Considering options for a spare amp which I could keep (well hidden) in my car, I've stumbled upon the idea of removing the head section from a cheap combo, building some casing around it and using it separately. I can't think of any issues which would arise from this. Are there any?
Edit: I'm imagining a combo with a jack which plugs in for the speaker, but one that's hard wired in would still be usable with a bit of work, I would think.