Is there any merit in using different metals for biwiring speakers (for example, silver to the tweeters and heavy copper to woofers), or is this likely to cause phasing problems? I haven't tried it yet, but just after your thoughts.
It is just vaguely possible for thermoelectric effects to be audible. Probably NOT on speakers, but almost certainly on MC phono, where such effects could amount to a couple MV DC.
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