Adcom THX GFA-7000 - Manual (Page 9)

INSTALLATION & HOOKUP
UNPACKING THE GFA-7000
Before your new GFA-7000 left our factory, it was carefully inspected for physical
imperfections and tested for all electrical parameters as a routine part of ADCOM’s systematic
quality control. This, along with full operational and mechanical testing, should ensure a
product flawless in both appearance and performance. After you have unpacked the GFA-
7000, inspect it for physical damage. Save the shipping carton and all packing material as they
are intended to reduce the possibility of transportation damage, should the amplifier ever need
to be shipped again. In the unlikely event damage has occurred, notify your dealer immediately
and request the name of the carrier so a written claim to cover shipping damages can be
initiated. THE RIGHT TO A CLAIM AGAINST A PUBLIC CARRIER CAN BE FORFEITED IF
THE CARRIER IS NOT NOTIFIED PROMPTLY IN WRITING AND IF THE SHIPPING CARTON
AND PACKING MATERIALS ARE NOT AVAILABLE FOR INSPECTION BY THE CARRIER.
SAVE ALL PACKING MATERIALS UNTIL THE CLAIM HAS BEEN SETTLED.
PLACING THE GFA-7000
During normal home operation the internal heatsinks of the GFA-7000 may become
warm. However, there are instances during high-level playback into low impedances when the
heatsinks will become much warmer than usual. To ensure the amplifier’s long-term, trouble-
free operation it is necessary to provide adequate ventilation for the heatsinks. Therefore, the
GFA-7000 should be kept away from external sources of heat such as radiators and hot-air
ducts. The GFA-7000 should never be placed with other heat-producing components in a
cabinet or enclosure lacking free air flow. The top and bottom panel of the amplifier’s
chassis have been provided with vents to allow the necessary cooling of the internal
components. It is imperative that these vents are not obstructed in any way.
We recommend that you do not stack other components on top of the GFA-7000. This is
particularly important If your system includes low-impedance loudspeakers which are difficult to
drive, or if you will consistently demand high volume levels from the amplifier and speaker
system. Not only will heat generated by the amplifier affect the performance of equipment
stacked on top of the GFA-7000, but the free flow of air through the ventilating slots in the
amplifier may be partially obstructed.
If you observe these recommendations, the GFA-7000 will perform reliably in any
reasonable environment. You should also pay attention to such normal considerations as
protection from excessive dust and moisture. Occasional vacuuming of accumulated dust on
the chassis, panels and around the ventilating slots should be all that is required.
The optimal performance of your new GFA-7000 will ultimately depend on the care with
which you make the connections between the amplifier, preamplifier, surround sound decoder
and the loudspeakers. All input and output signal connections should be made only with high
quality, low-loss, low capacitance cables following the recommendations in the Inputs and
Outputs section of CONNECTING THE GFA-7000.