Enclosure not stated
EFM Dual ADSR
- Category
- Wah / Envelope· ADSR Generators and Envelope Generators
- Price
- see vendor
- Tags
- ADSR Generators and Envelope Generators
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 44 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- P1-P8: the BOM gives values only; which knob (Attack, Decay, Sustain, Release) each pot is is not stated, the 10K pair is probably Sustain
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| R1 | 10K | 10k | read from the schematic by eye | |
| R2 | 10K | 10k | read from the schematic by eye | |
| R3 | 4.7K | 4.7k | read from the schematic by eye | |
| R4 | 2.2K | 2.2k | read from the schematic by eye | |
| R5 | 10K | 10k | read from the schematic by eye | |
| R6 | 2.2K | 2.2k | read from the schematic by eye | |
| R7 | 100 | 100 | read from the schematic by eye | |
| R8 | 4.7K | 4.7k | read from the schematic by eye | |
| R9 | 1K | 1k | 100 ohm for faster envelopes; read from the schematic by eye | |
| R10 | 1K | 1k | 100 ohm for faster envelopes; read from the schematic by eye | |
| R11 | 1K | 1k | 100 ohm for faster envelopes; read from the schematic by eye | |
| R13 | 4.7K | 4.7k | read from the schematic by eye | |
| R14 | 1K | 1k | 100 ohm for faster envelopes; read from the schematic by eye | |
| R15 | 1K | 1k | 100 ohm for faster envelopes; read from the schematic by eye | |
| R16 | 1K | 1k | 100 ohm for faster envelopes; read from the schematic by eye | |
| Capacitors 8 | ||||
| C1 | 0.1uF | 100n | read from the schematic by eye | |
| C2 | 0.1uF | 100n | read from the schematic by eye | |
| C3 | 0.01uF | 10n | read from the schematic by eye | |
| C4 | 100uF | 100u | 25V; read from the schematic by eye | |
| C5 | 0.01uF | 10n | read from the schematic by eye | |
| C6 | 10uF | 10u | 16V; 4.7uF for faster envelopes; read from the schematic by eye | |
| C7 | 0.01uF | 10n | read from the schematic by eye | |
| C8 | 10uF | 10u | 16V; 4.7uF for faster envelopes; read from the schematic by eye | |
| Diodes 8 | ||||
| D1 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D2 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D3 | 1N4148 | 1N4148 | mounted on the control pots, not the board; read from the schematic by eye | |
| D4 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D5 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D6 | 1N4148 | 1N4148 | mounted on the control pots, not the board; read from the schematic by eye | |
| D7 | 1N4148 | 1N4148 | read from the schematic by eye | |
| D8 | 1N4148 | 1N4148 | read from the schematic by eye | |
| Transistors 3 | ||||
| Q1 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q2 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q3 | 2N3904 | 2N3904 | read from the schematic by eye | |
| ICs 2 | ||||
| U1 | LM556 | LM556 | dual 555; read from the schematic by eye | |
| U2 | TL072 | TL072 | printed TLO72; read from the schematic by eye | |
| Potentiometers 8 | ||||
| P1 | 10K | 10k | Potentiometer | probably Sustain; read from the schematic by eye |
| P2 | 1M | 1M | Potentiometer | read from the schematic by eye |
| P3 | 1M | 1M | Potentiometer | read from the schematic by eye |
| P4 | 1M | 1M | Potentiometer | read from the schematic by eye |
| P5 | 10K | 10k | Potentiometer | probably Sustain; read from the schematic by eye |
| P6 | 1M | 1M | Potentiometer | read from the schematic by eye |
| P7 | 1M | 1M | Potentiometer | read from the schematic by eye |
| P8 | 1M | 1M | Potentiometer | read from the schematic by eye |