Adcom GTP-860 - Manual (Page 30)

3.5 Surround Speaker Placement
surround
rear left
surround
rear right
front left
front right
center
surround
rear left
surround
rear right
front left
front right
center
surround
back right
surround
back left
surround
rear left
surround
rear right
front left
front right
center
surround
back right
surround
back left
This speaker setting is preferred if you
are not using surround backs.
This is the preferred speaker setting
if you are using surround backs.
This speaker setting is preferred if you are
using dipoles for your surround rears.
30 | ADCOM GTP-860 OWNER’S MANUAL