Yamaha htr-4064 Owner's Manual page 97

2 Placing speakers
Place the speakers in as shown below. Other layouts (except for 5.1-channel speaker layout) are shown in the "Owner's Manual."
5.1-channel system
Front speaker (L)
Front speaker (R)
Center speaker
80° 80°
Surround speaker (L)
Surround speaker (R)
Subwoofer
2