Enclosure not stated
Walco Chord and Note Sustainer
- Category
- Compressor· Compressors Gates and Limiters
- Price
- see vendor
- Tags
- Compressors Gates and Limiters
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 17 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| ×1 | 1M5 | 1.5M | input series resistor; drawn as 2 x 3M3 in parallel; read from the schematic by eye | |
| ×1 | 1K5 | 1.5k | MOSFET drain; read from the schematic by eye | |
| ×2 | 330 | 330 | MOSFET source and first 2SC871 emitter; read from the schematic by eye | |
| ×2 | 4K7 | 4.7k | 2SC871 collectors; read from the schematic by eye | |
| ×1 | 150K | 150k | first 2SC871 collector-base feedback; read from the schematic by eye | |
| ×1 | 220K | 220k | second 2SC871 collector-base feedback; read from the schematic by eye | |
| ×1 | 15K | 15k | read from the schematic by eye | |
| ×1 | 3K3 | 3.3k | output; read from the schematic by eye | |
| ×1 | 10M | 10M | 2SC644 base to ground; read from the schematic by eye | |
| Capacitors 4 | ||||
| ×1 | 1uF | 1u | input, electrolytic; read from the schematic by eye | |
| ×3 | 10uF | 10u | coupling, electrolytic; read from the schematic by eye | |
| ×2 | 33uF | 33u | MOSFET source bypass and detector filter, electrolytic; read from the schematic by eye | |
| ×1 | 4.7uF | 4.7u | output, electrolytic; read from the schematic by eye | |
| Diodes 1 | ||||
| ×2 | Ge | GE | germanium diodes, no part number given; read from the schematic by eye | |
| Transistors 3 | ||||
| ×1 | 3SK30 (B) | 3SK30 (B) | dual-gate MOSFET; read from the schematic by eye | |
| ×2 | 2SC871 | 2SC871 | NPN; read from the schematic by eye | |
| ×1 | 2SC644 (S) | 2SC644 (S) | NPN, sustain control transistor; read from the schematic by eye | |