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Misc Chorus
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Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 84 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- R37/R38/R39: unnamed variable resistors; which are panel pots and which trimmers is a guess
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 42 | ||||
| R1 | 10K | 10k | read from the schematic by eye | |
| R2 | 10K | 10k | read from the schematic by eye | |
| R3 | 10K | 10k | read from the schematic by eye | |
| R4 | 10K | 10k | read from the schematic by eye | |
| R5 | 10K | 10k | read from the schematic by eye | |
| R6 | 10K | 10k | read from the schematic by eye | |
| R7 | 10K | 10k | read from the schematic by eye | |
| R8 | 10K | 10k | read from the schematic by eye | |
| R9 | 47K | 47k | read from the schematic by eye | |
| R10 | 33K | 33k | read from the schematic by eye | |
| R11 | 47K | 47k | read from the schematic by eye | |
| R12 | 1M | 1M | read from the schematic by eye | |
| R13 | 4.7K | 4.7k | read from the schematic by eye | |
| R14 | 10K | 10k | read from the schematic by eye | |
| R15 | 510K | 510k | read from the schematic by eye | |
| R16 | 1M | 1M | read from the schematic by eye | |
| R17 | 10K | 10k | read from the schematic by eye | |
| R18 | 10K | 10k | read from the schematic by eye | |
| R19 | 10K | 10k | read from the schematic by eye | |
| R20 | 10K | 10k | read from the schematic by eye | |
| R21 | 10K | 10k | read from the schematic by eye | |
| R22 | 10K | 10k | read from the schematic by eye | |
| R23 | 100K | 100k | read from the schematic by eye | |
| R24 | 510K | 510k | read from the schematic by eye | |
| R25 | 1K | 1k | read from the schematic by eye | |
| R26 | 10K | 10k | read from the schematic by eye | |
| R27 | 1K | 1k | read from the schematic by eye | |
| R28 | 22M | 22M | read from the schematic by eye | |
| R29 | 56K | 56k | read from the schematic by eye | |
| R30 | 100 | 100 | 100 ohm; read from the schematic by eye | |
| R31 | 51K | 51k | read from the schematic by eye | |
| R32 | 51K | 51k | read from the schematic by eye | |
| R33 | 51K | 51k | read from the schematic by eye | |
| R34 | 51K | 51k | read from the schematic by eye | |
| R35 | 5.6K | 5.6k | read from the schematic by eye | |
| R36 | 5.6K | 5.6k | read from the schematic by eye | |
| R40 | 390K | 390k | read from the schematic by eye | |
| R41 | 56K | 56k | read from the schematic by eye | |
| R42 | 51K | 51k | printed run together as "R4251K"; read from the schematic by eye | |
| R43 | 51K | 51k | read from the schematic by eye | |
| R44 | 51K | 51k | read from the schematic by eye | |
| R45 | 10K | 10k | read from the schematic by eye | |
| Capacitors 28 | ||||
| C1 | .0047uF | 4.7n | read from the schematic by eye | |
| C2 | .01uF | 10n | read from the schematic by eye | |
| C3 | .001uF | 1n | read from the schematic by eye | |
| C4 | .01uF | 10n | read from the schematic by eye | |
| C5 | 680pF | 680p | read from the schematic by eye | |
| C6 | .047uF | 47n | read from the schematic by eye | |
| C7 | 47pF | 47p | read from the schematic by eye | |
| C8 | .056uF | 56n | read from the schematic by eye | |
| C9 | 47uF | 47u | electrolytic, 6.3V; read from the schematic by eye | |
| C10 | 0.1uF | 100n | read from the schematic by eye | |
| C11 | .047uF | 47n | read from the schematic by eye | |
| C12 | .033uF | 33n | read from the schematic by eye | |
| C13 | 1uF | 1u | read from the schematic by eye | |
| C14 | 100pF | 100p | read from the schematic by eye | |
| C15 | .047uF | 47n | read from the schematic by eye | |
| C16 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C17 | .056uF | 56n | read from the schematic by eye | |
| C18 | .033uF | 33n | read from the schematic by eye | |
| C19 | 100uF | 100u | electrolytic; read from the schematic by eye | |
| C20 | 1uF | 1u | read from the schematic by eye | |
| C21 | .0047uF | 4.7n | read from the schematic by eye | |
| C22 | 100pF | 100p | read from the schematic by eye | |
| C23 | 10uF | 10u | electrolytic; read from the schematic by eye | |
| C24 | 100uF | 100u | electrolytic; read from the schematic by eye | |
| C25 | 100pF | 100p | read from the schematic by eye | |
| C26 | .047uF | 47n | read from the schematic by eye | |
| C27 | .047uF | 47n | read from the schematic by eye | |
| C28 | .047uF | 47n | read from the schematic by eye | |
| Diodes 2 | ||||
| D1 | MA150 | MA150 | read from the schematic by eye | |
| D2 | MA150 | MA150 | read from the schematic by eye | |
| Transistors 4 | ||||
| Q1 | ? | ? | NPN, no part number given; read from the schematic by eye | |
| Q2 | ? | ? | NPN, no part number given; read from the schematic by eye | |
| Q3 | 2SK246 | 2SK246 | N-channel JFET switch; read from the schematic by eye | |
| Q4 | ? | ? | NPN, no part number given; read from the schematic by eye | |
| ICs 4 | ||||
| U1 | MN3207 | MN3207 | BBD; read from the schematic by eye | |
| U2 | MN3102 | MN3102 | BBD clock driver; read from the schematic by eye | |
| U3 | 4558 | 4558 | dual op amp; read from the schematic by eye | |
| U4 | TL022 | TL022 | dual op amp, LFO; read from the schematic by eye | |
| Potentiometers 2 | ||||
| R38 | 50K | 50k | Potentiometer | LFO, no knob name given (likely rate); read from the schematic by eye |
| R39 | 20K | 20k | Potentiometer | LFO output level to clock, no knob name given (likely depth); read from the schematic by eye |
| Trimmers 1 | ||||
| R37 | 20K | 20k | BBD bias; drawn as a variable resistor with no knob name; read from the schematic by eye | |
| Switches 1 | ||||
| SW1 | SPDT | SPDT | switches the JFET mix control; read from the schematic by eye | |