Akashic Guitar effects circuit lookup
ATTACKDECAYBLEND

125B · 3 knobs

PedalPCB· PCB400

Duck Box Envelope Filter

Based on the Guyatone WR3 Wah Rocker· 2 other boards clone it

Category
EQ / Filter
Controls
Attack · Decay · Blend
Price
$8.00in stock
Buy the PCB at PedalPCB Build document10/25/22

From the vendor

Controls

• Attack

• Decay

• Blend (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 Guyatone, maker of the Guyatone WR3 Wah Rocker. PedalPCB is in no way affiliated with Guyatone

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 22
R11K1kResistor, 1/4W
R2470K470kResistor, 1/4W
R347K47kResistor, 1/4W
R4470K470kResistor, 1/4W
R51M1MResistor, 1/4W
R61K1kResistor, 1/4W
R7100K100kResistor, 1/4W
R81K1kResistor, 1/4W
R9100K100kResistor, 1/4W
R103M33.3MResistor, 1/4W
R11100K100kResistor, 1/4W
R1222K22kResistor, 1/4W
R13330R330Resistor, 1/4W
R1447K47kResistor, 1/4W
R155K15.1kResistor, 1/4W
R1612K12kResistor, 1/4W
R1747K47kResistor, 1/4W
R181M1MResistor, 1/4W
R191M1MResistor, 1/4W
R1004K74.7kResistor, 1/4W
R10147K47kResistor, 1/4W
R10247K47kResistor, 1/4W
Capacitors 15
C133n33nFilm capacitor, 7.2 x 2.5mm
C21u1uElectrolytic capacitor, 5mm
C310n10nFilm capacitor, 7.2 x 2.5mm
C410n10nFilm capacitor, 7.2 x 2.5mm
C51n1nFilm capacitor, 7.2 x 2.5mm
C647n47nFilm capacitor, 7.2 x 2.5mm
C7100p100pCeramic capacitor
C81u1uElectrolytic capacitor, 5mm
C91u1uElectrolytic capacitor, 5mm
C102n22.2nFilm capacitor, 7.2 x 2.5mm
C1110u10uElectrolytic capacitor, 5mm
C1247n47nFilm capacitor, 7.2 x 2.5mm
C1322n22nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C10147u47uElectrolytic capacitor, 5mm
Diodes 2
D1DS448DS448Signal diode, DO-35� Alternate part 1N4148
D1001N58171N5817Schottky diode, DO-41
Transistors 1
Q12N50882N5088BJT transistor, NPN TO-92
ICs 2
IC1NJM4558NJM4558Dual op-amp, DIP8
IC2NJM4558NJM4558Dual op-amp, DIP8
Potentiometers 2
ATTACKC500KC500k16mm right-angle PCB mount pot
DECAYB1MB1M16mm right-angle PCB mount pot
Switches 1
SW1SPDTSPDTToggle switch, SPDT2-position (ON/ON)

Other boards based on the Guyatone WR3 Wah Rocker