Akashic Guitar effects circuit lookup
VOLUMEDISTORTIONMIDHIGH CUT

125B · 4 knobs

PedalPCB· PCB041

Arcana Distortion

Based on the Fulltone Secret Freq· 3 other boards clone it

Category
Distortion
Controls
Volume · Distortion · Mid · High Cut
Price
$10.00in stock
Tags
125B, 125B 4-Knob (Type 1)
Buy the PCB at PedalPCB Build document12/15/22 Tayda drill template

From the vendor

Controls

• Volume – Controls the overall output volume

• Distortion – Controls the amount of clipping

• Mid – Adjusts amount of Midrange boost

• High Cut – Controls the amount of high frequency cut

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 Fulltone Musical Products, Inc., maker of the Fulltone Secret Freq.

PedalPCB is not affiliated with Fulltone Musical Products, Inc.

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 42 rows

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RefValueNormalizedTypeNotes
Resistors 19
R12M22.2MResistor, 1/4W
R21K1kResistor, 1/4W
R31M1MResistor, 1/4W
R44K74.7kResistor, 1/4W
R518K18kResistor, 1/4W
R6820R820Resistor, 1/4W
R79K19.1kResistor, 1/4W
R810K10kResistor, 1/4W
R99K19.1kResistor, 1/4W
R1039K39kResistor, 1/4W
R11100K100kResistor, 1/4W
R1282K82kResistor, 1/4W
R1310K10kResistor, 1/4W
R1420K20kResistor, 1/4W
R151K1kResistor, 1/4W
R161K1kResistor, 1/4W
R10010K10kResistor, 1/4W
R10110K10kResistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 13
C122n22nFilm capacitor, 7.2 x 2.5mm
C247n47nFilm capacitor, 7.2 x 2.5mm
C347p47pCeramic disc capacitor
C4100n100nFilm capacitor, 7.2 x 2.5mm
C510n10nFilm capacitor, 7.2 x 2.5mm
C6100n100nFilm capacitor, 7.2 x 2.5mm
C747p47pCeramic disc capacitor
C833n33nFilm capacitor, 7.2 x 2.5mm
C910n10nFilm capacitor, 7.2 x 2.5mm
C101u1uElectrolytic capacitor, 5mm
C1147n47nFilm capacitor, 7.2 x 2.5mm
C10047u47uElectrolytic capacitor, 6.3mm
C10147u47uElectrolytic capacitor, 6.3mm
Diodes 4
D11N916A1N916ASignal diode, DO-35
D21N916A1N916ASignal diode, DO-35
D31N916A1N916ASignal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
Transistors 1
Q12SC18152SC1815BJT transistor, NPN TO-92
ICs 1
IC1TL082TL082Dual op-amp, DIP8
Potentiometers 4
VOLB100KB100k16mm right-angle PCB mount pot
DISTA1MA1M16mm right-angle PCB mount pot
MIDB100KB100k16mm right-angle PCB mount pot
HIGHB10KB10k16mm right-angle PCB mount pot

Other boards based on the Fulltone Secret Freq