Enclosure not stated · 4 knobs
Obesifier Waveform Animator
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- Ring Mod / Synth· Guitar Synth and Misc Signal Shapers
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- Guitar Synth and Misc Signal Shapers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 208 rows
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Check before you build · 3 values the reader of this schematic was not sure of
- R11H: drawn 150K, BOM says 300K like the other channels
- R32G/R32H: the saw-to-tri block says repeat A-H but the BOM lists R32 only A-F
- U4-U9: channel B-F chips are not drawn; BOM numbering (U4-U9) conflicts with the drawn U2 for channel A
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 155 | ||||
| R1 | 1K | 1k | read from the schematic by eye | |
| R2 | 100K | 100k | read from the schematic by eye | |
| R3 | 22K | 22k | read from the schematic by eye | |
| R4 | 22K | 22k | read from the schematic by eye | |
| R5 | 100K | 100k | read from the schematic by eye | |
| R6 | 100K | 100k | read from the schematic by eye | |
| R7 | 100K | 100k | read from the schematic by eye | |
| R8 | 75K | 75k | not in the BOM; read from the schematic by eye | |
| R9A | 100K | 100k | read from the schematic by eye | |
| R9B | 100K | 100k | read from the schematic by eye | |
| R9C | 100K | 100k | read from the schematic by eye | |
| R9D | 100K | 100k | read from the schematic by eye | |
| R9E | 100K | 100k | read from the schematic by eye | |
| R9F | 100K | 100k | read from the schematic by eye | |
| R9G | 100K | 100k | read from the schematic by eye | |
| R9H | 100K | 100k | read from the schematic by eye | |
| R10A | 100K | 100k | read from the schematic by eye | |
| R10B | 100K | 100k | read from the schematic by eye | |
| R10C | 100K | 100k | read from the schematic by eye | |
| R10D | 100K | 100k | read from the schematic by eye | |
| R10E | 100K | 100k | read from the schematic by eye | |
| R10F | 100K | 100k | read from the schematic by eye | |
| R10G | 100K | 100k | read from the schematic by eye | |
| R10H | 100K | 100k | printed R10F on page 1 (clashes with channel F); BOM calls it R10H; read from the schematic by eye | |
| R11A | 300K | 300k | read from the schematic by eye | |
| R11B | 300K | 300k | read from the schematic by eye | |
| R11C | 300K | 300k | read from the schematic by eye | |
| R11D | 300K | 300k | read from the schematic by eye | |
| R11E | 300K | 300k | read from the schematic by eye | |
| R11F | 300K | 300k | read from the schematic by eye | |
| R11G | 300K | 300k | read from the schematic by eye | |
| R11H | 150K | 150k | drawn 150K; the BOM lists R11H as 300K; read from the schematic by eye | |
| R12A | 100K | 100k | read from the schematic by eye | |
| R12B | 100K | 100k | read from the schematic by eye | |
| R12C | 100K | 100k | read from the schematic by eye | |
| R12D | 100K | 100k | read from the schematic by eye | |
| R12E | 100K | 100k | read from the schematic by eye | |
| R12F | 100K | 100k | read from the schematic by eye | |
| R12G | 100K | 100k | read from the schematic by eye | |
| R12H | 100K | 100k | read from the schematic by eye | |
| R13A | 100K | 100k | read from the schematic by eye | |
| R13B | 100K | 100k | read from the schematic by eye | |
| R13C | 100K | 100k | read from the schematic by eye | |
| R13D | 100K | 100k | read from the schematic by eye | |
| R13E | 100K | 100k | read from the schematic by eye | |
| R13F | 100K | 100k | read from the schematic by eye | |
| R13G | 100K | 100k | read from the schematic by eye | |
| R13H | 100K | 100k | read from the schematic by eye | |
| R14A | 100K | 100k | read from the schematic by eye | |
| R14B | 100K | 100k | read from the schematic by eye | |
| R14C | 100K | 100k | read from the schematic by eye | |
| R14D | 100K | 100k | read from the schematic by eye | |
| R14E | 100K | 100k | read from the schematic by eye | |
| R14F | 100K | 100k | read from the schematic by eye | |
| R17A | 240K | 240k | read from the schematic by eye | |
| R17B | 240K | 240k | read from the schematic by eye | |
| R17C | 240K | 240k | read from the schematic by eye | |
| R17D | 240K | 240k | read from the schematic by eye | |
| R17E | 240K | 240k | read from the schematic by eye | |
| R17F | 240K | 240k | read from the schematic by eye | |
| R18A | 10K | 10k | read from the schematic by eye | |
| R18B | 10K | 10k | read from the schematic by eye | |
| R18C | 10K | 10k | read from the schematic by eye | |
| R18D | 10K | 10k | read from the schematic by eye | |
| R18E | 10K | 10k | read from the schematic by eye | |
