Akashic Guitar effects circuit lookup
VOLUMEGAINBASSMIDTREBLE

125B · 5 knobs

PedalPCB· PCB536

The John Preamp

Based on the Victory Amps V1 The Jack· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Gain · Bass · Mid · Treble
Price
$12.00in stock
Buy the PCB at PedalPCB Build document12/24/22

From the vendor

Controls

• Volume

• Gain

• Bass

• Mid

• Treble

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 Victory Amplification, maker of the Victory Amplification V1 The Jack.

PedalPCB is in no way affiliated with Victory Amplification.

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 56 rows

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RefValueNormalizedTypeNotes
Resistors 20
R11M1MResistor, 1/4W
R268K68kResistor, 1/4W
R322K22kResistor, 1/4W
R468K68kResistor, 1/4W
R52K2kResistor, 1/4W
R6100K100kResistor, 1/4W
R710K10kResistor, 1/4W
R8100K100kResistor, 1/4W
R9220K220kResistor, 1/4W
R1068K68kResistor, 1/4W
R11220K220kResistor, 1/4W
R12100K100kResistor, 1/4W
R1310K10kResistor, 1/4W
R1447K47kResistor, 1/4W
R1533K33kResistor, 1/4W
R16220K220kResistor, 1/4W
R1747R47Resistor, 1/4W
R1810K10kResistor, 1/4W
R100100R100Resistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 19
C110n10nFilm capacitor, 7.2 x 2.5mm
C2100n100nFilm capacitor, 7.2 x 2.5mm
C32n22.2nFilm capacitor, 7.2 x 2.5mm
C4470n470nFilm capacitor, 7.2 x 5.0mm
C5100n100nFilm capacitor, 7.2 x 2.5mm
C64n74.7nFilm capacitor, 7.2 x 2.5mm
C7470n470nFilm capacitor, 7.2 x 5.0mm
C833n33nFilm capacitor, 7.2 x 2.5mm
C9220p220pCeramic capacitor
C1022n22nFilm capacitor, 7.2 x 2.5mm
C11470p470pCeramic capacitor
C12100n100nFilm capacitor, 7.2 x 2.5mm
C13470p470pCeramic capacitor
C141u1uFilm capacitor, 7.2 x 5.0mm
C100100u100uElectrolytic capacitor, 6.3mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10210u10uElectrolytic capacitor, 6.3mm
C103100n100nFilm capacitor, 7.2 x 2.5mm
C10410u10uElectrolytic capacitor, 6.3mm
Diodes 9
D15V15V1Zener diode, 5.1V 1/2WBZX55C5V1
D26V26V2Zener diode, 6.2V 1/2WBZX55C6V2
D32V72V7Zener diode, 2.7V 1/2WBZX55C2V7
D43V63V6Zener diode, 3.6V 1/2WBZX55C3V6
D52V72V7Zener diode, 2.7V 1/2WBZX55C2V7
D65V15V1Zener diode, 5.1V 1/2WBZX55C5V1
D71N41481N4148Signal diode, DO-35
D81N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
ICs 3
IC1TL072TL072Dual op-amp, DIP8
IC2TL072TL072Dual op-amp, DIP8
IC100TC1044SCPATC1044SCPACharge pump IC, DIP8
Potentiometers 5
VOLUMEB1MB1M16mm right-angle PCB mount pot
GAINA250KA250k16mm right-angle PCB mount pot
BASSA1MA1M16mm right-angle PCB mount pot
MIDB25KB25k16mm right-angle PCB mount pot
TREBLEB250KB250k16mm right-angle PCB mount pot

Other boards based on the Victory Amps V1 The Jack