Akashic Guitar effects circuit lookup
LEVELGAINLOWHIGH

125B · 4 knobs

PedalPCB· PCB490

Champ Stamp Overdrive

Based on the Great Eastern FX Co Small Speaker Overdrive· 1 other board clones it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Level · Gain · Low · High
Price
$10.00in stock
Buy the PCB at PedalPCB Build document10/28/22

From the vendor

Controls

• Level

• Gain

• Low

• High

Details

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

The company, product and service names used in this web site are for identification purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by Great Eastern FX Co, maker of the Small Speaker Overdrive.

PedalPCB is in no way affiliated with Great Eastern FX Co.

Schematic

The schematic is in the vendor's build document, page 4. Open the build document. No KiCad fragment has been drawn for this circuit yet.

Parts list 48 rows

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RefValueNormalizedTypeNotes
Resistors 18
R11K1kResistor, 1/4W
R21M1MResistor, 1/4W
R3220K220kResistor, 1/4W
R4100R100Resistor, 1/4W
R52M22.2MResistor, 1/4W
R64K74.7kResistor, 1/4W
R71K1kResistor, 1/4W
R822R22Resistor, 1/4W
R9150R150Resistor, 1/4W
R121K1kResistor, 1/4W
R131K1kResistor, 1/4W
R14220K220kResistor, 1/4W
R15100K100kResistor, 1/4W
R164K74.7kResistor, 1/4W
R17100R100Resistor, 1/4W
R181K1kResistor, 1/4W
R1004K74.7kResistor, 1/4W
R101100R100Resistor, 1/4W
Capacitors 15
C1150p150pCeramic capacitor
C2100n100nFilm capacitor, 7.2 x 2.5mm
C3220p220pCeramic capacitor
C4680p680pCeramic capacitor
C5220p220pCeramic capacitor
C64u74.7uElectrolytic capacitor, 5mm
C76p86.8pCeramic capacitor
C10100n100nElectrolytic capacitor, 5mm
C116n86.8nFilm capacitor, 7.2 x 2.5mm
C12100n100nFilm capacitor, 7.2 x 2.5mm
C134u74.7uElectrolytic capacitor, 5mm
C14150p150pCeramic capacitor
C1510n10nFilm capacitor, 7.2 x 2.5mm
C100100n100nFilm capacitor, 7.2 x 2.5mm
C101100u100uElectrolytic capacitor, 5mm
Diodes 7
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D7BAT48BAT48Schottky diode, DO-35
D81N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 3
Q1BC547BBC547BBJT transistor, NPN TO-92
Q22N39042N3904BJT transistor, NPN TO-92
Q3J201J201JFET transistor, N-channel2)
Potentiometers 4
LEVELA10KA10k16mm right-angle PCB mount pot
GAINC500KC500k16mm right-angle PCB mount pot
LOWB100KB100k16mm right-angle PCB mount pot
HIGHB1MB1M16mm right-angle PCB mount pot
Trimmers 1
TRIM10K10kTrimmer potentiometer, 3362P type

Other boards based on the Great Eastern FX Co Small Speaker Overdrive