| R18F | 10K | 10k | read from the schematic by eye | |
| R19A | 200 | 200 | read from the schematic by eye | |
| R19B | 200 | 200 | read from the schematic by eye | |
| R19C | 200 | 200 | read from the schematic by eye | |
| R19D | 200 | 200 | read from the schematic by eye | |
| R19E | 200 | 200 | read from the schematic by eye | |
| R19F | 200 | 200 | read from the schematic by eye | |
| R20A | 180K | 180k | from the per-channel table; read from the schematic by eye | |
| R20B | 300K | 300k | from the per-channel table; read from the schematic by eye | |
| R20C | 330K | 330k | from the per-channel table; read from the schematic by eye | |
| R20D | 680K | 680k | from the per-channel table; read from the schematic by eye | |
| R20E | 560K | 560k | from the per-channel table; read from the schematic by eye | |
| R20F | 1.6M | 1.6M | from the per-channel table; read from the schematic by eye | |
| R21A | 9.1K | 9.1k | from the per-channel table; read from the schematic by eye | |
| R21B | 0 | 0 | from the per-channel table; 0 ohm = jumper; read from the schematic by eye | |
| R21C | 11K | 11k | from the per-channel table; read from the schematic by eye | |
| R21D | 36K | 36k | from the per-channel table; read from the schematic by eye | |
| R21E | 62K | 62k | from the per-channel table; read from the schematic by eye | |
| R21F | 150K | 150k | from the per-channel table; read from the schematic by eye | |
| R23 | 22K | 22k | read from the schematic by eye | |
| R24A | 82K | 82k | read from the schematic by eye | |
| R24B | 82K | 82k | read from the schematic by eye | |
| R24C | 82K | 82k | read from the schematic by eye | |
| R24D | 82K | 82k | read from the schematic by eye | |
| R24E | 82K | 82k | read from the schematic by eye | |
| R24F | 82K | 82k | read from the schematic by eye | |
| R24G | 82K | 82k | read from the schematic by eye | |
| R24H | 82K | 82k | read from the schematic by eye | |
| R30 | 100K | 100k | read from the schematic by eye | |
| R31 | 1.8K | 1.8k | read from the schematic by eye | |
| R32A | 10K | 10k | read from the schematic by eye | |
| R32B | 10K | 10k | read from the schematic by eye | |
| R32C | 10K | 10k | read from the schematic by eye | |
| R32D | 10K | 10k | read from the schematic by eye | |
| R32E | 10K | 10k | read from the schematic by eye | |
| R32F | 10K | 10k | read from the schematic by eye | |
| R32G | 10K | 10k | saw-to-tri block repeats for A-H; the BOM lists R32 only A-F; read from the schematic by eye | |
| R32H | 10K | 10k | saw-to-tri block repeats for A-H; the BOM lists R32 only A-F; read from the schematic by eye | |
| R33A | 20K | 20k | read from the schematic by eye | |
| R33B | 20K | 20k | read from the schematic by eye | |
| R33C | 20K | 20k | read from the schematic by eye | |
| R33D | 20K | 20k | read from the schematic by eye | |
| R33E | 20K | 20k | read from the schematic by eye | |
| R33F | 20K | 20k | read from the schematic by eye | |
| R33G | 20K | 20k | read from the schematic by eye | |
| R33H | 20K | 20k | read from the schematic by eye | |
| R34A | 22K | 22k | BOM misprints some as R24B-E; read from the schematic by eye | |
| R34B | 22K | 22k | read from the schematic by eye | |
| R34C | 22K | 22k | read from the schematic by eye | |
| R34D | 22K | 22k | read from the schematic by eye | |
| R34E | 22K | 22k | read from the schematic by eye | |
| R34F | 22K | 22k | read from the schematic by eye | |
| R34G | 22K | 22k | read from the schematic by eye | |
| R34H | 22K | 22k | read from the schematic by eye | |
| R35A | 27K | 27k | read from the schematic by eye | |
| R35B | 27K | 27k | read from the schematic by eye | |
| R35C | 27K | 27k | read from the schematic by eye | |
| R35D | 27K | 27k | read from the schematic by eye | |
| R35E | 27K | 27k | read from the schematic by eye | |
| R35F | 27K | 27k | read from the schematic by eye | |
| R35G | 27K | 27k | read from the schematic by eye | |
| R35H | 27K | 27k | read from the schematic by eye | |
| R36A | 82K | 82k | read from the schematic by eye | |
| R36B | 82K | 82k | read from the schematic by eye | |
| R36C | 82K | 82k | read from the schematic by eye | |
| R36D | 82K | 82k | read from the schematic by eye | |
| R36E | 82K | 82k | read from the schematic by eye | |
| R36F | 82K | 82k | read from the schematic by eye | |
| R36G | 82K | 82k | read from the schematic by eye | |
| R36H | 82K | 82k | read from the schematic by eye | |
| R38 | 100K | 100k | read from the schematic by eye | |
| R39 | 1K | 1k | marked R39* (select); read from the schematic by eye | |
