Enclosure not stated · 3 knobs
AD3208
- Category
- Delay· Delay Echo and Samplers
- Controls
- Delay Time · Delay Level · Repeats
- Price
- see vendor
- Tags
- Delay Echo and Samplers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 36 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- 1M in clock network: drawn like the Delay Time pot, may be a panel control rather than a trimmer
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×14 | 10K | 10k | read from the schematic by eye | |
| ×8 | 22K | 22k | read from the schematic by eye | |
| ×7 | 100K | 100k | read from the schematic by eye | |
| ×5 | 4.7K | 4.7k | read from the schematic by eye | |
| ×5 | 1K | 1k | read from the schematic by eye | |
| ×2 | 1M | 1M | read from the schematic by eye | |
| ×1 | 100 | 100 | zener supply resistor; read from the schematic by eye | |
| Capacitors 14 | ||||
| ×9 | 1uF | 1u | read from the schematic by eye | |
| ×4 | 22uF | 22u | read from the schematic by eye | |
| ×3 | 100uF | 100u | electrolytic, supply; read from the schematic by eye | |
| ×3 | 470pF | 470p | read from the schematic by eye | |
| ×3 | 100pF | 100p | read from the schematic by eye | |
| ×2 | .015uF | 15n | read from the schematic by eye | |
| ×2 | .047uF | 47n | read from the schematic by eye | |
| ×2 | .47uF | 470n | SA571 rectifier caps; read from the schematic by eye | |
| ×1 | .082uF | 82n | read from the schematic by eye | |
| ×1 | .0068uF | 6.8n | read from the schematic by eye | |
| ×1 | .033uF | 33n | read from the schematic by eye | |
| ×1 | .002uF | 2n | read from the schematic by eye | |
| ×1 | .001uF | 1n | read from the schematic by eye | |
| ×1 | 47pF | 47p | read from the schematic by eye | |
| Diodes 3 | ||||
| ×3 | 1N914 | 1N914 | read from the schematic by eye | |
| ×1 | 1N4002 | 1N4002 | polarity protection; read from the schematic by eye | |
| ×1 | 1N4738 | 1N4738 / 8V2 | 8.2V zener; read from the schematic by eye | |
| Transistors 2 | ||||
| ×3 | 2N5088 | 2N5088 | NPN, filter buffers; read from the schematic by eye | |
| ×1 | 2N5485 | 2N5485 | N-channel JFET LED driver; 2N5457, 2N5458 or MPF102 may substitute; read from the schematic by eye | |
| ICs 4 | ||||
| ×1 | TL072 | TL072 | read from the schematic by eye | |
| ×1 | SA571 | SA571 | compander, both halves used; NE570 may substitute; read from the schematic by eye | |
| ×1 | MN3102 | MN3102 | BBD clock driver; read from the schematic by eye | |
| ×2 | BL3208 | BL3208 | BBD; MN3208 may substitute, MN3205 for longer delay; read from the schematic by eye | |
| Potentiometers 3 | ||||
| Delay Time | 500K | 500k | Potentiometer | read from the schematic by eye |
| Delay Level | 50K | 50k | Potentiometer | read from the schematic by eye |
| Repeats | 50K | 50k | Potentiometer | read from the schematic by eye |
| Trimmers 2 | ||||
| ×1 | 1M | 1M | unlabelled, beside Delay Time in the MN3102 clock network; read from the schematic by eye | |
| ×4 | 10K | 10k | two BBD bias, two BBD output balance; read from the schematic by eye | |
| LEDs 1 | ||||
| ×1 | LED | LED | indicator; read from the schematic by eye | |