Akashic Guitar effects circuit lookup
GAIN TRIMLOW CUTLEVELGAIN

125B · 4 knobs

PedalPCB· PCB146

Simulcast

Based on the Hudson Electronics Broadcast· 6 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Gain Trim · Low Cut · Level · Gain
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document12/17/22

From the vendor

New Revision

• Improved component layout for lower noise and easier assembly

Controls

• Gain Trim – Controls the gain of the unit

• Low Cut – Attenuates low frequencies

• Level – Controls the overall output volume

• Gain (Toggle Switch) – Select low or high gain mode

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 Hudson Electronics UK, maker of the Hudson Broadcast.

PedalPCB is not affiliated with Hudson Electronics UK.

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 45 rows

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RefValueNormalizedTypeNotes
Resistors 16
R1220K220kResistor, 1/4W
R25K65.6kResistor, 1/4W
R35K65.6kResistor, 1/4W
R41K1kResistor, 1/4W
R568R68Resistor, 1/4W
R6450R450Resistor, 1/4W
R74K74.7kResistor, 1/4W
R85K65.6kResistor, 1/4W
R95K65.6kResistor, 1/4W
R1015K15kResistor, 1/4W
R1133K33kResistor, 1/4W
R10010R10Resistor, 1/4W
R1011K1kResistor, 1/4W
R10256K56kResistor, 1/4W
R10333K33kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 16
C110u10uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C2330p330pCeramic capacitor
C310u10uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C4100u100uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C5330n330nFilm capacitor, 7.2 x 5.0mm
C6100u100uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C71n1nFilm capacitor, 7.2 x 2.5mm
C8330u330uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C9100u100uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C10047u47uElectrolytic capacitor, 5.0mm
C10110u10uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C10210u10uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C10310u10uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C10410u10uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C105100u100uElectrolytic capacitor, 5.0mm� 35V minimum voltage
C106100u100uElectrolytic capacitor, 5.0mm� 35V minimum voltage
Diodes 5
D1001N58171N5817Schottky diode, DO-41
D1011N58171N5817Schottky diode, DO-41
D1021N58171N5817Schottky diode, DO-41
D1031N58171N5817Schottky diode, DO-41
D1041N58171N5817Schottky diode, DO-41
Transistors 2
Q1BC549CBC549CBJT transistor, NPN TO-92
Q2OC71OC71Germanium transistor, PNP
ICs 1
IC100LT1054LT1054Charge pump IC, DIP8
Transformers 1
T1TY-141PTY-141PAudio Transformer (10Kct:10Kct)Link
Potentiometers 3
LEVELB25KB25k16mm right-angle PCB mount pot
LOWCUTA10KA10k16mm right-angle PCB mount pot
GAINA250KA250k16mm right-angle PCB mount pot
Switches 1
SW1ON/OFF/ONON/OFF/ONToggle switch, SPDT3-position (ON/OFF/ON)

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