| R40 | 100K | 100k | read from the schematic by eye | |
| R41 | 1.8K | 1.8k | read from the schematic by eye | |
| R42 | 36K | 36k | read from the schematic by eye | |
| R43 | 15K | 15k | read from the schematic by eye | |
| R44 | 1K | 1k | read from the schematic by eye | |
| R45 | 10K | 10k | read from the schematic by eye | |
| R46 | 300K | 300k | read from the schematic by eye | |
| R47 | 100K | 100k | read from the schematic by eye | |
| R48 | 100K | 100k | read from the schematic by eye | |
| R49 | 1K | 1k | marked R49* (select); read from the schematic by eye | |
| R50 | 22K | 22k | read from the schematic by eye | |
| R51 | 1K | 1k | read from the schematic by eye | |
| R52 | 100K | 100k | read from the schematic by eye | |
| R53 | 300K | 300k | read from the schematic by eye | |
| R54 | 10K | 10k | read from the schematic by eye | |
| R55 | 1K | 1k | read from the schematic by eye | |
| R56 | 36K | 36k | read from the schematic by eye | |
| R57 | 15K | 15k | read from the schematic by eye | |
| Capacitors 9 | ||||
| C1 | .1uF | 100n | read from the schematic by eye | |
| C2A | .1uF | 100n | read from the schematic by eye | |
| C2B | .1uF | 100n | read from the schematic by eye | |
| C2C | .1uF | 100n | read from the schematic by eye | |
| C2D | .1uF | 100n | read from the schematic by eye | |
| C2E | .1uF | 100n | read from the schematic by eye | |
| C2F | .1uF | 100n | read from the schematic by eye | |
| C3 | .1uF | 100n | read from the schematic by eye | |
| ×28 | .1uF | 100n | bypass caps, from the BOM (not drawn); read from the schematic by eye | |
| Diodes 8 | ||||
| D1A | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1B | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1C | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1D | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1E | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1F | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1G | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| D1H | 1N4148 | 1N4148 | part number from the BOM; read from the schematic by eye | |
| Transistors 12 | ||||
| Q1 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q2 | 2N3906 | 2N3906 | read from the schematic by eye | |
| Q3 | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4 | 2N3906 | 2N3906 | read from the schematic by eye | |
| Q4A | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4B | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4C | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4D | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4E | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4F | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4G | 2N3904 | 2N3904 | read from the schematic by eye | |
| Q4H | 2N3904 | 2N3904 | read from the schematic by eye | |
| ICs 12 | ||||
| U1 | TL074 | TL074 | read from the schematic by eye | |
| U2 | TL074 | TL074 | channel A; read from the schematic by eye | |
| ×5 | TL074 | TL074 | channels B-F (repeat of U2); the BOM names U4-U9; read from the schematic by eye | |
| U3 | TL074 | TL074 | channels G and H; read from the schematic by eye | |
| U10 | TL072 | TL072 | LFO1; read from the schematic by eye | |
| U11 | CA3080 | CA3080 | LFO1; read from the schematic by eye | |
| U12 | TL072 | TL072 | LFO1/LFO2 level buffers; read from the schematic by eye | |
| U13 | CA3080 | CA3080 | LFO2; read from the schematic by eye | |
| U14 | TL072 | TL072 | LFO2; read from the schematic by eye | |
| U15 | TL074 | TL074 | saw-to-tri, channels C-F; read from the schematic by eye | |
| U16 | TL072 | TL072 | saw-to-tri, channels A-B; read from the schematic by eye | |
| U17 | TL072 | TL072 | saw-to-tri, channels G-H; read from the schematic by eye | |
| Potentiometers 4 | ||||
| Freq 1 | B20K | B20k | Potentiometer | 20K lin (BOM); read from the schematic by eye |
| Level 1 | A100K | A100k | Potentiometer | 100K log; read from the schematic by eye |
| Freq 2 | B20K | B20k | Potentiometer | 20K lin (BOM); read from the schematic by eye |
| Level 2 | A100K | A100k | Potentiometer | 100K log; read from the schematic by eye |
| Trimmers 8 | ||||
| P1A | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1B | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1C | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1D | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1E | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1F | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1G | 20K | 20k | Tri Symmetry; read from the schematic by eye | |
| P1H | 20K | 20k | Tri Symmetry; read from the schematic by eye | |