Enclosure not stated · 3 knobs
Echo-matic cassette delay page 1
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Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 31 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| R1 | 10K | 10k | read from the schematic by eye | |
| R2 | 100K | 100k | read from the schematic by eye | |
| R3 | 100K | 100k | read from the schematic by eye | |
| R4 | 100K | 100k | read from the schematic by eye | |
| R5 | 100 | 100 | read from the schematic by eye | |
| R6 | 47K | 47k | 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 | 1.5K | 1.5k | read from the schematic by eye | |
| R12 | 22K | 22k | read from the schematic by eye | |
| R13 | 100K | 100k | read from the schematic by eye | |
| R14 | 22K | 22k | read from the schematic by eye | |
| R15 | 22K | 22k | read from the schematic by eye | |
| Capacitors 12 | ||||
| C1 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| C2 | 100pF | 100p | read from the schematic by eye | |
| C3 | 100pF | 100p | read from the schematic by eye | |
| C4 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| C5 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| C6 | 100pF | 100p | read from the schematic by eye | |
| C7 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| C8 | 220uF | 220u | aluminum electrolytic; read from the schematic by eye | |
| C9 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| C10 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| C11 | 100pF | 100p | read from the schematic by eye | |
| C12 | 10uF | 10u | aluminum electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | read from the schematic by eye | |
| ICs 1 | ||||
| IC1 | MC33174 | MC33174 | quad op amp; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Repeats | 20K | 20k | Potentiometer | R10; read from the schematic by eye |
| Mix | A10K | A10k | Potentiometer | R11, straight/echo mix, audio taper; read from the schematic by eye |
| Level | A10K | A10k | Potentiometer | R16, output level, audio taper; read from the schematic by eye |
| Switches 1 | ||||
| S1 | DPDT | DPDT | echo/bypass; read from the schematic by eye | |