Hey Guys,
I have ZERO hiss/hum. Every component I have either goes thru a Monster HTS5000 MK II Power center or a Mitsubishi Diamond series UPS. Power/Line conditioning may be why I have no problems. I don't really count the w/ my ear pressed against the tweeter as noise you can hear but I did do this and still hear absolutely nothing. I am using digital optical in. RP-51 panasonic for both DVD and CD playback at the moment.

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Stott