Caring for your gfa-7400/7300 – Adcom GFA-7300 User Manual
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All loudspeakers having a nominal impedance down to 4 ohms can be connected to and
driven by the GFA-7400/7300. The amplifier can drive these low-impedance speakers at more
than adequate power levels with no difficulty. It should be noted that many loudspeaker systems
which are nominally rated at 4 ohms drop in impedance, in some parts of their frequency range,
to as low as 2 ohms (and sometimes less). You will not experience difficulties even with these
very low impedance loads unless you demand excessively high volumes levels from your system.
It is not recommended that you run additional sets of speakers to the GFA-7400/7300. If you
choose to add remote speakers in another room, it is strongly suggested that a switching system
to disconnect the non-home-theater speakers be incorporated when the surround sound, home-
theater mode is in operation. A device such as the Adcom GFS-3, GFS-4 or GFS-6 Speaker
Selector is strongly recommended. A Speaker Selector enables you to maintain good sonic
integrity while giving you the flexibility to add speakers throughout your house.
CARING FOR YOUR GFA-7400/7300
Great care has been taken by ADCOM to ensure that your amplifier is as flawless in
appearance as it is electronically. The front panel is a heavy-gauge, high-grade aluminum
extrusion carefully finished and anodized for durability. The chassis, top cover and rear panel are
heavy-gauge steel that has been powder coated and baked to ensure a lasting finish. If the front
panel, top or sides become dusty or fingerprinted, they can be cleaned with a soft lint-free cloth,
slightly dampened with a very mild detergent solution or glass cleaner.
DO NOT SPRAY OR
POUR LIQUIDS OF ANY KIND ON THE GFA-7400/7300.