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Equivalent of radio stations are wireless phones, cel phones and wi-fi just inside our rooms, in a 50 aptos building may have more than 100 these bugs run 24/7 days.
Never read, heard, or experienced of any of those affecting single ended cabling.
WiFi, bluetooth, smartphones, TV, AM, FM, CB, Ham radio, and police bands all operate way beyond the audible spectrum.Did try a DIY chip amp at home years ago (that had the power supply in a separate cabinet) that picked up a local (mile away) FM station at roughly -30 dB, but who knows how this very questionable amp picked up that signal?Can someone who is more knowledgable in this matter pipe up and explain my FM and Elizabeth's CB experiences?
Supposedly unshielded cables sound better so I've subconsciously gravitated to those cables, but I've never been able to detect a difference based solely on that criteria. On the other hand I've never had an RFI/EMI issue I could detect either. For me it's a non issue, others may have different experiences.
My first advice... you have to experiment with your own system. Don't listen to people who have advice that says... "this is the way it is".Every component is different w different power transformers. Output Transformers, and million different schematic schemes not to mention power quality coming to the house etc., etc., etc.. But, here's my experience: My RCA interconnects are heavily shielded and they work great on everything. My pre-amp did not like the various shielded power cords and prefers to be plugged directly into its own dedicated home run. My DAC likes shielded PC's and is plugged into a power conditioner. Amps have shielded PC's and sound great but still experimenting here.
Or it may be that there is a little bit of interference cause background noise that you have come to enjoy.
Separately I agree that we can often be fooled into thinking a little noise or second harmonic sounds better.
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