Enclosure not stated · 1 knob
Dunlop GCB-100 Bass CrybabyVerified
Based on the Dunlop GCB-100 Bass Crybaby
- Category
- Wah / Envelope
- Controls
- Wah
- Build
- Vero· 21×12· 10 cuts, 5 links
- Layout
- Verified · Tagboard Effects marks it as built and working
- Tags
- Bass, Dunlop, Wah
From the post
Dunlop's classic Crybaby Wah that was modded for use with bass. Not much else to really say about it.
Schematic
This is a board layout, a drawing of where each part goes, and the post may link the schematic it was drawn from. Open the layout at Tagboard Effects. No KiCad fragment has been drawn for this circuit yet.
Parts list 24 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 layout was not sure of
- D1: legend prints ZL9M3 - printed clearly, unusual part number (possibly a 9V zener)
- 22k at column L is partly covered by the 220uF can, read as 22k
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×2 | 1k | 1k | read from the layout by eye | |
| ×1 | 1.8M | 1.8M | read from the layout by eye | |
| ×1 | 2.2M | 2.2M | read from the layout by eye | |
| ×2 | 10k | 10k | read from the layout by eye | |
| ×1 | 68k | 68k | read from the layout by eye | |
| ×1 | 1.5k | 1.5k | read from the layout by eye | |
| ×1 | 22k | 22k | read from the layout by eye | |
| ×1 | 390r | 390 | read from the layout by eye | |
| ×2 | 470k | 470k | read from the layout by eye | |
| ×1 | 33k | 33k | read from the layout by eye | |
| ×1 | 82k | 82k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×2 | 10nF | 10n | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×2 | 220nF | 220n | read from the layout by eye | |
| ×1 | 22pF | 22p | read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| ×1 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | ZL9M3 | ZL9M3 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | MPSA13 | MPSA13 | read from the layout by eye | |
| Q2 | MPSA18 | MPSA18 | read from the layout by eye | |
| Q3 | MPSA18 | MPSA18 | read from the layout by eye | |
| Inductors 1 | ||||
| ×1 | 500mH | 500mH | inductor; read from the layout by eye | |
| Potentiometers 1 | ||||
| Wah | 100K | 100k | Potentiometer | wah pot; read from the layout by eye |