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The GX2300/2600 is a standard 2U (2 rack height) 19" rack-mount unit, with both front and rear rack mounting ears. In
portable systems, the amplifier must be supported at both the front and rear.
COOLING
The GX2300/2600 uses forced-air cooling (fan cooling) to remove the heat produced during normal operation. Free air flow
at the mounting location is a critical factor in accomplishing long-term reliable operation of the amplifier. The internal fans
of the amplifier pull in fresh (cool) air from the rear panel, and force the heated air out the front panel. This air flow must be
as open and free of obstructions as possible. Also take care to exhaust the heated air away from the front panel intakes, so
as not to recirculate and reheat the same air over and over again. In a rack system, make sure there is a significant source of
fresh air to the rack. This can be achieved with air conditioning vents to the top of the rack, an open back that is well venti-
lated, or rack panel fans/vents. In the case of rack panel fans/vents, the cooling will be most effective when the amplifier(s)
are located as far away from the fans/vents as possible, to prevent air recirculation i.e. amplifiers at the bottom, fans/vents at
top or vice-versa.When installing equipment in a rack, take care that the weight is distributed evenly. Hazardous conditions
may be created by uneven weight distribution.
POWER/THERMAL REQUIREMENTS
For your convenience in planning for sufficient power and cooling in the amplifier environment, we have included AC
mains current draw and thermal dissipation values in the Specifications Sheet. The specifications listed are for idle (no sig-
nal),
1
/
8
th power (“normal operating conditions” for continuous voice or music), and
1
/
3
rd power (worst-case hard-clipped
music) for an amplifier with both channels driven. The thermal dissipation specifications indicate how much heat will have
to be removed from the amplifier environment under the three different conditions.
NOISE
The GX2300/2600 exceeds all relevant international emissions and immunity standards, and has further been specifically
designed to minimize interference in Pro-Audio environments. Regardless of this fact, amplifiers consume, process and
deliver significant amounts of power over a wide frequency range. Standard practice calls for caution to be exercised in the
placement of signal cables and signal-level components such as mic preamps, tuners, etc., to avoid inducing noise in the
low level circuitry. Possible sources of noise are: AC current in shared power lines, magnetic interference between adjacent
rack-mount units, high current audio speaker cables. In general avoid the following:
Mounting sensitive signal processing equipment directly above or below amplifiers.
Sharing AC power outlets between amplifiers and signal processing equipment.
Bundling signal cables with speaker cables or AC power cords.
AC LINE
Connect the unit to a properly rated supply circuit. The GX2300/2600 can be configured to operate within the following AC
mains voltage ranges:
100-140VAC, 50-60Hz (115VAC, 60Hz typ.)
200-260VAC, 50-60Hz (230VAC, 50Hz typ.)
Connection is made by 14 gauge, IEC type 320, grounded line cord. For safety considerations only a properly grounded
(earthed) receptacle should be used. If a grounded circuit is not available, do not break off the ground pin; use the proper
adapter plug for a two wire receptacle. The AC mains fuse is accessible at the rear panel of the amplifier. If this fuse blows
replace it only with the same type and rating fuse. The correct replacement fuse value is printed on the rear of the amplifier,
and on the specifications page.
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Installation
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