8
Rear Panel
1.
70V/100V HIGH VOLTAGE SPEAKER OUTPUT: Slide switch for selecting 70V or 100V
for all zones configured for constant voltage output. The U.S. National Electrical
Code prohibits the use of 100V constant voltage systems for installations in the
United States.
2.
OPTICAL IN: S/PDIF digital optical audio input for BUS AUDIO. When OPTICAL IN is
used, 3.5mm BUS AUDIO IN (3) cannot be used and vice versa. The optical audio
signal is converted to analog and is distributed to the BUS AUDIO OUT (4) and to
each zone.
3.
BUS AUDIO IN: 3.5mm TRS unbalanced stereo input jack for BUS AUDIO. When BUS
AUDIO IN is used, OPTICAL IN (2) cannot be used and vice versa. The analog signal is
distributed to the BUS AUDIO OUT (4) and to each zone.
4.
BUS AUDIO OUT: 3.5mm TRS unbalanced stereo output jack for delivering BUS
AUDIO to another 6-zone amplifier, powered speakers, or other line level input
device.
5.
SPEAKER OUTPUT: Removable screw-terminal plug for connecting the speaker
output(s). Each plug has six connections for different speaker output configurations,
as detailed below.
Note that failure to adhere to the warnings in the notes below
can result in permanent damage to the amplifier and/or the speakers.
Bridge 8Ω: Use the indicated terminals (2 and 5) to connect a single 8-ohm
speaker for bridged mono operation (100W@8Ω). WARNING! When using the