Akashic Guitar effects circuit lookup
VOLUMEGAINFREQQBASS/TREBLE

125B · 5 knobs

PedalPCB· PCB427

FreakZEQ

Based on the Spontaneous Audio Devices Son of Kong· 1 other board clones it

Category
EQ / Filter
Controls
Volume · Gain · Freq · Q · Bass/Treble
Price
$12.00in stock
Buy the PCB at PedalPCB Build document4/21/23

From the vendor

Controls

• Volume

• Gain

• Freq

• Q

• Bass/Treble (Toggle switch)

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 Spontaneous Audio Devices, maker of the Son of Kong. PedalPCB is in no way affiliated with Spontaneous Audio Devices

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 50 rows

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RefValueNormalizedTypeNotes
Resistors 26
R147R47Resistor, 1/4W
R21M51.5MResistor, 1/4W
R310K10kResistor, 1/4W
R4100K100kResistor, 1/4W
R510K10kResistor, 1/4W
R610K10kResistor, 1/4W
R71K31.3kResistor, 1/4W
R810K10kResistor, 1/4W
R910K10kResistor, 1/4W
R1010K10kResistor, 1/4W
R114K74.7kResistor, 1/4W
R1210K10kResistor, 1/4W
R1318K18kResistor, 1/4W
R148K28.2kResistor, 1/4W
R152K22.2kResistor, 1/4W
R16215R215Resistor, 1/4W
R17287R287Resistor, 1/4W
R1824K324.3kResistor, 1/4W
R192K22.2kResistor, 1/4W
R208K28.2kResistor, 1/4W
R2147R47Resistor, 1/4W
R2218K18kResistor, 1/4W
R1004K74.7kResistor, 1/4W
R10147R47Resistor, 1/4W
R102100K100kResistor, 1/4W
R103100K100kResistor, 1/4W
Capacitors 15
C14u74.7uElectrolytic capacitor, 5mm
C256p56pCeramic capacitor
C33u33.3uElectrolytic capacitor, 5mm
C4220p220pCeramic capacitor
C5100u100uElectrolytic capacitor, 5mm
C610u10uElectrolytic capacitor, 5mm
C760p60pCeramic capacitor
C83n93.9nFilm capacitor, 7.2 x 2.5mm
C915n15nFilm capacitor, 7.2 x 2.5mm
C103n93.9nFilm capacitor, 7.2 x 2.5mm
C1115n15nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10210u10uElectrolytic capacitor, 5mm
C103100n100nFilm capacitor, 7.2 x 2.5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41of 2)
ICs 3
IC1TL072TL072Dual op-amp, DIP8
IC2TL072TL072Dual op-amp, DIP8
IC3TL072TL072Dual op-amp, DIP8
Potentiometers 4
VOLUMEA20KA20k16mm right-angle PCB mount pot
GAINB10KB10k16mm right-angle PCB mount pot
FREQB10KB10k16mm right-angle PCB mount pot, dualDual Ganged Potentiometer
QB10KB10k16mm right-angle PCB mount pot
Switches 1
BASSTREBDPDTDPDTToggle switch, DPDT2-position (ON/ON)

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