Most of the wiring for these boards has now been made. The only wires not attached are the ones going to the batteries and the ones that will connect power to the amplifiers.
The positioning of the relays is now much improved and the physical layout of the whole is also looking better. The layout has been dictated by the needs of the amp itself, the most important aspects being the distance between any mains power and the low signal wiring and also the need to get connections to the outside world (i.e. signals in and out and mains supply).
I have deliberately left wires longer than necessary so that I can move certain elements around more easily, to find out what the best orientation is, to give the least amount of interference e.g. the transformers.