Enclosure not stated · 3 knobs
Fuzzhead Fx Pink GoatVerified
Based on the Fuzzhead Fx Pink Goat
From the post
My take on Roland AF-100 Bee Baa. Ditched the boost switch and one of the tone settings but added two new ones. "Highs" switch toggles between stock (middle position) and two settings that cut some highs:-). The other switch named "Notch" toggles between three settings in the twin notch circuit. Middle position has 10nF to ground which gives a full sounds with lower mids. The two other settings is closer to stock Bee Baa tone with varying degree of scooped mids. Combining those switches quite ba broad variety of tones; harsh and thin to wooly and bassy.
This one is verified.
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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 Dirtbox Layouts. No KiCad fragment has been drawn for this circuit yet.
Parts list 29 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 7 | ||||
| ×4 | 1K | 1k | read from the layout by eye | |
| ×3 | 1.8K | 1.8k | read from the layout by eye | |
| ×3 | 10K | 10k | read from the layout by eye | |
| ×3 | 15K | 15k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×3 | 100K | 100k | read from the layout by eye | |
| Capacitors 13 | ||||
| ×1 | 270pF | 270p | read from the layout by eye | |
| ×1 | 1.8nF | 1.8n | read from the layout by eye | |
| ×1 | 3.3nF | 3.3n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 8.2nF | 8.2n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 27nF | 27n | read from the layout by eye | |
| ×1 | 68nF | 68n | read from the layout by eye | |
| ×4 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×3 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | BC109B | BC109B | read from the layout by eye | |
| Q2 | BC109C | BC109C | read from the layout by eye | |
| Q3 | BC109C | BC109C | read from the layout by eye | |
| Potentiometers 3 | ||||
| Sustain | A100K | A100k | Potentiometer | read from the layout by eye |
| Tone | A100K | A100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 2 | ||||
| Notch | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
| Highs | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |