Enclosure not stated
ETI Wah Wah unit
- Category
- Wah / Envelope· Filters Wahs and VCFs
- Price
- see vendor
- Tags
- Filters Wahs and VCFs
Schematic
The schematic is the archived file. Open it at Experimentalists Anonymous, or browse its folder.
Parts list 42 rows
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Check before you build · 1 value the reader of this schematic was not sure of
- VR1: value read from a blurry scan as 100k; it is not in the parts list
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 15 | ||||
| R1 | 47k | 47k | read from the schematic by eye | |
| R2 | 39k | 39k | read from the schematic by eye | |
| R3 | 2k2 | 2.2k | read from the schematic by eye | |
| R4 | 470R | 470 | 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 | 47k | 47k | read from the schematic by eye | |
| R9 | 39k | 39k | read from the schematic by eye | |
| R10 | 820R | 820 | read from the schematic by eye | |
| R11 | 680R | 680 | read from the schematic by eye | |
| R12 | 1k | 1k | read from the schematic by eye | |
| R13 | 82k | 82k | read from the schematic by eye | |
| R14 | 1k | 1k | read from the schematic by eye | |
| R15 | 1k | 1k | read from the schematic by eye | |
| Capacitors 16 | ||||
| C1 | 30uF | 30u | read from the schematic by eye | |
| C2 | 0.1uF | 100n | read from the schematic by eye | |
| C3 | 100uF | 100u | read from the schematic by eye | |
| C4 | 3900pF | 3.9n | read from the schematic by eye | |
| C5 | .015uF | 15n | read from the schematic by eye | |
| C6 | 1.0uF | 1u | read from the schematic by eye | |
| C7 | .15uF | 150n | read from the schematic by eye | |
| C8 | 2.5uF | 2.5u | read from the schematic by eye | |
| C9 | 1.0uF | 1u | read from the schematic by eye | |
| C10 | 4.7uF | 4.7u | read from the schematic by eye | |
| C11 | .01uF | 10n | read from the schematic by eye | |
| C12 | 100uF | 100u | read from the schematic by eye | |
| C13 | 100uF | 100u | read from the schematic by eye | |
| C14 | 100uF | 100u | read from the schematic by eye | |
| C15 | 1.0uF | 1u | read from the schematic by eye | |
| C16 | 5uF | 5u | read from the schematic by eye | |
| Transistors 7 | ||||
| Q1 | BC109C | BC109C | read from the schematic by eye | |
| Q2 | BC109 | BC109 | 'or similar'; read from the schematic by eye | |
| Q3 | BC109 | BC109 | 'or similar'; read from the schematic by eye | |
| Q4 | BC109 | BC109 | 'or similar'; read from the schematic by eye | |
| Q5 | BC109C | BC109C | read from the schematic by eye | |
| Q6 | BC109 | BC109 | 'or similar'; read from the schematic by eye | |
| Q7 | BC109 | BC109 | 'or similar'; read from the schematic by eye | |
| Inductors 1 | ||||
| L1 | 180mH | 180mH | Maplin 'L5'; or 424 turns 38swg on Mullard LA4543 core; read from the schematic by eye | |
| Potentiometers 1 | ||||
| VR1 | 100k | 100k | Potentiometer | oscillator rate; on the schematic only, not in the parts list; read from the schematic by eye |
| Switches 2 | ||||
| SW1 | SPDT | SPDT | single-pole changeover foot switch (sweep); read from the schematic by eye | |
| SW2 | SPDT | SPDT | single-pole changeover foot switch (auto); read from the schematic by eye | |