125B · 5 knobs
AmpTweaker Tight MetalVerified
Based on the Amptweaker Tight Metal· 3 other boards clone it
- Category
- Distortion
- Build
- Perfboard
- Layout
- Verified · Effects Layouts (blog) marks it as built and working
- Tags
- AmpTweaker, Distortion
From the post
Got a lot of requests for this one. The Tight Metal is an over the top crunch machine for metal players. It has 2 effects loops, which not everyone will want. So just jumper those pads if you don't want that feature. The Gate pot is an internal trimmer, but I thought it might be useful off the board. This effect can be run off either +9v or +18v, and you should be able to fit this in a 125B.
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 39 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
- 47.5K x4 and 475K x3: printed clearly, unusual (E96) values
- 4733 x3 read as 1N4733 zeners (printed without prefix)
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 16 | ||||
| ×3 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 18K | 18k | read from the layout by eye | |
| ×4 | 47.5K | 47.5k | read from the layout by eye | |
| ×1 | 6.8K | 6.8k | read from the layout by eye | |
| ×3 | 475K | 475k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×6 | 100K | 100k | read from the layout by eye | |
| ×3 | 150K | 150k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×4 | 10K | 10k | read from the layout by eye | |
| ×1 | 22K | 22k | read from the layout by eye | |
| ×3 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 330Ω | 330 | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| Capacitors 11 | ||||
| ×9 | 100nF | 100n | read from the layout by eye | |
| ×3 | 220nF | 220n | read from the layout by eye | |
| ×2 | 33nF | 33n | read from the layout by eye | |
| ×1 | 47nF | 47n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 1.2nF | 1.2n | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×3 | 22uF | 22u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×2 | 1N4004 | 1N4004 | read from the layout by eye | |
| ×3 | 1N4733 | 1N4733 / 5V1 | zener, printed 4733; read from the layout by eye | |
| ×4 | 1N4148 | 1N4148 | read from the layout by eye | |
| ICs 2 | ||||
| ×1 | TL074 | TL074 | read from the layout by eye | |
| ×1 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 5 | ||||
| Tight | B100K | B100k | Potentiometer | read from the layout by eye |
| Gain | A500K | A500k | Potentiometer | read from the layout by eye |
| Gate | B500K | B500k | Potentiometer | read from the layout by eye |
| Tone | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | B10K | B10k | Potentiometer | read from the layout by eye |
| Switches 2 | ||||
| Gate Switch | SPST | SPST | read from the layout by eye | |
| Trash Switch | SPST | SPST | read from the layout by eye | |
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