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CAMCO USER MANUAL
VORTEX POWER AMP SERIES
P.12
3.4 Cooling
Under normal operation of the power amp, overheating should never be a
problem. The temperature of the cooling air will depend on the immediate
environment (e.g. an enclosed rack, direct sunlight) and on whether the front
lter is clogged. If the amp is installed in a case, the open area at the back of
the case must be at least 140 cm². This area should be in line with the amp.
If this can not be achived a forced ventilation system has to be used.
The air is taken in from the front and out through the back, it is of course
essential that while the power amp is running air is able to circulate around
it freely.
3.5 Ground Lift
The input signal ground (pin 1 for all 4 XLR’s) is tied to the ground potential
in the mains supply. Opening the ground lift switch causes this connection
to be broken. This allows ground loops that sometimes occur in practice to
be eliminated. The ground potential of the power amp and therefore of the
loudspeaker outputs is independent of the switch setting and remains at the
ground potential of the mains supply.
Removing the mains connector ground - as often practiced - is not only illegal
but pointless too, since in practice it never produces any improvement!
DO NOT REMOVE MAINS CONNECTOR GROUND
IT IS ILLEGAL AND DANGEROUS
3.6 Wiring
3.6.1 SPEAKON Connection
4 Ohm speaker cabinets in parallel
Use the contacts in both SPEAKON connectors for each channel. If not, this may
cause permanent damage of the connectors, depending on the music material.
3.0 INSTALLATION
BOTTOM SPEAKON
UPPER SPEAKON
INPUT
CHANNEL A
INPUT
CHANNEL B
CH. A
CH. B