Akashic Guitar effects circuit lookup
VOLUMEPRESENCEDRIVEBRIGHTTONEMIDCHARACTER

1590BB · 7 knobs

PedalPCB· PCB343

Valve Stem Overdrive

Based on the MI Audio Tube Zone· 2 other boards clone it

Category
Fuzz· OD / Distortion / Fuzz
Controls
Volume · Presence · Drive · Bright · Tone · Mid · Character
Price
$12.00in stock
Tags
1590BB
Buy the PCB at PedalPCB Build document6/30/22

From the vendor

Controls

• Volume

• Presence

• Drive

• Bright

• Tone

• Mid

• Character

Details

• Designed for a 1590BB 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 licensed, manufactured, or distributed by MI Audio, maker of the MI Audio Tube Zone.

PedalPCB is not affiliated with MI 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 54 rows

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RefValueNormalizedTypeNotes
Resistors 19
R11M1MResistor, 1/4W
R21K1kResistor, 1/4W
R31M1MResistor, 1/4W
R41K1kResistor, 1/4W
R510K10kResistor, 1/4W
R6100K100kResistor, 1/4W
R71K1kResistor, 1/4W
R84K74.7kResistor, 1/4W
R922K22kResistor, 1/4W
R1010K10kResistor, 1/4W
R111M1MResistor, 1/4W
R124K74.7kResistor, 1/4W
R13330R330Resistor, 1/4W
R148M28.2MResistor, 1/4W
R15680R680Resistor, 1/4W
R16100K100kResistor, 1/4W
R1004K74.7kResistor, 1/4W
R101100K100kResistor, 1/4W
R102100K100kResistor, 1/4W
Capacitors 20
C122n22nFilm capacitor, 7.2 x 2.5mm
C21n1nFilm capacitor, 7.2 x 2.5mm
C310u10uElectrolytic capacitor, 5mm
C4220n220nFilm capacitor, 7.2 x 5.0mm
C5220n220nFilm capacitor, 7.2 x 5.0mm
C6220n220nFilm capacitor, 7.2 x 5.0mm
C7220p220pCeramic capacitor
C82u22.2uElectrolytic capacitor, 5mm
C92u22.2uElectrolytic capacitor, 5mm
C1022n22nFilm capacitor, 7.2 x 2.5mm
C114n74.7nFilm capacitor, 7.2 x 2.5mm
C12220n220nFilm capacitor, 7.2 x 5.0mm
C1322n22nFilm capacitor, 7.2 x 2.5mm
C14100n100nFilm capacitor, 7.2 x 2.5mm
C15220n220nFilm capacitor, 7.2 x 5.0mm
C1622n22nFilm capacitor, 7.2 x 2.5mm
C171n1nFilm capacitor, 7.2 x 2.5mm
C18100n100nFilm capacitor, 7.2 x 2.5mm
C100100u100uElectrolytic capacitor, 5mm
C101100u100uElectrolytic capacitor, 5mm
Diodes 5
D11N41481N4148Signal diode, DO-35
D21N41481N4148Signal diode, DO-35
D31N41481N4148Signal diode, DO-35
D41N41481N4148Signal diode, DO-35
D1001N58171N5817Schottky diode, DO-41of 2)
Transistors 2
Q1BC549CBC549CBJT transistor, NPN TO-92
Q2BC549CBC549CBJT transistor, NPN TO-92
ICs 1
IC1LM833NLM833NDual op-amp, DIP8
Potentiometers 7
VOLA100KA100k16mm right-angle PCB mount pot
PRESB20KB20k16mm right-angle PCB mount pot
DRIVEA50KA50k16mm right-angle PCB mount pot, dualDual-gang potentiometer
BRIGHTC10KC10k16mm right-angle PCB mount pot
TONEA100KA100k16mm right-angle PCB mount pot
MIDA100KA100k16mm right-angle PCB mount pot
CHARC10KC10k16mm right-angle PCB mount pot

Other boards based on the MI Audio Tube Zone