Well I do know for the 2 days I was using cheap radio chack RCAs in my car, because somehow my very nice RCAs got broken at the connector, I had horrible alternator whine and depending on the position of the cable I had bad noise. As soon as I bought a nicer cable everything when back to normal.
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Catapultam habeo. Nisi pecuniam omnem mihi dabis, ad caput tuum saxum immane mittam.