Enclosure not stated · 2 knobs
DOD 250 Overdrive Preamp
Based on the DOD 250 Overdrive Preamp· 11 other boards clone it
Questions about this layout? EfektPol drew it: message @efektpol on Instagram.
- Category
- Overdrive
- Build
- Turret board
- Tags
- turret board, DIY Layout Creator, CC BY-NC-SA 4.0
From the post
DOD 250 Overdrive Preamp is a turret board layout of the DOD 250 Overdrive Preamp by EfektPol (@efektpol on Instagram), who shared it to be hosted here. The grey-box DOD 250: a 741 op-amp gain stage into a pair of silicon clipping diodes.
The layout is a DIY Layout Creator drawing of two terminal strips. EfektPol shares it under the same Creative Commons BY-NC-SA 4.0 license as the layouts on this wiki.
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 EfektPol. No KiCad fragment has been drawn for this circuit yet.
Parts list 21 rows
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| Ref | Value | Normalized | Type | Notes |
|---|---|---|---|---|
| Resistors 9 | ||||
| R1 | 10k | 10k | ||
| R2 | 1M | 1M | ||
| R3 | 47k | 47k | ||
| R4 | 100R | 100 | ||
| R5 | 20k | 20k | ||
| R6 | 470k | 470k | ||
| R7 | 20k | 20k | ||
| R8 | 10k | 10k | ||
| R9 | 1.5M | 1.5M | ||
| Capacitors 7 | ||||
| C1 | 22uF | 22u | Electrolytic | |
| C2 | 2.2nF | 2.2n | Film | |
| C3 | 25pF | 25p | Ceramic | |
| C4 | 47nF | 47n | Film | |
| C5 | 10uF | 10u | Electrolytic | |
| C6 | 10nF | 10n | Film | |
| C7 | 2.2nF | 2.2n | Film | |
| Diodes 2 | ||||
| D1 | 1N4148 | 1N4148 | ||
| D2 | 1N4148 | 1N4148 | ||
| ICs 1 | ||||
| IC1 | LM741 | LM741 | Pins are labeled on the terminals | |
| Potentiometers 2 | ||||
| Level | A100k | A100k | Potentiometer | 16mm pot |
| Gain | C500k | C500k | Potentiometer | 16mm pot |
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