Enclosure not stated · 4 knobs
Smallsound / Bigsound Buzzz
Based on the Smallsound/Bigsound Buzzz· 1 other board clones it
From the post
Schematic is avaiable HERE. Note thjat the Deadend mods that are includued in the schematic are omitted for the layout octave trimpot, starve jumper...).
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 42 rows
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Check before you build · 2 values the reader of this layout was not sure of
- two parts printed 10nF (column 2 rows N-O, column 10 rows N-O) are drawn as electrolytic cans like the 10uF parts: possibly 10uF misprinted; kept as printed
- 3.2nF twice (row B columns 2-5, column 16 rows N-P): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 17 | ||||
| ×7 | 10K | 10k | read from the layout by eye | |
| ×5 | 100K | 100k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×2 | 47K | 47k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×2 | 470Ω | 470 | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| ×1 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 150K | 150k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 470K | 470k | read from the layout by eye | |
| ×1 | 680K | 680k | read from the layout by eye | |
| ×1 | 1M | 1M | read from the layout by eye | |
| ×2 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| Capacitors 7 | ||||
| ×1 | 2.7nF | 2.7n | read from the layout by eye | |
| ×2 | 3.2nF | 3.2n | read from the layout by eye | |
| ×2 | 10nF | 10n | drawn as electrolytic cans; read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 1uF | 1u | film box; read from the layout by eye | |
| ×9 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 220uF | 220u | electrolytic; read from the layout by eye | |
| Diodes 3 | ||||
| ×2 | 1N4148 | 1N4148 | D1, D2; legend: 1N4148/1N914; read from the layout by eye | |
| ×2 | Germanium | GERMANIUM | D3, D4; type not given; read from the layout by eye | |
| D5 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 6 | ||||
| Q1 | BC108 | BC108 | read from the layout by eye | |
| Q2 | 2N4401 | 2N4401 | read from the layout by eye | |
| Q3 | 2N4401 | 2N4401 | read from the layout by eye | |
| Q4 | 2N4401 | 2N4401 | matched with Q5; read from the layout by eye | |
| Q5 | 2N4401 | 2N4401 | matched with Q4; read from the layout by eye | |
| Q6 | 2N5089 | 2N5089 | read from the layout by eye | |
| Potentiometers 4 | ||||
| Treble | B10K | B10k | Potentiometer | read from the layout by eye |
| Starve | B5K | B5k | Potentiometer | read from the layout by eye |
| Gain | A100K | A100k | Potentiometer | read from the layout by eye |
| Volume | A100K | A100k | Potentiometer | read from the layout by eye |
| Switches 5 | ||||
| Clip | SPDT on/on | SPDT ON/ON | toggle; read from the layout by eye | |
| Gain | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Mode T | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Octave/EQ | DPDT on/on | DPDT ON/ON | toggle; read from the layout by eye | |
| Mode | 3PDT | 3PDT | footswitch (Mode FSw); read from the layout by eye | |
Other boards based on the Smallsound/Bigsound Buzzz
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