Pedal Parts / DIY

The BC557 is a silicon general purpose PNP transistor in a TO-92 package. The BC557’s typical applications include signal processing, amplification, and switching.
$0.30

5W zener diodes that are great for use in tube amps. These are commonly used to drop B+ voltages for tube modification compatibility or to create low power modes for the amp. A zener is a semiconductor device that, above a certain reverse voltage(the zener value) has a sudden rise in current. If forward biased, the diode is an ordinary rectifier. When reverse biased, it exhibits a sharp break in its current-voltage graph. Voltage across the diode remains essentially constant for any further increase of reverse current.
Starting at $0.55

Fender® Style ¼" Mono Input Jack with 4 PCB Terminals.
$1.99

Colors Available:
- Height: 0.43 in.
- Length: 0.825 in.
- Fits ¼" shaft with set screw
$0.69

µA741 single op amp in an 8-pin DIP package. The µA741 device is a general-purpose operational amplifier featuring offset-voltage null capability. The high common-mode input voltage range and the absence of latch-up make the amplifier ideal for voltage-follower applications. The device is short-circuit protected and the internal frequency compensation ensures stability without external components. A low-value potentiometer may be connected between the offset null inputs to null out the offset voltage. Features
- Short-Circuit Protection
- Offset-Voltage Null Capability
- Large Common-Mode and Differential Voltage Ranges
- No Frequency Compensation Required
- No Latch-Up
$0.45

Dual low power opamps in an 8-pin DIP package. The TL062 offers a high input impedance and 1MHz bandwidth.
$0.33

Carling, SPST footswitch, Off-(On), momentary, normally open with screw terminals. Note: Off-(On) switches may sometimes be referred to as Off-None-(On).
$4.06
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Originally: $6.95

2N1308 NPN germanium transistors. The 2N1308 is a popular NPN for fuzz pedals and other effects. This transistor is in a TO-5 package with long leads commonly found on germanium transistors.
$4.89

Colors Available:
Starting at $0.85

Package of 5
Zinc nut. Designed to be used with any low carbon bolt or screw such as a grade 2 bolt. Most commonly used nut. Achieves strength through cold forming. Low carbon steel.
Starting at $0.30

L78L33 3.3V regulator in a TO-92 package. The L78L33 three-terminal 3.3V positive regulator employs internal current limiting and thermal shutdown, making them essentially indestructible. If adequate heat-sink is provided, they can deliver up to 100 mA output current. They are intended as fixed voltage regulators in a wide range of applications including local or oncard regulation for elimination of noise and distribution problems associated with single-point regulation. In addition, they can be used with power pass elements to make high-current voltage regulators. The L78L series used as Zener diode/resistor combination replacement, offers e improvement along with lower quiescent current and lower noise. Features:
- Output voltage of 3.3V
- Output current up to 100 mA
- Short-circuit protection
- No external components are required
$0.55

Premium two position SPDT mini toggle switches from Gorva Design. The Bascular Mini switches have a medium 7.5mm actuator length. These switches feature silver plated copper contacts. RoHS compliant & lead-free. Mounting hardware included. Details
Features:
- 8.89 mm bushing length
- Medium bat
- 2-Position On/On
- ¼" mounting hole diameter
- Single pole/Double throw (SPDT)
- Solder lugs
Features:
- Power Rating: DC9V, 1A
- Contact Resistance: <10mΩ
- Insulation Resistance: 1000MΩ Minimum
- Dielectric Strength: 1000V RMS @ Sea Level
- Operating Temperature: -40°C ~ +85°C
- Electrical Life: 40,000 Cycles
- RoHS & Lead-free
$1.69

16mm solid shaft linear potentiometers. These pots are 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: Linear
Starting at $0.99

2N2614 PNP germanium transistors. The 2N2614 is a popular PNP for fuzz pedals and other effects. The 2N2614 was popularly used in the Maestro Fuzz Tone FZ-1a pedal.
$3.95

The Switchcraft Type 111X enclosed ¼” jack is a high quality mono jack. This jack has two solder lugs. One for the tip and one for the sleeve. These jacks have been widely used across the industry and can also be found in many popular 5U synthesizers. Includes nut and washer.
See W-SC-112BX for stereo
- Type 111X
- 0.276" bushing length (standard)
- Mates with standard ¼" plugs and is available with 0.25" inside diameter bushing.
- Mono 2-Conductor
- Includes nut and washer
See W-SC-112BX for stereo
$2.55

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

This precision-wound toroidal will give the cleanest sound possible. Use the cup core model, part number P-ECB-FI-01 for a more vintage sound. The Fasel inductor is back! These near-mythical inductors are the key to the singing tonal sweep every wah player lusts for but can't capture with a new pedal. The ultimate upgrade to your current wah, these magic bullets are available exclusively from Dunlop, the new worldwide agent for Fasel of Italy. Your wah will finally give up the lush harmonic sparkle you've always heard in your head but could never coax from you rig.
$16.30

Surface mount MMBFJ201 JFETs presoldered to TO-92 adapter boards. Use wire, clipped component leads, or pin headers to easily attach these adapters to PCBs using TO-92 footprints for J201s. These JFETs can be found in many effects pedals, synthesizers, and other projects. The J201 / 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. The pinout is marked on the PCB and is DSG when facing the component side.
$1.65

Carling mini-toggle switch, SPDT, Solder Lug, 3-Position, On/Off/On
$4.50

Ceramic terminal strip, 1 row, 4 slots, 2.5mm thread.
$3.29

Audio taper (log), vertical mount, Alpha pots with a 6mm D shaft. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.
$1.90

Carling, SPDT mini toggle, 2 positions, ¼" mounting hole diameter, 0.354" bushing length.
- 0.354" bushing length
- 2-Position On/On
- ¼" mounting hole diameter
- Single pole/Double throw (SPDT)
- PC mount pins
$3.50

Switchcraft 1/4" stereo jack, 4 solder lugs include: tip, tip-shunt, ring and sleeve.
$5.75

OC141 NPN germanium transistors. The OC141 is a popular NPN for fuzz pedals and boost effects. This transistor is in a glass SO-2 package with long leads commonly found on germanium transistors. The NPN polarity allows for use with standard pedal power supplies. The dot indicates the collector lead.
$4.95