ZEUS CA Series Multipurpose Power Amplifiers
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commissioning and use of this product, please read this manual. Carefully unpack
the carton and check the contents to ensure that all parts are present and in good
conditions:
y1x ZEUS CA Power Amplier
y1x Power Cord (Europlug - VDE Female)
yThis User manual
If anything damaged during transport, notify the shipper immediately and keep
packing material for inspection. Again, please save its carton and all packing
materials. If the unit must be returned to the manufacturer, it is important that
the unit is returned in the original manufacturer’s packing. Please do not take any
action without rst contacting us.
Our products are subject to a continuous process of further development. There-
fore modications to the technical features remain subject to change without
further notice.
WARNING: Packaging box is not a toy! Keep out of reach of chil-
dren!!! Keep in a safe place the original packaging material for future
use.
3. PRODUCT OVERVIEW
Helvia Zeus CA series is designed for the world of small-medium commercial au-
dio systems, both on 70V or 100V constant voltage lines, and low-impedance lines
from 4 to 16 ohm. It oers 1, 2 and 4 channels Class-D ampliers with 120W, 240W
and 350W RMS powers.
Each channel is independent and equipped with its own line transformer, there-
fore it is possible to choose between 70/100V or 4-16 ohm low-impedance for
each of them, oering maximum versatility according to the specic needs of
each zone.
Each channel is equipped, in addition to volume, Led VU-meter and clip indicator,
with gain adjustment on the rear panel. There is also an HPF lter with a cut-o
frequency at 400Hz. Both inputs and outputs are balanced with XLR connectors;
all power outs are with Phoenix (Europlug) connection. The versions with 1 and 2
channels are also equipped with DC 24V auxiliary power input for any emergency
purposes.
Helvia paid high attention to safety, reliability and duration over time of these
ampliers. Each channel is equipped with muting system at power on, signal lim-
