Enclosure not stated
EHX Fuzz Wah Volume
Based on the Electro-Harmonix Fuzz Wah Volume
- Category
- Fuzz· Fuzz and Fuzzy Noisemakers
- Price
- see vendor
- Tags
- Fuzz and Fuzzy Noisemakers
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 32 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 schematic was not sure of
- S2: three-position selector drawn with a single blade, read as SP3T
- S3: read as a three-pole changeover from the dashed ganging line
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×2 | 100k | 100k | fuzz input resistor; wah bias divider; read from the schematic by eye | |
| ×3 | 470k | 470k | 1458 feedback; wah bias; Q2 base feed; read from the schematic by eye | |
| ×2 | 10k | 10k | fuzz stage input; Q2 emitter; read from the schematic by eye | |
| ×2 | 680k | 680k | 1458 bias divider; read from the schematic by eye | |
| ×1 | 1k | 1k | Q2 collector; read from the schematic by eye | |
| ×1 | 33k | 33k | wah bias; read from the schematic by eye | |
| ×1 | 22k | 22k | Q1 collector; read from the schematic by eye | |
| ×1 | 1.5k | 1.5k | Q1 collector to output; read from the schematic by eye | |
| ×1 | 68k | 68k | Q1 output; read from the schematic by eye | |
| ×1 | 470Ω | 470 | Q1 emitter (drawn 470 ohms); read from the schematic by eye | |
| Capacitors 9 | ||||
| ×2 | .022uf | 22n | fuzz input; wah output; read from the schematic by eye | |
| ×2 | 10uf | 10u | electrolytic; 1458 bias and wah bias filter; read from the schematic by eye | |
| ×1 | .1uf | 100n | fuzz output; read from the schematic by eye | |
| ×2 | .22uf | 220n | wah feedback network; read from the schematic by eye | |
| ×1 | .0033uf | 3.3n | S4 tone position; read from the schematic by eye | |
| ×1 | .01uf | 10n | S4 tone position; read from the schematic by eye | |
| ×1 | .047uF | 47n | S4 tone position (drawn .047); read from the schematic by eye | |
| ×1 | .1uf | 100n | S4 tone position; read from the schematic by eye | |
| ×1 | .0022uf | 2.2n | wah filter, always in circuit; read from the schematic by eye | |
| Diodes 2 | ||||
| D1 | Diode | DIODE | note: any signal diode; read from the schematic by eye | |
| D2 | Diode | DIODE | note: any signal diode; read from the schematic by eye | |
| Transistors 2 | ||||
| Q1 | 2n3565 | 2N3565 | NPN (note: Q1 & Q2 are 2n3565); read from the schematic by eye | |
| Q2 | 2n3565 | 2N3565 | NPN; read from the schematic by eye | |
| ICs 1 | ||||
| ×1 | 1458 | 1458 | dual op amp, fuzz stages; read from the schematic by eye | |
| Inductors 1 | ||||
| ×1 | 500mh | 500MH | wah inductor; read from the schematic by eye | |
| Potentiometers 2 | ||||
| ×1 | 100k | 100k | Potentiometer | fuzz level; read from the schematic by eye |
| ×1 | 100k | 100k | Potentiometer | wah/volume treadle pot, sweep reversed by S5; read from the schematic by eye |
| Switches 5 | ||||
| S1 | DPDT | DPDT | fuzz bypass; read from the schematic by eye | |
| S2 | SP3T | SP3T | fuzz / wah-volume / fuzz into wah-volume; read from the schematic by eye | |
| S3 | 3PDT | 3PDT | volume or wah-wah; read from the schematic by eye | |
| S4 | SP4T | SP4T | filter tone; read from the schematic by eye | |
| S5 | DPDT | DPDT | sweep reverse; read from the schematic by eye | |