Sony STR-AZ7000ES Help Manual page 43

Help Guide
Multi Channel AV Receiver
STR-AZ7000ES/STR-AZ5000ES/STR-AZ3000ES
Installing 5.1.2-channel speaker system with bi-amplifier connection
In this speaker installation, top middle overhead speakers are added to a 5.1-channel speaker system in a bi-amplified configuration.
You can enhance the sound quality of the front speakers by separately connecting the built-in amplifiers to tweeters and woofers in a bi-amplifier configuration.
Angle at which each speaker is placed from the line connecting the listening position and the center speaker (0 degrees)
Front speakers: 30°
Surround speakers: 100° - 120°
Vertical angle at which each speaker is placed from a line drawn straight ahead from the height of the listener's ears (0 degrees)
Top middle speakers: 65° - 100°
Hint
As the subwoofer does not emit highly directional signals, you can place it wherever you want.
Related Topic
Speaker installation example
Connecting 5.1.2-channel speaker system with bi-amplifier connection
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