Akashic Guitar effects PCB lookup
RESONANCEPRESENCEGAIN

125B · 3 knobs

PedalPCB· PCB736

Spelunker EQ

Based on the Awptweaker Depth Finder

Category
Boost
Controls
Resonance · Presence · Gain
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document6/8/26

From the vendor

Controls

• Resonance

• Presence

• Gain

Specifications

• Designed for a 125B enclosure with top-mounted jacks

Documentation

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 31 rows

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RefValueNormalizedTypeNotes
Resistors 14
R11M1MResistor, 1/4W
R2220K220kResistor, 1/4W
R347K47kResistor, 1/4W
R410K10kResistor, 1/4W
R53K33.3kResistor, 1/4W
R622K22kResistor, 1/4W
R73K33.3kResistor, 1/4W
R83K33.3kResistor, 1/4W
R91K1kResistor, 1/4W
R1047K47kResistor, 1/4W
R10047R47Resistor, 1/4W
R101100K100kResistor, 1/4W
R102100K100kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 10
C1100n100nFilm capacitor, 7.2 x 2.5mm
C2220n220nFilm capacitor, 7.2 x 5.0mm
C34n74.7nFilm capacitor, 7.2 x 2.5mm
C4560p560pCeramic capacitor
C51u1uElectrolytic capacitor, 5mm
C6220n220nFilm capacitor, 7.2 x 5.0mm
C722u22uElectrolytic capacitor, 5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10222u22uElectrolytic capacitor, 5mm
Diodes 3
D11N5240B1N5240BZener diode, 10V 1/2W
D21N5240B1N5240BZener diode, 10V 1/2W
D1001N58171N5817Schottky diode, DO-41
ICs 1
IC1TL072TL072Dual op-amp, DIP8
Potentiometers 2
Choosebetween internaBETWEEN INTERNAl trimpot or external potentiometer, do notinstall both
GAINC250KC250k16mm right-angle PCB mount pot
Other 1
PRESENCE C500K16mm right-angle PCB mount pot16MM RIGHT-ANGLE PCB MOUNT POT