Akashic Guitar effects circuit lookup
LEVELTONEGAIN

125B · 3 knobs

PedalPCB· PCB497

Fat Bottom Boost

Based on the Ibanez BB9 Bottom Booster· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Level · Tone · Gain
Price
$12.00in stock
Buy the PCB at PedalPCB Build document8/12/23

From the vendor

Controls

• Level

• Tone

• Gain

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 Ibanez guitars, maker of the Ibanez BB9 Big Bottom Boost.

PedalPCB is not affiliated with Ibanez guitars.

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 59 rows

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RefValueNormalizedTypeNotes
Resistors 25
R11M1MResistor, 1/4W
R211K211.2kResistor, 1/4W
R3470K470kResistor, 1/4W
R41K1kResistor, 1/4W
R550K50kResistor, 1/4W
R610K10kResistor, 1/4W
R78K28.2kResistor, 1/4W
R810K10kResistor, 1/4W
R91K1kResistor, 1/4W
R1051K51kResistor, 1/4W
R11470K470kResistor, 1/4W
R1222K22kResistor, 1/4W
R131K21.2kResistor, 1/4W
R14820R820Resistor, 1/4W
R153K33.3kResistor, 1/4W
R1610K10kResistor, 1/4W
R1768K68kResistor, 1/4W
R1822K22kResistor, 1/4W
R2012K12kResistor, 1/4W
R211K1kResistor, 1/4W
R221M1MResistor, 1/4W
R2351R51Resistor, 1/4W
R2451R51Resistor, 1/4W
R25100K100kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 24
C147p47pCeramic capacitor
C21u1uFilm capacitor, 7.2 x 5.0mm
C33u33.3uElectrolytic capacitor, 5mm
C447p47pCeramic capacitor
C533n33nFilm capacitor, 7.2 x 2.5mm
C610p10pCeramic capacitor
C747n47nFilm capacitor, 7.2 x 2.5mm
C847n47nFilm capacitor, 7.2 x 2.5mm
C910p10pCeramic capacitor
C1022n22nFilm capacitor, 7.2 x 2.5mm
C1122n22nFilm capacitor, 7.2 x 2.5mm
C12100p100pCeramic capacitor
C13470p470pCeramic capacitor
C1410u10uElectrolytic capacitor, 5mm
C1547p47pCeramic capacitor
C1647u47uElectrolytic capacitor, 5mm
C17100n100nFilm capacitor, 7.2 x 2.5mm
C18100n100nFilm capacitor, 7.2 x 2.5mm
C19100n100nFilm capacitor, 7.2 x 2.5mm
C20100n100nFilm capacitor, 7.2 x 2.5mm
C21100n100nFilm capacitor, 7.2 x 2.5mm
C22100n100nFilm capacitor, 7.2 x 2.5mm
C10010u10uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm2 of 2)
Diodes 3
D11N40021N4002Standard recovery diode, DO-41
D21N40021N4002Standard recovery diode, DO-41
D1001N58171N5817Schottky diode, DO-41
ICs 4
IC1JRC4558DJRC4558DDual op-amp, DIP8
IC2JRC4558DJRC4558DDual op-amp, DIP8
IC3JRC4558DJRC4558DDual op-amp, DIP8
IC100TC1044SCPATC1044SCPACharge pump IC, DIP8
Potentiometers 3
LEVELB100KB100k16mm right-angle PCB mount pot
TONEB25KB25k16mm right-angle PCB mount pot
GAINB50KB50k16mm right-angle PCB mount pot, dual� Dual gang potentiometer

Other boards based on the Ibanez BB9 Bottom Booster