Mosfet Amp resurrection

Currently in the planning stages of my old mosfet amp rebuild.


A couple of questions regarding wiring to the good folk of DiyAudio


Specifically Internal cabling;


Reservoir caps to the output boards ? conductor size ? Twisted, parallel or separated.

Is single core wire better than multi-strand cable ?


Boards to speaker terminals ? conductor size ? Twisted, parallel or separated.
Is single core wire better than multi-strand cable ?



Inputs, sockets to boards ? twisted pair or coax ? Twisted, parallel or separated.
Is single core wire better than multi-strand cable ?


Cheers and thanks in advance


David
 
1) Reservoir caps to the output boards ? conductor size ? Twisted, parallel or separated.
2) Boards to speaker terminals ? conductor size ? Twisted, parallel or separated.
3) Inputs, sockets to boards ? twisted pair or coax ? Twisted, parallel or separated.

1) Twist all three (pos, gnd, neg) conductors together. Short, 14-16 wire.
2) Close together, twisted or not. Short, 14-16 wire.
3) Twisted tightly or coax. Short.

Either solid or stranded wire can be used, but if you nick solid wire, it can break easily.
 
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Currently in the planning stages of my old mosfet amp rebuild.


A couple of questions regarding wiring to the good folk of DiyAudio


Specifically Internal cabling;


Reservoir caps to the output boards ? conductor size ? Twisted, parallel or separated.
Always with high current wiring, twist together to greatly reduce the magnetic field being sprayed around the cabinet. Here you twist all three together as the net current of all three is zero, which is always what you want.


Wire size depends on max rms current, its a fire-safety issue to use wires too thin for the current (or without fuse protection). Tables exist for wire ratings.

Is single core wire better than multi-strand cable ?
If high vibration or movement possible use multi-strand to reduce fatique issues, and tie down regularly, otherwise not an issue I think.
Boards to speaker terminals ? conductor size ? Twisted, parallel or separated.
Is single core wire better than multi-strand cable ?
Exact same principles apply, each speaker pair twisted pair (net current zero rule), size appropriate for max rms current.
Inputs, sockets to boards ? twisted pair or coax ? Twisted, parallel or separated.
Is single core wire better than multi-strand cable ?
Low level signals best in screened cables.
 
All your questions are basically "in the noise" Even in high end amps, cables are often ribbon cables, not even twisted pairs.
Recap it and see if you hear anything that needs improvement.
If you want to go crazy. go look at the POOGE series from AA back in the 80s.