Akashic Guitar effects circuit lookup
LEVELTONEGAINCLIPPING

125B · 4 knobs

PedalPCB· PCB590

Akronym Bass Overdrive

Based on the EarthQuaker Devices Blumes· 1 other board clones it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Level · Tone · Gain · Clipping
Price
$10.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document3/7/24

From the vendor

Controls

• Level

• Tone

• Gain

• Clipping (toggle switch) – (Symmetrical LED / None / Asymmetical Silicon)

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 EarthQuaker Devices, maker of the Blumes Low Signal Shredder.

PedalPCB is not affiliated with EarthQuaker Devices.

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 42 rows

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RefValueNormalizedTypeNotes
Resistors 15
R11M1MResistor, 1/4W
R21K1kResistor, 1/4W
R310M10MResistor, 1/4W
R410K10kResistor, 1/4W
R547K47kResistor, 1/4W
R62K72.7kResistor, 1/4W
R71K1kResistor, 1/4W
R810K10kResistor, 1/4W
R9330R330Resistor, 1/4W
R101K1kResistor, 1/4W
R111K1kResistor, 1/4W
R121M1MResistor, 1/4W
R13100R100Resistor, 1/4W
R14100K100kResistor, 1/4W
R1004K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 14
C122n22nFilm capacitor, 7.2 x 2.5mm
C21u1uFilm capacitor, 7.2 x 5.0mm
C356p56pCeramic capacitor
C41u1uFilm capacitor, 7.2 x 5.0mm
C522n22nFilm capacitor, 7.2 x 2.5mm
C6560n560nFilm capacitor, 7.2 x 5.0mm
C756p56pCeramic capacitor
C81u1uFilm capacitor, 7.2 x 5.0mm
C91u1uFilm capacitor, 7.2 x 5.0mm
C1010u10uElectrolytic capacitor, 5mm
C11100p100pCeramic capacitor
C10010u10uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm
C102100u100uElectrolytic capacitor, 5mm
Diodes 6
D1REDRED3mm Red LED, Diffused
D2REDRED3mm Red LED, Diffused
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D51N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
ICs 3
IC1TL072TL072Dual op-amp, DIP8
IC2TL072TL072Dual op-amp, DIP8
IC100TC1044SCPATC1044SCPACharge pump IC, DIP8
Potentiometers 3
LEVELB100KB100k16mm right-angle PCB mount pot
TONEW20KW20k16mm right-angle PCB mount pot
GAINA1MA1M16mm right-angle PCB mount pot
Switches 1
MODEON/OFF/ONON/OFF/ONToggle switch, SPDT3-position (ON/OFF/ON)

Other boards based on the EarthQuaker Devices Blumes