Enclosure not stated · 2 knobs
Ace Tone FM-2 Fuzzmaster V2Verified
Based on the Ace Tone FM-2 Fuzzmaster V2
From the post
Bernarddur, the schematic and tracing wizard over at FSB got hands on a FM-2 a while ago. It turns out that the circuit went through some revisions during its short lifespan. The Fuzz Adjust (Tone) control had been reowrked and the recovery stage had been altered. Since it is one of my favorite vintage circuits I decided it needed another layout!😏 Schematic is avaiable HERE.
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 22 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
- D3 on the board (column 5, rows E-G): the legend lists 'D5: 1N5817' and no D3; taken as the same part
- Which of the five transistors is Q5 is not marked on the board
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 8 | ||||
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 1.8K | 1.8k | read from the layout by eye | |
| ×7 | 10K | 10k | read from the layout by eye | |
| ×4 | 15K | 15k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×7 | 100K | 100k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 100nF | 100n | read from the layout by eye | |
| ×8 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| Diodes 2 | ||||
| ×2 | 1N4148 | 1N4148 | D1, D2; 1N4148/1N914; read from the layout by eye | |
| D3 | 1N5817 | 1N5817 | legend calls it D5; read from the layout by eye | |
| Transistors 2 | ||||
| ×4 | 2N3904 | 2N3904 | Q1-Q4: 2N3904, 2N4401 etc. (2SC733 in original); read from the layout by eye | |
| Q5 | 2N5088 | 2N5088 | 2N5088, 2N5089 etc. (2SC1000 in original); read from the layout by eye | |
| Potentiometers 2 | ||||
| Fuzz Adjust | A100K | A100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Tone Select Sw | SPDT on/on | SPDT ON/ON | toggle, or DPDT footswitch; read from the layout by eye | |