Akashic Guitar effects circuit lookup
RATEWAVEDEPTH

Enclosure not stated · 3 knobs

Experimentalists Anonymous

Boss TR-2

Based on the Boss TR-2

Category
Tremolo· Tremolos and Panners
Controls
Rate · Wave · Depth
Price
see vendor
Tags
Tremolos and Panners

Schematic

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

Parts list 90 rows

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Check before you build · 2 values the reader of this schematic was not sure of
  • Q4: drawn '25K1845R', read as 2SK184 (rank suffix unclear)
  • IC2: section A labeled M5216AL, sections B/C M5281AL
RefValueNormalizedTypeNotes
Resistors 45
R11k1kread from the schematic by eye
R2100k100kread from the schematic by eye
R3330k330kread from the schematic by eye
R4100k100kread from the schematic by eye
R510k10kQ2 emitter; designator R5 is printed twice; read from the schematic by eye
R5b1M1Mdrawn as a second R5 (Q1 drain side); R6 otherwise missing; read from the schematic by eye
R71M1Mread from the schematic by eye
R8100k100kread from the schematic by eye
R910k10kread from the schematic by eye
R101M1Mread from the schematic by eye
R1110k10kread from the schematic by eye
R1222k22kread from the schematic by eye
R1310k10kread from the schematic by eye
R1410k10kread from the schematic by eye
R1510k10kinput series; designator R15 is printed twice; read from the schematic by eye
R15b1M1Mdrawn as a second R15 (Q4 gate to bias); R16 otherwise missing; read from the schematic by eye
R171.2k1.2kread from the schematic by eye
R18100100read from the schematic by eye
R1910k10kread from the schematic by eye
R2010k10kread from the schematic by eye
R2110k10kread from the schematic by eye
R221M1Mread from the schematic by eye
R2356k56kread from the schematic by eye
R241M1Mread from the schematic by eye
R2556k56kQ7 collector; designator R25 is printed twice; read from the schematic by eye
R25b1M1Mdrawn as a second R25 (switch input); R26 otherwise missing; read from the schematic by eye
R271.5k1.5kread from the schematic by eye
R2810k10kread from the schematic by eye
R2933k33kread from the schematic by eye
R3056k56kread from the schematic by eye
R3156k56kread from the schematic by eye
R3215k15kread from the schematic by eye
R33100k100kread from the schematic by eye
R3410k10kread from the schematic by eye
R354.7k4.7kread from the schematic by eye
R36330k330kread from the schematic by eye
R3747k47kread from the schematic by eye
R3812k12kread from the schematic by eye
R39100k100kread from the schematic by eye
R4056k56kread from the schematic by eye
R414.7k4.7kread from the schematic by eye
R425.6k5.6kread from the schematic by eye
R4310k10kread from the schematic by eye
R44100k100kread from the schematic by eye
R45100k100kread from the schematic by eye
Capacitors 25
C10.027uF27nIC2A out to Q1; designator C1 is printed twice; read from the schematic by eye
C1b1uF1udrawn as a second C1 (Q1 to Q2), electrolytic 50V; C3 otherwise missing; read from the schematic by eye
C210uF10uelectrolytic 16V; read from the schematic by eye
C410uF10uelectrolytic 16V (by IC1A; designator C4 also on 0.1uF below); read from the schematic by eye
C4b0.1uF100ndrawn as a second C4 (R8/R10 node); C14 otherwise missing; read from the schematic by eye
C51uF1uelectrolytic 50V; read from the schematic by eye
C610uF10uelectrolytic 16V; read from the schematic by eye
C710pF10pread from the schematic by eye
C80.047uF47nread from the schematic by eye
C9100uF100uelectrolytic 16V; read from the schematic by eye
C104.7uF4.7uelectrolytic 6.3V; read from the schematic by eye
C1110uF10uelectrolytic 16V; read from the schematic by eye
C120.047uF47nread from the schematic by eye
C130.047uF47nread from the schematic by eye
C150.01uF10nread from the schematic by eye
C16220pF220pread from the schematic by eye
C17470pF470pread from the schematic by eye
C180.011uF11nread from the schematic by eye
C1947uF47uelectrolytic 6.3V; read from the schematic by eye
C201uF1uelectrolytic 50V, back to back with C21; read from the schematic by eye
C211uF1uelectrolytic 50V; read from the schematic by eye
C22220pF220pread from the schematic by eye
C23470pF470pread from the schematic by eye
C2447uF47uelectrolytic 6.3V; read from the schematic by eye
C2547uF47uelectrolytic 6.3V; read from the schematic by eye
Diodes 5
D11N40041N4004read from the schematic by eye
D21SS1331SS133drawn '155133'; read from the schematic by eye
D31SS1331SS133drawn '155133'; read from the schematic by eye
D41N40041N4004read from the schematic by eye
D5MTZ5.6BMTZ5.6B5.6V zener; read from the schematic by eye
Transistors 7
Q12SK118Y2SK118YJFET; read from the schematic by eye
Q22SC2458GR2SC2458GRNPN; read from the schematic by eye
Q32SK118Y2SK118YJFET; read from the schematic by eye
Q42SK1842SK184JFET input buffer; drawn '25K1845R'; read from the schematic by eye
Q52SC2458GR2SC2458GRNPN, flip-flop; read from the schematic by eye
Q62SA1048GR2SA1048GRPNP, 5.5V supply; read from the schematic by eye
Q72SC2458GR2SC2458GRNPN, flip-flop; read from the schematic by eye
ICs 4
IC1M5207L01M5207L01dual (IC1A/IC1B); read from the schematic by eye
IC2M5281ALM5281ALIC2B/IC2C drawn M5281AL, but IC2A labeled M5216AL; read from the schematic by eye
IC3M5281ALM5281ALread from the schematic by eye
IC4M5281ALM5281ALread from the schematic by eye
Potentiometers 3
RateB100KB100kPotentiometerVR2; read from the schematic by eye
WaveA100KA100kPotentiometerVR1; read from the schematic by eye
DepthB100KB100kPotentiometerVR3; read from the schematic by eye
LEDs 1
D6LN-28RPLN-28RPCheck LED; read from the schematic by eye