Sony STR-DN1070 Operating Instructions Manual page 19

7.1-channel speaker system using front high speakers
 30˚
Subwoofer
 Monaural audio cable (not supplied)
 Speaker cable (not supplied)
* After you have made the connection, set
[Surround Back Speaker Assign] in [Speaker
Settings] to [Off].
 100˚ – 120˚
Surround speakers
Front high speakers*
Center speaker
Front speakers
19 GB