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1] Installation Precautions
The Zodiak is available in 3 versions, the ICT, ICX and DCX. The IC versions use
integrated circuit amplifiers which do not generate much heat. However, the DCX
version uses discrete Class A amplifiers and these plus the power supply do generate a
fair amount of heat. Normally the Zodiak can be mounted into a rack without any
special ventilation needed. If there are other units in the rack that also run hot, it may
be necessary to allow for ventilation gaps between the units to avoid over heating.
Excessive heat for long periods can shorten the life of all electronic devices.
2] The Mains Input
The Zodiak mains input can be set to run from 110V or 230V. On the rear panel you
will find a circular voltage selector switch to set this. Generally the Zodiak mains
voltage is set for the country to which it has been initially sent, but before powering up
the unit, please check the voltage selector.
POWERING UP THE UNIT WITH THE WRONG VOLTAGE SETTING MAY CAUSE BURN
OUT OF THE POWER TRANSFORMER!
It is also important to fit the correct mains fuse. Below the IEC inlet you will see the
fuse draw. Using a small flat blade screwdriver, you can flick open the draw and
change the fuse if required. The fuse draw also has a place to hold a spare fuse (the
square tube).
The correct fuses are;
110V = 1.0 amp slow blow
230V = 0.5 amp slow blow
These fuses will either be fitted in the fuse draw, and/or supplied in an accessory bag
with the Zodiak.
3] Audio Connections
On the rear panel of the Zodiak you will find the XLR input and output connectors. All
these connectors are wired as follows;
Pin 1 = Signal Ground
Pin 2 = (hot)
Pin 3 = Signal – (cold)
Note that the pin 1 connection of these connectors is not part of the audio path, and is
provided to shield the interconnecting cable. Leaving pin 1 free at one end of the cable
can help reduce earth loops with other equipment as only the signal hot and signal cold
are required to pass audio.
The Zodiak-ICT model has an electronically balanced output stage which is capable of
also driving unbalanced loads but the head room is reduced. The ICX and DCX versions