Enclosure not stated · 2 knobs
Polyfusion 2044 Envelope Follower
- Category
- Wah / Envelope· ADSR Generators and Envelope Generators
- Controls
- Output Level · Gate Threshold
- 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 23 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| ×6 | 100K | 100k | 1%: input, output-to-switch, summing and feedback resistors; read from the schematic by eye | |
| ×3 | 100K | 100k | 741 feedback, 2N3904 base, gate buffer input; read from the schematic by eye | |
| ×2 | 51K | 51k | read from the schematic by eye | |
| ×1 | 49.9K | 49.9k | 1%; read from the schematic by eye | |
| ×1 | 24K | 24k | read from the schematic by eye | |
| ×1 | 10K | 10k | 1%; read from the schematic by eye | |
| ×1 | 16.5K | 16.5k | 1%; read from the schematic by eye | |
| ×1 | 6.8K | 6.8k | read from the schematic by eye | |
| ×2 | 620R | 620 | output resistors (620 ohm); read from the schematic by eye | |
| ×2 | 1K | 1k | LED and comparator hysteresis; read from the schematic by eye | |
| ×1 | 470K | 470k | read from the schematic by eye | |
| ×1 | 10M | 10M | read from the schematic by eye | |
| Capacitors 3 | ||||
| ×2 | .22uF | 220n | coupling cap and Slow response cap; read from the schematic by eye | |
| ×1 | .015uF | 15n | Fast response cap; read from the schematic by eye | |
| ×1 | .056uF | 56n | Med response cap; read from the schematic by eye | |
| Diodes 1 | ||||
| ×5 | 1N4148 | 1N4148 | read from the schematic by eye | |
| Transistors 1 | ||||
| ×1 | 2N3904 | 2N3904 | read from the schematic by eye | |
| ICs 2 | ||||
| ×1 | 741 | 741 | read from the schematic by eye | |
| ×3 | 1458 | 1458 | dual op amp, chips A, B, C; read from the schematic by eye | |
| Potentiometers 2 | ||||
| Output Level | 100K | 100k | Potentiometer | read from the schematic by eye |
| Gate Threshold | 100K | 100k | Potentiometer | read from the schematic by eye |
| Switches 1 | ||||
| Response | SP3T | SP3T | Fast/Med/Slow, Switchcraft ST2-6; read from the schematic by eye | |
| LEDs 1 | ||||
| ×1 | FLV-117 | FLV-117 | gate indicator; read from the schematic by eye | |