Akashic Guitar effects circuit lookup
DRIVEMIXTREBLEBASSLEVEL

Enclosure not stated · 5 knobs

Dirtbox Layouts

Ibanez TS9B Bass Tube ScreamerVerified

Based on the Ibanez Tube Screamer· 34 other boards clone it

Category
Overdrive
Controls
Drive · Mix · Treble · Bass · Level
Build
Vero· 21×20· 28 cuts, 13 links
Layout
Verified · Dirtbox Layouts marks it as built and working
Tags
Ibanez, Overdrive

From the post

Schematic is avaiable HERE.

Schematic

This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.

Parts list 32 rows

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Check before you build · 1 value the reader of this layout was not sure of
  • IC1, IC2: legend prints "JRC455D", entered as JRC4558D (assumed typo)
RefValueNormalizedTypeNotes
Resistors 9
×31K1kread from the layout by eye
×34.7K4.7kread from the layout by eye
×710K10kread from the layout by eye
×322K22kread from the layout by eye
×233K33kread from the layout by eye
×151K51kread from the layout by eye
×1100K100kread from the layout by eye
×2510K510kread from the layout by eye
×11M1Mread from the layout by eye
Capacitors 13
×1100pF100pread from the layout by eye
×1120pF120pread from the layout by eye
×21nF1nread from the layout by eye
×12.2nF2.2nread from the layout by eye
×233nF33nread from the layout by eye
×147nF47nread from the layout by eye
×2100nF100nread from the layout by eye
×1220nF220nread from the layout by eye
×21uF1uelectrolytic, bipolar; read from the layout by eye
×14.7uF4.7uelectrolytic, bipolar; read from the layout by eye
×110uF10uelectrolytic; read from the layout by eye
×147uF47uelectrolytic; read from the layout by eye
×1100uF100uelectrolytic; read from the layout by eye
Diodes 1
D11N58171N5817read from the layout by eye
Transistors 2
Q12N39042N39042N3904, 2N5088 etc. (2SC1815 in original); read from the layout by eye
Q22N39042N39042N3904, 2N5088 etc. (2SC1815 in original); read from the layout by eye
ICs 2
IC1JRC4558DJRC4558Dprinted "JRC455D"; read from the layout by eye
IC2JRC4558DJRC4558Dprinted "JRC455D"; read from the layout by eye
Potentiometers 5
DriveA500KA500kPotentiometerread from the layout by eye
MixW20KW20kPotentiometerprinted 20kW; read from the layout by eye
TrebleB250KB250kPotentiometerread from the layout by eye
BassB100KB100kPotentiometerread from the layout by eye
LevelB100KB100kPotentiometerread from the layout by eye

Other boards based on the Ibanez Tube Screamer