Snell kIIs - LOST All my imaging - help

Always had rock solid imaging with my snell kII's using a very low budget system. Had an old toshiba receiver, but biwired the two A/B speaker connections s if sepaate amps, used home made zip wire concoction and cheap wooden stands. Always had no perceived sound emenating from speakers - everything across the sound field - very stable. People who knew nothing of audio always were amazed at the sound, the imaging and the enveloping quality.

In the past year I have changed several things and bit by bit things have gotten WORSE instead of better. Toshiba started to go bad in one channel so had to change.

Went to cheap metal stands (atlantis - 70 bucks) partially filled with lead shot.
Went to Outlaw AV receiver - still biwired but no A/B speaker settings.
Went to Kimber Kable (currently split 8 leads to biwire).

And most drastically MOVED to a new house. Used to have speakers on Brick fireplace area, nothing in between, 6 inchead from back wall,. Now on hardwood floors (spiked with floor gaurd things) and a big entertainment center in between speakers. room is 14 feet along speaker wall and 22 deep. and 12 foot high cathedral ceiling, sloped right to left. (Oldhouse had this but only 6- feet high.

Go no imaging - sounds horrible now. Help!!!!!!!