Enclosure not stated · 5 knobs
Baltimore Sonic Research Institute FZZ
Based on the Baltimore Sonic Research Institute FZZ
From the post
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 43 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 13 | ||||
| ×11 | 10K | 10k | read from the layout by eye | |
| ×7 | 100K | 100k | read from the layout by eye | |
| ×3 | 1K | 1k | read from the layout by eye | |
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 27K | 27k | read from the layout by eye | |
| ×2 | 3.3K | 3.3k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 1.8K | 1.8k | read from the layout by eye | |
| ×1 | 47K | 47k | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 1.5K | 1.5k | read from the layout by eye | |
| Capacitors 14 | ||||
| ×1 | 10pF | 10p | read from the layout by eye | |
| ×2 | 47pF | 47p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 33nF | 33n | read from the layout by eye | |
| ×2 | 47nF | 47n | read from the layout by eye | |
| ×3 | 100nF | 100n | read from the layout by eye | |
| ×1 | 220nF | 220n | read from the layout by eye | |
| ×5 | 1uF | 1u | film box; read from the layout by eye | |
| ×1 | 2.2uF | 2.2u | electrolytic; read from the layout by eye | |
| ×4 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×2 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D3 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 4 | ||||
| Q1 | 2N3904 | 2N3904 | read from the layout by eye | |
| Q2 | 2N3904 | 2N3904 | read from the layout by eye | |
| Q3 | 2N3904 | 2N3904 | read from the layout by eye | |
| Q4 | 2N3904 | 2N3904 | read from the layout by eye | |
| ICs 3 | ||||
| IC1 | TL072 | TL072 | read from the layout by eye | |
| IC2 | TL072 | TL072 | read from the layout by eye | |
| IC3 | TL072 | TL072 | read from the layout by eye | |
| Potentiometers 6 | ||||
| High | B50K | B50k | Potentiometer | read from the layout by eye |
| Low | B50K | B50k | Potentiometer | read from the layout by eye |
| Mid | B10K | B10k | Potentiometer | read from the layout by eye |
| Balance | B100K | B100k | Potentiometer | read from the layout by eye |
| In | A50K | A50k | Potentiometer | read from the layout by eye |
| Out | A50K | A50k | Potentiometer | read from the layout by eye |
| LEDs 2 | ||||
| D1 | 3mm LED | 3MM LED | on the board; read from the layout by eye | |
| D2 | 3mm LED | 3MM LED | on the board; read from the layout by eye | |