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RE: Seems I wasted about four years

I have come across several devices that don't work well with higher capacitance cables. My two Rotel CD players are a good/bad example. With the usual 1 meter or 3 ft interconnect, the older player takes on a harsh, bright edge relative to the newer one. Substitute a 12", 25 pF DIY cable, and the two sound exactly alike. In a couple of my amps, there are two or more inputs that have identical circuits. Using a matched pair of CD's, and hooking the two players to the two inputs, you can switch back and forth with the front panel selectors, making it very easy to have a good A-B comparison.

I'm not sure it's the cable that sounds different; but perhaps the capacitance in the cable upsets the output circuits in the source in some way. I can hear the differences; but have no idea what the effect is on the circuit.

Now, I only use cables that I have measured for capacitance. My threshold is 70 pF for 1 meter cables. I have several that are at 56 pF. Some of those got cut down and new plugs put on the cut ends to make 25-30 pF short cables. At least it makes the wiring neater.

Jerry


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  • RE: Seems I wasted about four years - Bold Eagle 19:42:23 12/22/15 (0)

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