface area connection to carry more signal for an improved frequency stability. This jack is a great choice for both mono and stereo applications as well as guitars using active electronics.
$9.99
Knob - Davies, 1919, Daka-ware, Large, Skirted Pointer
High-quality USA made knobs from Davies Molding. The large skirted 1919 pointer knob is made of solid phenolic and features an infilled indicator line. The pointer has an overall length of 1.25” and the skirt’s diameter is 1.13”. This knob shares design elements of the Davies 19xx knobs allowing for a uniform look while using a variety of knob shapes and styles.
  • Height: 0.625 in
  • Length: 1.25 in.
  • Fits ¼" shaft with set screw
$2.95
Transistor - BC209C, Silicon, TO-106 case, NPN
The BC209C is a silicon NPN transistor in a TO-106 case. The BC209C is primarily intended for general purpose audio applications. BC209C transistors were used in original silicon Fuzz Face® pedals as well as a variety of D*A*M pedals.
$3.49
On Backorder
Knob - Phenolic, Set Screw, Fairchild Style, Skirted
Phenolic skirted knobs with set screws and brass inserts. These skirted circular knobs are a close match for the classic knobs used on Fairchild compressors like the 660 / 670. They feature a V-shaped painted inlay indicator on the skirt as well as a dot indicator on the top of the grip. Fits ¼” (6.35mm) pot shafts. Pairs nicely with P-K347-30-X, P-K347-32-X, P-K347-52, P-K347-61 (see photo)
Starting at $5.30
Transistor - JFET, N-Channel, MMBFJ201, SOT-23
Surface mount MMBFJ201 JFET. Commonly used in place of the discontinued through-hole J201. These JFETs can be found in many effects pedals, synthesizers, and other projects. The MMBFJ201 is an N-Channel general purpose amplifier JFET. This device is designed primarily for low level audio and general purpose applications with high impedance signal sources.
$0.45
Diode - KD521V, Silicon, used in Russian Big Muff
New-old-stock Soviet silicon diodes KD521V (КД521B) in a SOD27 package. These diodes were used in EHX/Sovtek Big Muff models from Civil War to Black Russian. The KD521V is a high-speed switching diode encapsulated in hermetically sealed, leaded glass. The SOD27 packages are similar to DO-35.
$1.65
Tool Set - Rocket Sockets, Pepers’ Pedals, Complete Set
Rocket Sockets by Pepers' Pedals allow for the tightening of various nuts for jacks, potentiometers and switches on guitar effects pedals without scratching the enclosure and damaging the graphics or paint as the typical metal tools will do.
$14.95
Switch - Carling, Mini Toggle, SPDT, 3 Position, Solder Lugs, Short Bat
Carling, SPDT mini toggle with short actuator, 3 positions, ¼" mounting hole diameter, 0.354" bushing length.
  • 0.354" bushing length
  • 3-Position On/Off/On
  • ¼" mounting hole diameter
  • Single pole/Double throw (SPDT)
  • Solder lugs
$4.95
Transistor - BC549, General Purpose, TO-92 case, NPN
The BC549 is a silicon general purpose NPN transistor in a TO-92 package. The BC549’s typical applications include signal processing, amplification, and switching. The BC549 is available in two different gain ranges: BC549B and BC549C. Type hFE (IC=2mA, VCE=5V) BC549B 200-450 BC549C 420-800
Starting at $0.30
Potentiometer - GØRVA, Linear, 16mm, Solder Lug, Solid Shaft
High-quality solder lug linear taper 16mm pots from Gorva Design. Gorva Design left no boxes unchecked when engineering their potentiometer lineup. Every element was carefully designed to offer builders an exceptional potentiometer with high durability and tight tolerances. Gorva potentiometers are made with stompboxes in mind but offer the same advantages to amplifiers, synthesizers, studio equipment and other electronics.
  • Solder lug / panel mount
  • Linear taper
  • +/- 10% tolerance
  • ¼” (6.35mm) solid shaft
  • Machine-pressed dust seal
  • High quality wiper material
  • Low residual resistance

For audio taper solder lug pots see R-VGORVA-AX-SL. For audio taper right-angle PCB mount pots see R-VGORVA-AX-PC. For linear taper right-angle PCB mount pots see R-VGORVA-BX-PC.
$1.45
¼" Jack - Cliff, Mono, PC Mount, L-leg, Tin
  • Withstand voltage: 2000V DC Minimum
  • Maximum current: 5A
  • Temperature rating: -10°C - 70°C
  • Life (minimum): 10,000+ operations
  • Nominal contact resistance:
$3.50
Transistor - MPSA14, Darlington, 500mA, 30V, NPN
MPSA14 NPN Darlington transistor (TO-92 package) - designed for high gain, low noise general purpose amplifier applications.
  • Max collector to emitter voltage = 30 V
  • Max collector to base voltage = 30 V
  • Max emitter to base voltage = 10 V
  • Max collector current = 0.5 A (continuous)
$0.25