Enclosure not stated
EFM Ring Mod-LFO-Preamp
- Category
- Preamp / Amp-in-a-box· Full Synths Drum Synths and Misc Synth
- Price
- see vendor
- Tags
- Full Synths Drum Synths and Misc Synth
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 37 rows
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Check before you build · 2 values the reader of this schematic was not sure of
- C6: missing from the printed parts list; value read from the low-res schematic as 1 (uF)
- P1-P3: list gives only three pots while the panel shows five knobs; which knob each is was not determined
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 20 | ||||
| R1 | 100K | 100k | read from the schematic by eye | |
| R2 | 100K | 100k | read from the schematic by eye | |
| R3 | 1K | 1k | read from the schematic by eye | |
| R4 | 10K | 10k | read from the schematic by eye | |
| R5 | 10K | 10k | read from the schematic by eye | |
| R6 | 10K | 10k | read from the schematic by eye | |
| R7 | 470 | 470 | build note on page 2: jumper R7 and add two 1N4148 to add LFO Width (1M) control; read from the schematic by eye | |
| R8 | 22K | 22k | read from the schematic by eye | |
| R9 | 47K | 47k | read from the schematic by eye | |
| R10 | 47K | 47k | read from the schematic by eye | |
| R11 | 4.7K | 4.7k | read from the schematic by eye | |
| R12 | 4.7K | 4.7k | read from the schematic by eye | |
| R13 | 4.7K | 4.7k | read from the schematic by eye | |
| R14 | 4.7K | 4.7k | read from the schematic by eye | |
| R15 | 10K | 10k | read from the schematic by eye | |
| R16 | 2.2K | 2.2k | read from the schematic by eye | |
| R17 | 2.2K | 2.2k | read from the schematic by eye | |
| R18 | 5.6K | 5.6k | read from the schematic by eye | |
| R19 | 10K | 10k | read from the schematic by eye | |
| R20 | 10K | 10k | read from the schematic by eye | |
| Capacitors 10 | ||||
| C1 | 0.1uF | 100n | read from the schematic by eye | |
| C2 | 0.1uF | 100n | read from the schematic by eye | |
| C3 | 0.1uF | 100n | read from the schematic by eye | |
| C4 | 10uF | 10u | 16V; read from the schematic by eye | |
| C5 | 10uF | 10u | 16V; read from the schematic by eye | |
| C6 | 1uF | 1u | not in the parts list; read from the schematic (LFO range cap); read from the schematic by eye | |
| C7 | 0.1uF | 100n | read from the schematic by eye | |
| C8 | 10uF | 10u | 16V; read from the schematic by eye | |
| C9 | 10uF | 10u | 16V; read from the schematic by eye | |
| C10 | 10uF | 10u | 16V; read from the schematic by eye | |
| ICs 2 | ||||
| U1 | TL074 | TL074 | parts list prints TLO74; read from the schematic by eye | |
| U2 | MC1496 | MC1496 | balanced modulator; read from the schematic by eye | |
| Potentiometers 3 | ||||
| P1 | 100K | 100k | Potentiometer | panel pot; panel knobs are Rate, Width, Pre Gain, Carrier, Mod; read from the schematic by eye |
| P2 | 50K | 50k | Potentiometer | read from the schematic by eye |
| P3 | 50K | 50k | Potentiometer | read from the schematic by eye |
| Trimmers 2 | ||||
| T1 | 10K | 10k | carrier null; read from the schematic by eye | |
| T2 | 10K | 10k | carrier null; read from the schematic by eye | |