I'm just waiting to get a new pre/pro to use high level connectors instead of spkr connectors.
in the meantime, my sound is crystal clear, as long as the Dolby Surround Processor is off; when it's on, the surround effect is only acceptable and sometimes there is distortion too.

i would be surprised if some of the wattage gets lost; if it were so, then voltage measurements at the speaker inputs both before and after installing the sub would be different; yet, i get the same voltage, which means the same Wattage.
Also, a wattage "leak" somewhere in the sub would probably heat up the insides of a sub and maybe damage the sub's amp.

do you agree?