The Velodyne SMS-1 might work.

It may eliminate the need for excessive tweeking, and the volume control is nice.

WIth 6 presets available and volumne, it might do the trick.
_________________________
990
7500
Lfm-1 (Getting bumped to playroom)
Lfm-plus
MK Vx850 sub
velodyne Sms-1
MK 850 LCR
MK CS surround
Outlaw Balanced Cable (ouch!)
Lots of Bluejean fancy cables
Oppo SACD/DVD-A
38inch Loewe Aconda
Panamax 500
Monster Power 3500