Yamaha C 450 - Manual (Page 6)

4
■ Modes: STEREO/PARALLEL/BRIDGE
BRIDGE mode
In this mode, the CHANNEL A input signal will be
output from the BRIDGE output terminals. In this
case, use the front panel (channel) A volume control
to adjust the volume.
■ SPEAKER IMPEDANCE
In STEREO and PARALLEL modes, the minimum
load (=speaker) impedance is 4
Ω
. In BRIDGE mode it
is 8
Ω
.
Make sure that the impedance does not fall below this
specified impedance.
STEREO mode connections
MAX. OUTPUT 450W/4 Ω (STEREO)
MAX. OUTPUT 900W/8 Ω (BRIDGE)
– + – +
Speaker System
4 Ω min. 4 Ω min.
SPEAKERS
CHANNEL B CHANNEL A
BRIDGE
STEREO
BRIDGE
STEREO
Set to STEREO
PARALLEL
PARALLEL mode connections
BRIDGE
MAX. OUTPUT 450W/4 Ω (STEREO)
MAX. OUTPUT 900W/8 Ω (BRIDGE)
– + – +
Set to PARALLEL
Speaker System
4 Ω min. 4 Ω min.
SPEAKERS
CHANNEL B CHANNEL A
BRIDGE
STEREO
STEREO
PARALLEL
BRIDGE mode connections
BRIDGE
MAX. OUTPUT 450W/4 Ω (STEREO)
MAX. OUTPUT 900W/8 Ω (BRIDGE)
– +
Set to BRIDGE
Speaker System
8 Ω min.
SPEAKERS
CHANNEL B CHANNEL A
BRIDGE
STEREO
STEREO
PARALLEL
STEREO mode
In this mode, channels A and B operate independently
(as a conventional stereo amp).
The CHANNEL A input signal will be output from
the CHANNEL A output terminals, and the CHAN-
NEL B input signal will be output from the CHAN-
NEL B output terminals.
PARALLEL mode
In this mode, the CHANNEL A input signal will be
output from the output terminals of both channels A
and B. The CHANNEL B input terminals is not used.
The (channel) A and volumes can be adjusted
independently.