Akashic Guitar effects circuit lookup
DRIVETONELEVEL

Enclosure not stated · 3 knobs

Experimentalists Anonymous

Ibanez TS9

Based on the Ibanez TS9 Tube Screamer· 4 other boards clone it

Category
Distortion· Distortion Boost and Overdrive
Controls
Drive · Tone · Level
Price
see vendor
Tags
Distortion Boost and Overdrive

Schematic

The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.

Parts list 39 rows

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RefValueNormalizedTypeNotes
Resistors 18
×610k10kinput emitter, 4.5V feedback leg, tone node, output emitter, bias divider (2); read from the schematic by eye
×41k1kinput, op amp 1 output, tone feedback, output series; read from the schematic by eye
×4510k510kinput bias, JFET gates (2), output buffer bias; read from the schematic by eye
×14.7k4.7kread from the schematic by eye
×151k51kDrive series; read from the schematic by eye
×1220220tone, drawn '220ohms'; read from the schematic by eye
×1470470output, drawn '470ohms'; read from the schematic by eye
×1100k100koutput pulldown; read from the schematic by eye
×21M1Mmarked * on the drawing: the note says these may be 22k on the original; read from the schematic by eye
×256k56kmarked * on the drawing: the note says these may be 10k on the original; read from the schematic by eye
×256k56kflip-flop base resistors; read from the schematic by eye
×256k56kinside cr1 and cr2 (56k parallel with 51p, per note); read from the schematic by eye
×162k62kread from the schematic by eye
×122k22kread from the schematic by eye
×21M1Mflip-flop and LED driver base; read from the schematic by eye
×12222footswitch line; read from the schematic by eye
×13.6k3.6kLED; read from the schematic by eye
×1100100flip-flop emitters; read from the schematic by eye
Capacitors 12
×1.02uF20ninput; read from the schematic by eye
×21uF1u50V non-polarized; read from the schematic by eye
×20.1uF100nread from the schematic by eye
×151pF51pclipping feedback; read from the schematic by eye
×251pF51pinside cr1 and cr2, per note; read from the schematic by eye
×1.047uF47ndrawn .047u, Drive leg; read from the schematic by eye
×20.22uF220ntantalum; read from the schematic by eye
×2.047uF47nJFET gate timing; read from the schematic by eye
×147uF47u4.5V filter; read from the schematic by eye
×1100uF100usupply filter; read from the schematic by eye
×21000pF1nread from the schematic by eye
×110uF10uoutput; read from the schematic by eye
Diodes 2
×61N9141N914clipping (2), JFET gates (2), flip-flop emitter, supply; note says silicon signal diodes 1N914 or similar; read from the schematic by eye
×13V3Vzener; read from the schematic by eye
Transistors 2
×52SC18152SC1815input and output buffers, flip-flop (2), LED driver; read from the schematic by eye
×22SK30A2SK30AJFET bypass switches; read from the schematic by eye
ICs 1
×145584558dual op amp; read from the schematic by eye
Potentiometers 3
Drive500k500kPotentiometerread from the schematic by eye
Tone20k20kPotentiometerread from the schematic by eye
Level100k100kPotentiometerread from the schematic by eye
LEDs 1
×1LEDLEDread from the schematic by eye

Other boards based on the Ibanez TS9 Tube Screamer