Enclosure not stated · 2 knobs
Polytone Multivoicer
Based on the Polytone Multivoicer· 1 other board clones it
- Category
- Distortion
- Controls
- Filter · Vol / Blend
- Build
- Vero· 29×27· 53 cuts, 32 links
- Layout
- Unverified · no build reported at Dirtbox Layouts yet
- Tags
- Distortion, Octave, Polytone
From the post
Have anyone heard of this one? This is a a super rare distortion unit with clean blend and octave up. There is no sound demos online but the lucky few ones that have played one says it is quite a wild sounding circuit. Schematic is a avaiable at Deadend Fx.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 30 rows
Report a wrong parseGot parts in a drawer? See what you can build with them.
Check before you build · 2 values the reader of this layout was not sure of
- 5nF (columns 5, rows M-O) and 50nF (column 21, rows N-P): printed clearly, unusual values
- Several standing resistors are drawn faded over other parts (100K at column 17 rows H-J, 10K at column 18 rows M-O, 47Ω at column 19 rows P-Q); read as printed
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×4 | 5.1K | 5.1k | read from the layout by eye | |
| ×1 | 33K | 33k | read from the layout by eye | |
| ×4 | 47K | 47k | read from the layout by eye | |
| ×6 | 47Ω | 47 | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 680K | 680k | read from the layout by eye | |
| ×7 | 10K | 10k | read from the layout by eye | |
| ×2 | 100K | 100k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 33pF | 33p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 5nF | 5n | read from the layout by eye | |
| ×1 | 50nF | 50n | read from the layout by eye | |
| ×10 | 100nF | 100n | read from the layout by eye | |
| ×8 | 1uF | 1u | electrolytic, bipolar, rated min 50v; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| D1 | FD100 | FD100 | FD100 or 1N4001; read from the layout by eye | |
| D2 | 1N4001 | 1N4001 | read from the layout by eye | |
| ICs 5 | ||||
| IC1 | NE5532 | NE5532 | RC3749 in original; read from the layout by eye | |
| IC2 | NE5532 | NE5532 | RC3749 in original; read from the layout by eye | |
| IC3 | NE5532 | NE5532 | RC3749 in original; read from the layout by eye | |
| IC4 | LTC1144 | LTC1144 | read from the layout by eye | |
| REG | 78L15 | 78L15 | regulator; read from the layout by eye | |
| Opto 1 | ||||
| ×2 | NSL-32SR3 | NSL-32SR3 | Vactrol 1&2: NSL-32SR3 or similar; read from the layout by eye | |
| Potentiometers 2 | ||||
| Filter | A10K | A10k | Potentiometer | read from the layout by eye |
| Vol / Blend | B10K | B10k | Potentiometer | read from the layout by eye |
| Trimmers 1 | ||||
| Octave | 50K | 50k | octave trim; read from the layout by eye | |
| Switches 1 | ||||
| Blend Sw | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
Other boards based on the Polytone Multivoicer
- Throat Dead End FX · 1590BBS · $15.00