As a practice, at the point when the vintage unit requires some servicing ... and most receivers and amps will have to be professionally serviced ... I have the technician upgrade the power cord. I have done this with both my Marantz units ... a 2216B and a 2240. I am not sure if I necessarily have heard audible differences ... but the old power cords do dry out . As for interconnects ... I always have used decent mid level cables and with my vintage equipment it is no different.
Power cables for vintage gear?
Is there anyone changing the hard wired power cords on their older equipment, and the RCA cables on vintage (70's) turntables? Are cable companies selling power cords with just the AC ends, or are people installing IEC's? All of my older gear, including the power amps, have lamp cord for the AC. It seems shielded cables would help tuners and turntables especially, by eliminating EMI and RFI. Plus none of these cables are grounded.
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