Enclosure not stated · 2 knobs
Roland AD-50 Double Beat MOJO layout
Based on the Roland AD-50 Double Beat· 3 other boards clone it
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
- 250pF at column 19 rows M-O: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×1 | 2.2K | 2.2k | read from the layout by eye | |
| ×1 | 820K | 820k | read from the layout by eye | |
| ×1 | 120K | 120k | read from the layout by eye | |
| ×3 | 22K | 22k | read from the layout by eye | |
| ×2 | 1M | 1M | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×1 | 1.2K | 1.2k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| ×2 | 150K | 150k | read from the layout by eye | |
| ×1 | 330K | 330k | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| Capacitors 8 | ||||
| ×1 | 47pF | 47p | read from the layout by eye | |
| ×1 | 250pF | 250p | suggested mod: increase to 1nF-1.5nF; read from the layout by eye | |
| ×1 | 4.7nF | 4.7n | read from the layout by eye | |
| ×1 | 6.8nF | 6.8n | read from the layout by eye | |
| ×1 | 10nF | 10n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×2 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| D1 | 1N5817 | 1N5817 | read from the layout by eye | |
| Transistors 3 | ||||
| Q1 | PN2222 | PN2222 | PN2222, MPSA06 etc. (2SC1000 in original); read from the layout by eye | |
| Q2 | PN2222 | PN2222 | PN2222, MPSA06 etc. (2SC1000 in original); read from the layout by eye | |
| Q3 | PN2222 | PN2222 | PN2222, MPSA06 etc. (2SC1000 in original); read from the layout by eye | |
| Potentiometers 2 | ||||
| Sustain | B10K | B10k | Potentiometer | read from the layout by eye |
| Volume | B50K | B50k | Potentiometer | read from the layout by eye |
| Switches 1 | ||||
| Switch | 4P3T rotary | 4P3T ROTARY | read from the layout by eye | |
Other boards based on the Roland AD-50 Double Beat
- Argus Aion FX · 125B · $12.50
- Fubble Wubble Dead End FX · $15.00
- Roland AD-50 Double Beat w. mods by Mark Hammer Dirtbox Layouts