A through-hole PCB clone of the classic DOD 250 Overdrive Preamp — TL071, 1N4148 hard clipping, GAIN and LEVEL controls, true-bypass 3PDT switching, 9 V barrel jack or battery. Pick the guide for your board revision:
Which board do I have?
| Marking on front silkscreen | Revision | Guide |
|---|---|---|
v1.1 next to the DC jack, QR code at lower left |
v1.1 — current; one correction needed (ground bond) | v1.1 build guide → |
| No version marking, no QR code | v1.0 — first run; power-circuit corrections required | v1.0 build guide → |
