Akashic Guitar effects circuit lookup
RATEDEPTHLAGBLENDSHAPE

125B · 5 knobs

PedalPCB· PCB359

Caesar Chorus

Based on the Walrus Audio Julia Chorus· 2 other boards clone it

Category
Vibrato / Chorus· Modulation
Controls
Rate · Depth · Lag · Blend · Shape
Price
$12.00in stock
Tags
125B
Buy the PCB at PedalPCB Build document4/7/21

From the vendor

Controls

• Rate

• Depth

• Lag

• Blend

• Shape (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 Walrus Audio, maker of the Walrus Audio Julia.

PedalPCB is not affiliated with Walrus Audio.

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 91 rows

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RefValueNormalizedTypeNotes
Resistors 45
R11M1MResistor, 1/4W
R247K47kResistor, 1/4W
R31K1kResistor, 1/4W
R410K10kResistor, 1/4W
R5470K470kResistor, 1/4W
R61M1MResistor, 1/4W
R733K33kResistor, 1/4W
R810K10kResistor, 1/4W
R947K47kResistor, 1/4W
R1010K10kResistor, 1/4W
R116K86.8kResistor, 1/4W
R1222K22kResistor, 1/4W
R1310K10kResistor, 1/4W
R1447K47kResistor, 1/4W
R1547K47kResistor, 1/4W
R16100K100kResistor, 1/4W
R1710K10kResistor, 1/4W
R184K74.7kResistor, 1/4W
R194K74.7kResistor, 1/4W
R2010K10kResistor, 1/4W
R2110K10kResistor, 1/4W
R2233K33kResistor, 1/4W
R2310K10kResistor, 1/4W
R244K74.7kResistor, 1/4W
R252K72.7kResistor, 1/4W
R2633K33kResistor, 1/4W
R2756K56kResistor, 1/4W
R28330K330kResistor, 1/4W
R2910K10kResistor, 1/4W
R3010K10kResistor, 1/4W
R3110K10kResistor, 1/4W
R3210K10kResistor, 1/4W
R331M1MResistor, 1/4W
R3412K12kResistor, 1/4W
R3512K12kResistor, 1/4W
R3612K12kResistor, 1/4W
R3712K12kResistor, 1/4W
R3847K47kResistor, 1/4W
R3910K10kResistor, 1/4W
R40470R470Resistor, 1/4W
R41100K100kResistor, 1/4W
R10010K10kResistor, 1/4W
R10110K10kResistor, 1/4W
R10233R33Resistor, 1/4W
R1034K74.7kResistor, 1/4W
Capacitors 25
C147n47nFilm capacitor, 7.2 x 2.5mm
C21u1uFilm capacitor, 7.2 x 5.0mm
C347n47nFilm capacitor, 7.2 x 2.5mm
C46n86.8nFilm capacitor, 7.2 x 2.5mm
C5100p100pCeramic capacitor
C633n33nFilm capacitor, 7.2 x 2.5mm
C710n10nFilm capacitor, 7.2 x 2.5mm
C83n33.3nFilm capacitor, 7.2 x 2.5mm
C98n28.2nFilm capacitor, 7.2 x 2.5mm
C10470p470pCeramic capacitor
C1147p47pCeramic capacitor
C1233n33nFilm capacitor, 7.2 x 2.5mm
C133n33.3nFilm capacitor, 7.2 x 2.5mm
C1410u10uElectrolytic capacitor, 5mm
C158n28.2nFilm capacitor, 7.2 x 2.5mm
C16470p470pCeramic capacitor
C1733n33nFilm capacitor, 7.2 x 2.5mm
C186n86.8nFilm capacitor, 7.2 x 2.5mm
C19100p100pCeramic capacitor
C201u1uFilm capacitor, 7.2 x 5.0mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
C10247u47uElectrolytic capacitor, 5mm
C10310u10uElectrolytic capacitor, 5mm
C104220u220uElectrolytic capacitor, 5mm
Diodes 6
D13mm Red3MM RED3mm Red LED
D23mm Red3MM RED3mm Red LED
D31N9141N914Signal diode, DO-35
D41N9141N914Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41
D1019V19V1Zener diode 1/2W, 9.1V
Transistors 5
Q12N50882N5088BJT transistor, NPN TO-92
Q22N50882N5088BJT transistor, NPN TO-92
Q32N50882N5088BJT transistor, NPN TO-92
Q42N50882N5088BJT transistor, NPN TO-92
Q52N50882N5088BJT transistor, NPN TO-92
ICs 4
IC1TL022TL022Dual op-amp, DIP8
IC2RC4558RC4558Dual op-amp, DIP8
IC3V3207DV3207DBBD Analog Delay Line
IC4V3102DV3102DBBD Clock, Two-Phase
Potentiometers 4
RATEB100KB100k16mm right-angle PCB mount pot
DEPTHB100KB100k16mm right-angle PCB mount pot
LAGB250KB250k16mm right-angle PCB mount pot
BLENDB10KB10k16mm right-angle PCB mount pot
Trimmers 1
TRIM50K50kTrim potentiometer (3362P style)
Switches 1
SHAPEON/ONON/ONToggle switch, SPDT2-position (ON/ON) of 2)

Other boards based on the Walrus Audio Julia Chorus