125B · 4 knobs
Chunk Systems Brown DogVerified
Based on the Chunk Systems Brown Dog· 4 other boards clone it
From the post
Got a bass fuzz for Fuzz Friday this week. It's a gated fuzz with both clean and dirty level controls, an envelope jack to use with funk-style effects, and a soft/hard clipping switch. From the manufacturer:
The Brown Dog enables you to produce rampaging waves of meat with your bass guitar while still keeping your basslines tight and letting the character of your instrument's tone shine through. With two fuzz modes (hard and soft), a mixing stage and a unique gating circuit the Brown Dog gives you a wide range of fuzzy and synthy bass tones.
I've laid it out for board mounted pots and will probably fit best in a 125B, but it will probably fit in a 1590B if you omit the envelope jack.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 20 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×5 | 2.2M | 2.2M | read from the layout by eye | |
| ×5 | 1M | 1M | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×2 | 10K | 10k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 10M | 10M | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| Capacitors 3 | ||||
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×3 | 4.7uF | 4.7u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4004 | 1N4004 | read from the layout by eye | |
| ICs 1 | ||||
| ×1 | TL074 | TL074 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Drive | A100K | A100k | Potentiometer | read from the layout by eye |
| Gate | A100K | A100k | Potentiometer | read from the layout by eye |
| Clean | A100K | A100k | Potentiometer | read from the layout by eye |
| Dirty | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Soft | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| LEDs 2 | ||||
| D1 | 3mm LED | 3MM LED | read from the layout by eye | |
| D2 | 3mm LED | 3MM LED | read from the layout by eye | |
Other boards based on the Chunk Systems Brown Dog
- Chunk Systems Brown Dog Dirtbox Layouts
- Chestnut Mutt Bass Fuzz Fuzz Dog · 1590B · £38.40
- Gastank Madbean · 125B · $11.00
- Chunk Systems - Brown Dog Tagboard Effects