Akashic Guitar effects PCB lookup
VOLUMETONEGAIN

125B · 3 knobs

PedalPCB· PCB575

Admiral Crunch Overdrive

Based on the Boss SD-2 (Crunch Mode)

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Tone · Gain
Price
$10.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document12/18/23

From the vendor

Controls

• Volume

• Tone

• Gain

Specifications

• Designed for a 125B enclosure with top-mounted jacks

Documentation

Schematic

The schematic is in the vendor's build document, page 3. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 40 rows

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RefValueNormalizedTypeNotes
Resistors 17
R11M1MResistor, 1/4W
R210K10kResistor, 1/4W
R31M1MResistor, 1/4W
R44K74.7kResistor, 1/4W
R522K22kResistor, 1/4W
R6680R680Resistor, 1/4W
R71M1MResistor, 1/4W
R810K10kResistor, 1/4W
R9560R560Resistor, 1/4W
R102K22.2kResistor, 1/4W
R11470K470kResistor, 1/4W
R1210K10kResistor, 1/4W
R13100K100kResistor, 1/4W
R141K1kResistor, 1/4W
R1004K74.7kResistor, 1/4W
R1014K74.7kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 13
C147n47nFilm capacitor, 7.2 x 2.5mm
C22n72.7nFilm capacitor, 7.2 x 2.5mm
C32n72.7nFilm capacitor, 7.2 x 2.5mm
C447n47nFilm capacitor, 7.2 x 2.5mm
C54u74.7uElectrolytic capacitor, 5mm
C622p22pCeramic capacitor
C739n39nFilm capacitor, 7.2 x 2.5mm
C822n22nFilm capacitor, 7.2 x 2.5mm
C922n22nFilm capacitor, 7.2 x 2.5mm
C1047n47nFilm capacitor, 7.2 x 2.5mm
C111u1uElectrolytic capacitor, 5mm
C100100u100uElectrolytic capacitor, 5mm
C101100u100uElectrolytic capacitor, 5mm
Diodes 4
D13mm Red3MM RED3mm Red LED, Diffused
D23mm Red3MM RED3mm Red LED, Diffused
D31SS1331SS133General purpose diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 2
Q1J201J201JFET transistor, N-channel
Q22N50882N5088BJT transistor, NPN TO-92
ICs 1
IC145584558Dual op-amp, DIP8
Potentiometers 3
VOLUMEA100KA100k16mm right-angle PCB mount pot
TONEB10KB10k16mm right-angle PCB mount pot
GAINA250KA250k16mm right-angle PCB mount pot