Akashic Guitar effects circuit lookup
VOLUMEHIGH-GAIN (TOGGLE SWITCH)

125B · 2 knobs

PedalPCB· PCB068

Cleaver Boost

Based on the Keeley Katana· 11 other boards clone it

Category
Boost
Controls
Volume · High-Gain (toggle switch)
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document8/16/23

From the vendor

Controls

• Volume – Controls the output volume

• High-Gain (toggle switch) – Increases gain

• Treble Cut (toggle switch) – Reduces treble

Details

• Onboard Voltage Doubler – Runs on standard 9VDC pedal power, internally steps supply voltage to 18V for increased headroom

• 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 Keeley Electronics, maker of the Keeley Katana Boost.

PedalPCB is not affiliated with Keeley Electronics.

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 28 rows

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RefValueNormalizedTypeNotes
Resistors 6
R11M1MResistor, 1/4W
R2680R680Resistor, 1/4W
R31M1MResistor, 1/4W
R41M1MResistor, 1/4W
R5680R680Resistor, 1/4W
R1004K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 11
C1100p100pCeramic capacitor
C2220n220nFilm capacitor, 7.2 x 5.0mm
C310u10uElectrolytic capacitor, 5mm
C4220n220nFilm capacitor, 7.2 x 5.0mm
C515n15nFilm capacitor, 7.2 x 2.5mm
C6220n220nFilm capacitor, 7.2 x 5.0mm
C71n1nFilm capacitor, 7.2 x 2.5mm
C8100n100nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C10110u10uElectrolytic capacitor, 5mm
C10210u10uElectrolytic capacitor, 5mm
Diodes 3
D1001N58171N5817Schottky diode, DO-41
D1011N58171N5817Schottky diode, DO-41
D1021N58171N5817Schottky diode, DO-41
Transistors 2
Q12N54582N5458JFET transistor, N-channel
Q22N54582N5458JFET transistor, N-channel
ICs 1
IC100TC1044SCPATC1044SCPACharge pump IC, DIP8
Potentiometers 1
VOLUMEB250KB250k16mm right-angle PCB mount pot
Trimmers 2
BIAS110K10kTrimmer potentiometer, 3362P type
BIAS210K10kTrimmer potentiometer, 3362P type
Switches 2
TREBLEON/ONON/ONToggle switch, SPDT2-position (ON/ON)
GAINON/ONON/ONToggle switch, SPDT2-position (ON/ON)

Other boards based on the Keeley Katana