Yamaha A-S801 Integrated Amplifier (Silver) - Manual (Page 9)

CONTROLS AND FUNCTIONS
5
En
English
A IMPEDANCE SELECTOR switch
Do not change the IMPEDANCE SELECTOR switch
while the power is turned on, as doing so may damage
the unit.
If the IMPEDANCE SELECTOR switch may not be
fully slid to either position, remove the power cable
and slide the switch all the way to either position.
Select the switch position according to the impedance
of the speakers.
B AC IN
Used to connect the supplied power cable to an AC
wall outlet (see page 10).
CAUTION
Speaker
connection
Speaker
impedance
Switch
position
SPEAKERS A
or
SPEAKERS B
6 Ω or higher
8 Ω or higher
(Asia model only)
HIGH
4 Ω or higher LOW
SPEAKERS A
and
SPEAKERS B
12 Ω or higher
(U.K. model only)
16
Ω or higher
(Asia model only)
HIGH
8 Ω or higher LOW
Bi-wiring
6 Ω or higher
8 Ω or higher
(Asia model only)
HIGH
4 Ω or higher LOW