Enclosure not stated · 2 knobs
Conrad Buzz Box & Volume ExpanderVerified
Based on the Conrad Buzz Box & Volume Expander
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 11 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| ×3 | 1M | 1M | read from the layout by eye | |
| ×2 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 27K | 27k | read from the layout by eye | |
| Capacitors 3 | ||||
| ×2 | 150nF | 150n | read from the layout by eye | |
| ×3 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 10uF | 10u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | Germanium | GERMANIUM | legend: Germanium, no type given; read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | RCA2613 | RCA2613 | or other PNP germanium; read from the layout by eye | |
| Q2 | RCA2613 | RCA2613 | or other PNP germanium; read from the layout by eye | |
| Potentiometers 2 | ||||
| Buzz | B100K | B100k | Potentiometer | read from the layout by eye |
| Volume | B100K | B100k | Potentiometer | read from the layout by eye |