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ZVex Woolly Mammoth - veroVerified
Based on the Z.Vex Woolly Mammoth· 15 other boards clone it
From the post
I had a request for a vero of the Mastotron, so here's the Woolly Mammoth which is virtually the same, with the Mastotron just having an additional 100K linear pot which the input is taken to before the first capacitor.
The new input wiring with the Relax/Pull pot can be seen on my tagboard layout here:
http://tagboardeffects.blogspot.com/2010/02/zvex-mastotron.html
This layout is also verified:
Geiri's demo of his build:
And Finally. In case anyone runs into problems, here are thevoltages from a working board with all the pots maxed.
Supply at 9,33V
Q1 Emitter: 0V, Base 0,58V, Collector 1,2V
Q2 Emitter: 0,88V, Base 1,2V, Collector 2,3V
Yours should be around 10% away from these.
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 15 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
- 4K99 right of the link: printed clearly, unusual value
- 20K upper left: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 6 | ||||
| ×1 | 51K | 51k | read from the layout by eye | |
| ×1 | 20K | 20k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 2K2 | 2.2k | read from the layout by eye | |
| ×1 | 4K99 | 4.99k | read from the layout by eye | |
| ×1 | 10K | 10k | read from the layout by eye | |
| Capacitors 3 | ||||
| ×2 | 220n | 220n | read from the layout by eye | |
| ×2 | 10n | 10n | read from the layout by eye | |
| ×2 | 100u | 100u | electrolytic; read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | 2N3904 | 2N3904 | read from the layout by eye | |
| Q2 | 2N3904 | 2N3904 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Wool | B2K | B2k | Potentiometer | read from the layout by eye |
| Pinch | B500K | B500k | Potentiometer | read from the layout by eye |
| EQ | B10K | B10k | Potentiometer | read from the layout by eye |
| Output | B10K | B10k | Potentiometer | read from the layout by eye |
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