Question- when bi-amping.. is it better to use long ICs or Speaker Cables? My inclination is that the Speaker cable guys are in the business of long cables while the IC guys are not. And that one would not want to amplify corrupted IC signals.
I have long ICs and short spkr. cables. My ICs are 6 meters each and spkr. cables are 6 ft. each. I have no problems with RF or EMI and no problems with too much capacitance or resistance. YMMV.
HI, SHORTER SPEAKER WIRE & LONGER IC IS THE TICKET. LONGER SPEAKER WIRE TENDS TO ALTER FREQUENCY RESPONSE & DOES ROB AMP POWER & LESSEN CONTROL. PASSAGES ARE LESS DYNAMIC, CRESCENDOES SOUND RESTRICTED WHEN USING LONGER SPEAKER WIRE & SHORTER IC. I'M USING 3 FT SPEAKER WIRE & 2.5M IC.
You'll hear arguments both ways. I've heard people say that balanced interconnects can be used in longer lengths than single ended with less sonic degredation. I've also seen discussion of the "not less than 8 feet" conjecture for speaker cables. There's lot's of information, opinion and discussion regarding this topic in the archives. Run a search and see what you dig up. Good luck!
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