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The AV2500 series II’s five output channels may be paralleled (mono) to combine the
output current for all channels. This feature allows the amplifier to increase its
apparent output current. To use, place the source group jumper for all channels on the
‘L BUS’ jumper terminal. Place the volume group jumper for all channels on the ‘NO
VOL’ jumper terminal.
The speaker output terminals on the AV2500 series II’s rear panel must be paralleled in
order to complete the setup. Simply connect the (+) terminals for all channels together
using jumper wires (not supplied with the amplifier). Finally, connect the speaker
cables from channel 1's (+) and (-) terminals to the speakers. Input your source signal
into the left channel input. The instructions show the use of the left channel. You may
also use the right channel if you desire, just follow the above instructions using the right
channel. You may also use the L+R BUS to send a mono signal out of the amplifier
derived from the left and right channels. See below: