I don't know if that's the ONLY way to solve the problem of hum induced in long single-ended interconnects, but it is the only way I could solve the problem in my system. I tried a lot of different things, but the day I hooked up the balanced output of the Bryston BP-25 to the balanced input of the Aragon 8008BB through AQ Opal, the hum was GONE. DEAD silence, with just a slight hiss actually caused by the CD player when turned all the way up with nothing playing. The empty input positions were DEAD SILENT. I will never go back as long as my amp and preamp are more than three feet apart. Right now they're close to 30! It is a big hassle to switch, I agree. Take it one step at a time, watching for deals on good balanced gear. And beware of some amps that have "balanced" inputs, but merely hook two pins together in their single-ended circuitry. Hummer bummer.
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