Akashic Guitar effects circuit lookup
LEVEL (LOUD)GAIN (GRUNGE)LOW (BUTT)HIGH (HEAD)

125B · 4 knobs

PedalPCB· PCB578

Butt Head Distortion

Based on the DOD FX69B Grunge· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Level (Loud) · Gain (Grunge) · Low (Butt) · High (Head)
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document11/18/23

From the vendor

Controls

• Level (Loud)

• Gain (Grunge)

• Low (Butt)

• High (Head)

Details

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

The company, product and service names used in this web site are for comparative purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by DOD, maker of the DOD FX69B Grunge.

PedalPCB is in no way affiliated with DOD.

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 77 rows

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RefValueNormalizedTypeNotes
Resistors 36
R11M1MResistor, 1/4W
R210K10kResistor, 1/4W
R31M1MResistor, 1/4W
R410K10kResistor, 1/4W
R5100K100kResistor, 1/4W
R6220K220kResistor, 1/4W
R710K10kResistor, 1/4W
R82K2kResistor, 1/4W
R947K47kResistor, 1/4W
R1010K10kResistor, 1/4W
R1110K10kResistor, 1/4W
R1210K10kResistor, 1/4W
R13470R470Resistor, 1/4W
R142K2kResistor, 1/4W
R1547K47kResistor, 1/4W
R16100K100kResistor, 1/4W
R173K33.3kResistor, 1/4W
R1810K10kResistor, 1/4W
R19330R330Resistor, 1/4W
R2047K47kResistor, 1/4W
R2110K10kResistor, 1/4W
R221K1kResistor, 1/4W
R2347K47kResistor, 1/4W
R2422K22kResistor, 1/4W
R2522K22kResistor, 1/4W
R262K2kResistor, 1/4W
R27100K100kResistor, 1/4W
R281K1kResistor, 1/4W
R29100K100kResistor, 1/4W
R30100K100kResistor, 1/4W
R3110K10kResistor, 1/4W
R32100K100kResistor, 1/4W
R33100R100Resistor, 1/4W
R10010K10kResistor, 1/4W
R10110K10kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 26
C1120p120pCeramic capacitor
C247n47nFilm capacitor, 7.2 x 2.5mm
C333n33nFilm capacitor, 7.2 x 2.5mm
C4120p120pCeramic capacitor
C527n27nFilm capacitor, 7.2 x 2.5mm
C610n10nFilm capacitor, 7.2 x 2.5mm
C747n47nFilm capacitor, 7.2 x 2.5mm
C833n33nFilm capacitor, 7.2 x 2.5mm
C91n1nFilm capacitor, 7.2 x 2.5mmof 2)
C1010u10uElectrolytic capacitor, 5mm
C1110u10uElectrolytic capacitor, 5mm
C1210u10uElectrolytic capacitor, 5mm
C1350p50pCeramic capacitor
C14330n330nFilm capacitor, 7.2 x 5.0mm
C1547n47nFilm capacitor, 7.2 x 2.5mm
C1615n15nFilm capacitor, 7.2 x 2.5mm
C171n1nFilm capacitor, 7.2 x 2.5mm
C1850p50pCeramic capacitor
C198n28.2nFilm capacitor, 7.2 x 2.5mm
C20330n330nFilm capacitor, 7.2 x 5.0mm
C2147n47nFilm capacitor, 7.2 x 2.5mm
C2210u10uElectrolytic capacitor, 5mm
C23220n220nFilm capacitor, 7.2 x 5.0mm
C24220n220nFilm capacitor, 7.2 x 5.0mm
C100330u330uElectrolytic capacitor, 5mm
C101330u330uElectrolytic capacitor, 5mm
Diodes 3
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 5
Q1J201J201JFET transistor, N-channel
Q22N50882N5088BJT transistor, NPN TO-92
Q32N50882N5088BJT transistor, NPN TO-92
Q42N50882N5088BJT transistor, NPN TO-92
Q52N50882N5088BJT transistor, NPN TO-92
ICs 3
IC1JRC4558JRC4558Dual op-amp, DIP8
IC2JRC4558JRC4558Dual op-amp, DIP8
IC3JRC4558JRC4558Dual op-amp, DIP8
Potentiometers 4
LOUDW100KW100k16mm right-angle PCB mount pot
GRUNGEW100KW100k16mm right-angle PCB mount pot
LOWW100KW100k16mm right-angle PCB mount pot
HIGHW100KW100k16mm right-angle PCB mount pot

Other boards based on the DOD FX69B Grunge