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General speaker questions for audio and home theater.

RE: " better EMI/RFI rejection " is it really an issue for speaker cables ?

You're right.

It's probably only a concern in very rare cases, e.g. long cable runs in a high EMI environment, long cables coiled up to form an induction loop, etc. I have only heard it once, with ~25m of cable to PA speakers emitting a faint buzz with the amp off.

I think that connections between a pre-amp and power-amp are the most susceptible to noise pickup because the signal levels are lowest and any noise is amplified typically 25-30 dB.


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