Enclosure not stated · 3 knobs
Hudson Electronics Broadcast 9v/24vVerified
Based on the Hudson Electronics Broadcast· 6 other boards clone it
From the post
This pedal comes in two options, one that has an onboard charge pump for 24v operation and one without so here is two layouts for it.... *Edit* 9v version is now verified.
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 26 rows
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Check before you build · 1 value the reader of this layout was not sure of
- 450Ω at column 2, rows K-M (bottom left): printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 10 | ||||
| ×4 | 5.6K | 5.6k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×2 | 1K | 1k | read from the layout by eye | |
| ×1 | 56K | 56k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×1 | 15K | 15k | read from the layout by eye | |
| ×1 | 4.7K | 4.7k | read from the layout by eye | |
| ×1 | 10Ω | 10 | read from the layout by eye | |
| ×1 | 68Ω | 68 | read from the layout by eye | |
| ×1 | 450Ω | 450 | read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 1nF | 1n | read from the layout by eye | |
| ×1 | 330nF | 330n | read from the layout by eye | |
| ×2 | 10uF | 10u | electrolytic; read from the layout by eye | |
| ×1 | 47uF | 47u | electrolytic; read from the layout by eye | |
| ×3 | 100uF | 100u | electrolytic; read from the layout by eye | |
| ×2 | 120uF | 120u | electrolytic; read from the layout by eye | |
| ×1 | 330uF | 330u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 2 | ||||
| Q1 | BC549C | BC549C | read from the layout by eye | |
| Q2 | OC71 | OC71 | germanium; read from the layout by eye | |
| Transformers 1 | ||||
| TR1 | TY-141P | TY-141P | read from the layout by eye | |
| Potentiometers 3 | ||||
| Gain Trim | A250K | A250k | Potentiometer | read from the layout by eye |
| Low Cut | A10K | A10k | Potentiometer | read from the layout by eye |
| Level | B25K | B25k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | SPDT on/off/on | SPDT ON/OFF/ON | toggle; read from the layout by eye | |
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