Sony STR-DA1800ES Mode D'emploi page 23

7.1 channel speaker system using
front high speakers
You can enjoy vertical sound effects by
connecting additional two front high speakers.
Place the front high speakers
– at an angle between 25° to 35°.
– at an angle of 20° ± 5° in height.
20 ± 5˚
˚
6.1 channel speaker system
Place the surround back speaker behind the
seating position.
Tip
Since the subwoofer does not emit highly directional
signals, you can place it wherever you want.
US
23