Akashic Guitar effects circuit lookup
LEVELGAINTONE

125B · 3 knobs

PedalPCB· PCB619

British Royalty Overdrive

Based on the Greer Amps Royal Velvet Drive & Pre· 1 other board clones it

Category
Overdrive
Controls
Level · Gain · Tone
Price
$12.00in stock
Tags
125B, 125B 3-Knob (Type 1)
Buy the PCB at PedalPCB Build document12/15/23 Tayda drill template

From the vendor

Controls

• Level

• Gain

• Tone

Details

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

The company, product and service names used in this web site are for comparative purposes only. All trademarks and registered trademarks are the property of their respective owners. This product is not manufactured or distributed by Greer Amps, maker of the Greer Amps Royal Velvet.

PedalPCB is in no way affiliated with Greer Amps.

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 38 rows

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RefValueNormalizedTypeNotes
Resistors 15
R122K22kResistor, 1/4W
R21M1MResistor, 1/4W
R31M1MResistor, 1/4W
R41K51.5kResistor, 1/4W
R54K74.7kResistor, 1/4W
R61M1MResistor, 1/4W
R74K74.7kResistor, 1/4W
R81K51.5kResistor, 1/4W
R9220K220kResistor, 1/4W
R10390R390Resistor, 1/4W
R1110K10kResistor, 1/4W
R1210K10kResistor, 1/4W
R1322K22kResistor, 1/4W
R100100R100Resistor, 1/4W
CLR4K74.7kResistor, 1/4W* LED current limiting resistor
Capacitors 12
C122n22nFilm capacitor, 7.2 x 2.5mm
C222u22uElectrolytic capacitor, 5mm
C322n22nFilm capacitor, 7.2 x 2.5mm
C4220p220pCeramic capacitor
C5220n220nFilm capacitor, 7.2 x 5.0mm
C622n22nFilm capacitor, 7.2 x 2.5mm
C747n47nFilm capacitor, 7.2 x 2.5mm
C822u22uElectrolytic capacitor, 5mm
C91n1nFilm capacitor, 7.2 x 2.5mm
C102n22.2nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100n100nFilm capacitor, 7.2 x 2.5mm
Diodes 1
D1001N58171N5817Schottky diode, DO-41
Transistors 3
Q1J201J201JFET transistor, N-channel
Q2J201J201JFET transistor, N-channel
Q3J201J201JFET transistor, N-channel
Transformers 1
T1TY-141PTY-141PAudio Transformer10KCT:10KCT
Potentiometers 3
LEVELA100KA100k16mm right-angle PCB mount pot
TONEA10KA10k16mm right-angle PCB mount pot
GAINA500KA500k16mm right-angle PCB mount pot
Trimmers 3
BIAS1100K100kTrimmer potentiometer, 3362P type
BIAS2100K100kTrimmer potentiometer, 3362P type
BIAS3100K100kTrimmer potentiometer, 3362P type

Other boards based on the Greer Amps Royal Velvet Drive & Pre