Enclosure not stated
Amp with Tunable Filter
- Category
- EQ / Filter· Amplifiers and VCAs
- Price
- see vendor
- Tags
- Amplifiers and VCAs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 35 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| R1 | 220K | 220k | read from the schematic by eye | |
| R2 | 220K | 220k | read from the schematic by eye | |
| R3 | 220K | 220k | read from the schematic by eye | |
| R4 | 220K | 220k | read from the schematic by eye | |
| R5 | 470K | 470k | read from the schematic by eye | |
| R6 | 470K | 470k | read from the schematic by eye | |
| R7 | 470K | 470k | read from the schematic by eye | |
| R8 | 470K | 470k | read from the schematic by eye | |
| R9 | 4.7K | 4.7k | read from the schematic by eye | |
| R10 | 4.7K | 4.7k | 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 | 10K | 10k | read from the schematic by eye | |
| R14 | 10K | 10k | read from the schematic by eye | |
| R15 | 47Ω | 47 | read from the schematic by eye | |
| R16 | 10Ω | 10 | read from the schematic by eye | |
| Capacitors 13 | ||||
| C1 | .002uF | 2n | read from the schematic by eye | |
| C2 | .002uF | 2n | read from the schematic by eye | |
| C3 | .002uF | 2n | read from the schematic by eye | |
| C4 | .002uF | 2n | read from the schematic by eye | |
| C5 | .002uF | 2n | read from the schematic by eye | |
| C6 | .002uF | 2n | read from the schematic by eye | |
| C7 | .002uF | 2n | read from the schematic by eye | |
| C8 | .002uF | 2n | read from the schematic by eye | |
| C9 | .1uF | 100n | read from the schematic by eye | |
| C10 | 47uF | 47u | electrolytic; read from the schematic by eye | |
| C11 | 4.7uF | 4.7u | electrolytic; read from the schematic by eye | |
| C12 | 220uF | 220u | electrolytic; read from the schematic by eye | |
| C13 | 220uF | 220u | electrolytic, output coupling; read from the schematic by eye | |
| ICs 2 | ||||
| U1 | LM324 | LM324 | quad op amp, U1a-U1d; read from the schematic by eye | |
| U2 | LM386 | LM386 | power amp; read from the schematic by eye | |
| Potentiometers 3 | ||||
| R17 | 50K | 50k | Potentiometer | dual-gang (R17a/R17b), filter tuning; read from the schematic by eye |
| R18 | 50K | 50k | Potentiometer | dual-gang (R18a/R18b), filter tuning; read from the schematic by eye |
| Volume | 5K | 5k | Potentiometer | R19; read from the schematic by eye |
| Switches 1 | ||||
| S1 | 2P6T | 2P6T | rotary, S1-a selects filter output, S1-b power with OFF position; read from the schematic by eye | |