Years and years ago I read on a hi-fi enthusiast website that if you use un-terminated speaker cables, the copper wire can, over time, become oxidised.
The recommendation was that every six months or so, you remove the cable from the amplifier and speakers, and snip each end of the cable off by about an inch to reveal lovely fresh shiny copper.
The theory goes that this will have an effect on the sound quality.
Certainly in theory, it makes sense. An oxidised cable will create a barrier to prevent the electrical signal passing to its full extent.
Of course in reality that barrier is so small that it is very unlikely to make any discernible difference.
But, everytime I remove my amplifier out to connect or re-connect something, I still do have a little snip of the end.
Do I notice any difference in sound quality? No of course not. In fact I don't know why I still do it - it just seems to be a habit now, so I guess I probably carry on doing it - until I run out of cable to snip back that is!
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