Enclosure not stated · 4 knobs
Ramble Fx Marble Drive
Based on the Ramble FX Marvel Drive· 3 other boards clone it
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 31 rows
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Check before you build · 2 values the reader of this layout was not sure of
- Pots: the legend names Presence A500K and Master A25K but the board wires are labelled Volume 1/3 (Volume 2 to Output); Master is taken to be the Volume pot and Presence has no wire labels on the drawing
- 330uF electrolytic at column 11 rows M-N: printed clearly, unusual value
| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 11 | ||||
| ×1 | ? | ? | LED resistor, value not given; read from the layout by eye | |
| ×1 | 820Ω | 820 | read from the layout by eye | |
| ×1 | 1K | 1k | read from the layout by eye | |
| ×1 | 2.7K | 2.7k | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 27K | 27k | read from the layout by eye | |
| ×2 | 33K | 33k | read from the layout by eye | |
| ×1 | 68K | 68k | read from the layout by eye | |
| ×1 | 100K | 100k | read from the layout by eye | |
| ×2 | 470K | 470k | read from the layout by eye | |
| ×4 | 1M | 1M | read from the layout by eye | |
| Capacitors 13 | ||||
| ×1 | 100pF | 100p | read from the layout by eye | |
| ×2 | 180pF | 180p | read from the layout by eye | |
| ×1 | 330pF | 330p | read from the layout by eye | |
| ×1 | 470pF | 470p | read from the layout by eye | |
| ×1 | 1.5nF | 1.5n | read from the layout by eye | |
| ×2 | 2.2nF | 2.2n | read from the layout by eye | |
| ×1 | 3.9nF | 3.9n | read from the layout by eye | |
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×2 | 100nF | 100n | read from the layout by eye | |
| ×1 | 680nF | 680n | read from the layout by eye | |
| ×1 | 1uF | 1u | electrolytic; read from the layout by eye | |
| ×1 | 100uF | 100u | 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 1 | ||||
| ×5 | J201 | J201 | JFET; Q1-Q5; read from the layout by eye | |
| Potentiometers 4 | ||||
| Treble | A1M | A1M | Potentiometer | read from the layout by eye |
| Normal | A1M | A1M | Potentiometer | read from the layout by eye |
| Presence | A500K | A500k | Potentiometer | in the legend, no wire labels on the board; read from the layout by eye |
| Master | A25K | A25k | Potentiometer | board wires labelled Volume; read from the layout by eye |
| Trimmers 1 | ||||
| ×3 | 50K | 50k | read from the layout by eye | |
Other boards based on the Ramble FX Marvel Drive
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- Ramble FX Marvel Drive Tagboard Effects · 1590B