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ENGLISH
SETTING UP THE T 163
Before you make the first connection to your T 163, you should have the arrangement of your listening room/
home theater components and furniture mapped out, at least initially. Unfortunately, a discussion of the vital
questions of loudspeaker placement and listening/viewing positions is beyond our scope here. Suffice it to
say that these two questions will influence your system's ultimate performance every bit as powerfully as
your selection of electronics and speakers. Your NAD audio specialist dealer will be happy to advise you, and
to recommend reference materials.
NOTE: You will need the HTR 2 remote handset to configure your T 163. See “Using the HTR 2 Remote”,
below.
Hum and noise sometimes prove a challenge in complex, multichannel audio systems. Note these consider-
ations to help prevent hum and noise problems:
• Power all your system's audio component from AC outlets originating from the same circuit of your house
wiring. As far as possible, power all audio components from the same outlet, or adjacent outlets on the
same circuit. It may be useful to power video displays (and computers!) from outlets on another circuit,
especially if that circuit is supplied from the other "leg" of the house wiring.
• Do not bundle analog audio cables with AC power cables, or with coaxial digital-audio cables. It is best
if they cross at right angles if they must be in close proximity.
• Employ high-quality, well-shielded audio cable throughout, and ensure that all connections are secure.
• A pencil-eraser can be used to burnish copper- and gold-plated contacts to ensure good, low-resistance
contact; specialized contact-cleaners can also be useful. Avoid unnecessary unplugging and re-plugging,
since the gold (or copper) contact plating of typical cable connectors, even very high-quality ones, is very
thin and easily worn.
Track down hum/noise problems one component at a time, working backwards from the tuner preamplifier.
That is: Connect the speakers to the multichannel amplifier only, and check for hum. Then connect one
component only (a CD player, for example) alone, with no other components connected and check for hum.
Connect additional components, one at a time, to the tuner preamplifier and check for hum. At each stage,
if hum/noise appears, examine the audio cabling and AC-power routing of the new component. In some
cases, moving the new component's AC cord to a different outlet, or installing a ground-lift (3-to-2-prong
adapter) on its power cord, will eliminate the hum.
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DEALING WITH HUM AND NOISEDEALING WITH HUM AND NOISE
DEALING WITH HUM AND NOISEDEALING WITH HUM AND NOISE
DEALING WITH HUM AND NOISE