Enclosure not stated
EHX LFO
Based on the Electro-Harmonix LFO
- Category
- Ring Mod / Synth· Oscillators LFOs and Signal Generators
- Price
- see vendor
- Tags
- Oscillators LFOs and Signal Generators
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 25 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 12 | ||||
| R1 | 910k | 910k | read from the schematic by eye | |
| R2 | 15k | 15k | read from the schematic by eye | |
| R3 | 3.3k | 3.3k | read from the schematic by eye | |
| R4 | 13k | 13k | read from the schematic by eye | |
| R5 | 12k | 12k | read from the schematic by eye | |
| R6 | 10k | 10k | read from the schematic by eye | |
| R7 | 27k | 27k | read from the schematic by eye | |
| R8 | 910k | 910k | read from the schematic by eye | |
| R9 | 27k | 27k | read from the schematic by eye | |
| R10 | 10k | 10k | read from the schematic by eye | |
| R11 | 10 | 10 | 10 ohm supply resistor; read from the schematic by eye | |
| R12 | 120k | 120k | read from the schematic by eye | |
| Capacitors 8 | ||||
| C5 | 100uF | 100u | electrolytic, supply filter; read from the schematic by eye | |
| C6 | 4.7uF | 4.7u | tantalum; read from the schematic by eye | |
| C7 | 4.7uF | 4.7u | tantalum; read from the schematic by eye | |
| C8 | 1uF | 1u | polarized; read from the schematic by eye | |
| C9 | 1uF | 1u | polarized; read from the schematic by eye | |
| C10 | .001uF | 1n | read from the schematic by eye | |
| C11 | 240pF | 240p | read from the schematic by eye | |
| C12 | .001uF | 1n | read from the schematic by eye | |
| Diodes 1 | ||||
| D1 | 1N4001 | 1N4001 | read from the schematic by eye | |
| ICs 2 | ||||
| U1 | RC4558 | RC4558 | dual op amp (U1A/U1B); read from the schematic by eye | |
| U2 | 4047 | 4047 | CD4047 multivibrator; pins 5,6 to +Vcc, 7,8,9,12 to GND, 13 NC; read from the schematic by eye | |
| Potentiometers 1 | ||||
| R13 | 100k | 100k | Potentiometer | variable resistor (rate), no taper given; read from the schematic by eye |
| Switches 1 | ||||
| SW1 | DPDT | DPDT | positions 1&4 = Echo, 3&6 = Chorus; read from the schematic by eye | |