1590A · 1 knob
MI Audio Boost 'n' Buff V1Verified
Based on the MI Audio Boost 'n' Buff V1· 1 other board clones it
From the post
The Boost 'n' Buff is a simple little booster that doubles as a buffer when it's turned off (so it's not a true bypass effect). You should be able to squeeze this one in a 1590A. The FSw pads are for the bypass footswitch. If you want to build the second version of the Boost 'n' Buff, add a B20k to the output as a volume control.
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 Effects Layouts (blog). No KiCad fragment has been drawn for this circuit yet.
Parts list 10 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 3 | ||||
| ×1 | 8.2M | 8.2M | read from the layout by eye | |
| ×2 | 22K | 22k | read from the layout by eye | |
| ×1 | 220K | 220k | read from the layout by eye | |
| Capacitors 4 | ||||
| ×1 | 22nF | 22n | read from the layout by eye | |
| ×1 | 220pF | 220p | read from the layout by eye | |
| ×2 | 1uF | 1u | box film; read from the layout by eye | |
| ×1 | 100uF | 100u | electrolytic; read from the layout by eye | |
| Diodes 1 | ||||
| ×1 | 1N4001 | 1N4001 | read from the layout by eye | |
| Transistors 1 | ||||
| Q1 | BC549C | BC549C | read from the layout by eye | |
| Potentiometers 1 | ||||
| Gain | C10K | C10k | Potentiometer | read from the layout by eye |
Other boards based on the MI Audio Boost 'n' Buff V1
- MI Audio Boost & Buff Tagboard Effects