AVS Special Member
Join Date: Dec 2007
Location: Southern California
Mentioned: 15 Post(s)
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Let me tell you a secret that every professional installer knows.
JOB 1 is to turn off Audyssey and set the receiver for 2 channels only, and find the location where your main two speakers sound the best in the room.
Listen carefully for the best stereo imaging and bass response with the subwoofer and other channels OFF.
NOTHING Audyssey can do will make your system right if you don't do this first!
And once you have them placed properly, never move them, no matter what!
A second secret-
Audyssey gets it all wrong half of the time.
You often get the best sound without it. Many published receiver and speaker reviews mention that they had to simply turn it off to get the best sound.
There are so many acoustical variables and speaker types that it can't always cope with them all adequately.
As for getting a major sonic improvement, you won't get it with a Denon receiver. My experience has been that the best sound quality, by far, comes from Cambridge Audio receivers, closely followed by NAD receivers. Almost any receiver has plenty of power for most speakers, but the published power specs are stupid and meaningless for the most part. The power delivered to a simple resistive load is not a very useful test, and that is all anyone publishes. Speakers have capacitive and inductive reactances, and amplifiers have a LOT more distortion when driving any speaker. NAD and Cambridge design much better amplifiers which produce a LOT less distortion when actually driving speakers.
BTW- The Deftech claim that those BP8 speakers go down to 22 Hz (with two 5-inch drivers??) is a really bad joke. I would set my main speaker to go down to around 50 Hz and then set the sub to operate below 50 Hz only.