I make this small amp for my studio using,it will powered by 4 of 6V3AH rechargeable batterys connected in series,+/- 12V per rail.
the tight design is always exciting!
pic come ...
The advantage of factory PCB can make more guys happy,but I do not repel craft pcb even p2p assembly either.All these ways can be full of smart idea,I think this is the diy spirit