8
CONNECTION & SETUP
Always ensure the device is powered off and the
volume controls are turned down before inserting
or removing cables.
Connect the rear IEC inlet to the mains using the
supplied power cable. Ensure that the voltage is
correct as indicated on the voltage selector and
that the mains outlet is switched on. Alternatively,
the amplifier can be powered by a 24V battery,
such as a lorry or boat battery, by connecting the
“+” and “-” of the battery to the 24Vdc INPUT on
the rear panel. Please ensure that DC cables can
handle the required current (10A minimum is
recommended)
The ZA series amplifiers have 6 input channels.
MIC 1 and MIC 2 inputs are dedicated microphone
channels. Connect the main announcement
microphones to these channel using a balanced
XLR cable. Connect microphones or line level
devices to the MIC/LINE 1 and MIC/LINE 2 inputs
using 6.3mm (1/4”) jack cables. Please ensure the
correct sensitivity is selected for the type of input
device you are connecting (see DIP Switch section
on page 13). Connect any other line level devices
to the LINE 3 and LINE 4 inputs using RCA Phono
cables.
NOTE:
The ZA series amplifiers have a mono output, and
therefore stereo signals will be summed together.
Further mixer-amplifiers or slave amplifiers can be
connected from the rear LINE OUT sockets, using
an RCA Phono cable. This output carries the full mix
of all channels as produced through the speakers.
SPEAKER OUTPUTS
The ZA series amplifiers can be used either as 100V
line amplifiers or standard low impedance power
amplifiers. Please note these 2 configurations
cannot be used together.
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