Pedal Parts / DIY

NPN Darlington transistor (TO-92 package) - designed for applications requiring extremely high current gain at collector currents to 1.0A.

• Max collector to emitter voltage = 30 V
• Max collector to base voltage = 30 V
• Max emitter to base voltage = 10 V
• Max collector current = 1.2 A (continuous)

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.

High-quality USA made knobs from Rogan Corp. These small pointer knobs from Rogan’s PT Series feature a soft rubber grip molded over a solid polymer knob. PT Series knobs can be found on synthesizer modules from Make Noise, Mutable Instruments and others. Fits 6mm D-shafts.

• Height: 0.55 in.
• Diameter: 0.45 in.
• Fits 6mm D Shafts
• Indicator on round side of D-shaft

For a T18 knurled version of this knob, see P-K271P-W. A variety of different sizes are available from the PT Series.

PT2399 echo/delay chip used in many DIY and commercial pedals. The PT2399 is in a DIP 16 package. Minimal external components are required for use and delay time is set with resistance.

The BC547 is a silicon general purpose NPN transistor in a TO-92 package. The BC547’s typical applications include signal processing, amplification, and switching. The BC547 is available in two different gain ranges: BC547B and BC547C. Type hFE (IC=2mA, VCE=5V) BC547B 200-450 BC547C 420-800

1N4742A 12V zener diode in a DO-41 package. 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.

Small black plastic chicken head knob with an off-white indicator line for a vintage look. Fits 6.35mm (1/4") potentiometer shafts.

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

Audio taper, vertical mount, Song Huei pots with a 6mm shaft. These 9mm pots are popular in DIY guitar pedals, modular synthesizers, and other projects where space is limited. The knurled shaft features a painted indicator line so no knob is required. These tall versions have a 17mm shaft length and a total height of 25mm. For linear taper versions, see R-VSHL-BX. For center notched, linear taper versions, see R-VSHL-BX-CN.

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.

Linear taper, vertical mount, Alpha pots with a 6mm T18 knurled shaft. These 9mm pots are popular in DIY guitar pedals, synthesizers, and other projects. Mounting nut and washer included.

2N4061 PNP transistors. This is a silicon PNP transistor in a TO-92 package. The 2N4061 has been used in a variety of effects pedals and is most notably used in the Zonk Machine II.

2N527 PNP germanium transistors. The 2N527 is a popular PNP for fuzz pedals and other effects. It can be found in modern classics such as the Sunface and Benson Fuzz. This transistor is in a TO-5 package with long leads commonly found on germanium transistors.

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.

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

Stripboard featuring a 0.15” vintage spacing. This spacing is great for vintage-style builds and more easily accommodates axial capacitors and other larger sized vintage parts like resistors and transistors. The board has a 20x10 grid (10 strips) and easily fits into 1590BB style enclosures and larger vintage-style fuzz enclosures. Each strip is HASL coated making soldering easier than most protoboards and also ensures a long shelf life. Features:

• High-quality 1.6mm FR4 glass-epoxy circuit board
• 1oz/ft2 copper weight
• HASL coated strips
• 20 x 10 holes (10 strips)
• 3.04” x 1.55”

Stripboard featuring standard 0.1” (2.54mm) spacing. The board has a 30x15 grid (15 strips) and easily fits into 1590BB style enclosures and larger vintage-style fuzz enclosures. Each strip is HASL coated making soldering easier than most protoboards and also ensures a long shelf life. Features:

• High-quality 1.6mm FR4 glass-epoxy circuit board
• 1oz/ft2 copper weight
• HASL coated strips
• 30 x 15 holes (15 strips)
• 3.04” x 1.55”

Solder terminals, non-switched. Metal ferrule, vintage style found in many amplifiers and pedals. For the switched version, see S-H901-X. Features:

• Low-noise Ni-Ag® Alloy Self-Cleaning Contacts for superior performance and reliability
• Tough, molded grade 1 black Nylon body.
• Made in the U.K.
• Supplied with a metal hexagonal mounting nut
• Designed to receive both mono and stereo ¼" jack plugs
• Withstand Voltage: 2000VDC Min.
• Maximum Current: 5A
• Temperature Rating: -10°C ~ +70°C
• Life (Minimum): 10,000+ Operations
• Nominal Contact Resistance: < 50 mΩ

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.

2N5087 PNP Bipolar Junction Transistor in TO-92 package. For the NPN 2N5087 see P-Q2N5088

2N5485 N-channel JFET in a TO-92 package. The 2N5485 is an N−channel junction field effect transistors designed for RF amplifier and mixer applications. These devices operate well in the VHF/UHF frequency range.

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.

Original Dunlop replacement gear for wah potentiometers (C-ring included). The gear has 14 teeth and a flatted inner diameter to fit securely onto a potentiometer with flatted shaft. The included C-ring is placed over the top end of the gear to keep it from sliding off the end of the potentiometer shaft.

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