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! The amplifier will reduce the power output if
the temperature inside the amplifier gets
high. If the temperature gets too high, the
power indicator will turn off, and the amplifier
will shut down.
Important (Serial number)
The serial number is located on the bottom of
this unit. For your own security and convenience,
be sure to record this number on the enclosed
warranty card.
What’s what
GM-A6704
Front side
Rear side
GM-A4704
Front side
Rear side
To adjust the switch, use a flathead screwdri-
ver if needed.
1 HPF FREQ (cut off frequency) control
Cut off frequency selectable from 40 Hz to
500 Hz if the HPF select switch is set to HPF.
! You can select cut off frequency only for
CHANNEL A.
2 LPF (low-pass filter)/HPF (high-pass fil-
ter) select switch
Switch the settings based on the connected
speaker.
! When the Subwoofer is connected:
En
Before you start Setting the unit
5707000011290S <6>
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