18
English
Basic Operation
What is Automatic Adjust-
ment Feature
Sound reflections are the cause of much of the
distortion that occurs in a vehicle. These
reflections are caused by sound from the
speakers bouncing off of surfaces like the
windows, door panels, headliner, etc. Because
these reflected sounds take a more indirect
path before reaching your ears, they arrive
slightly later than the direct sound. This delay
causes the reflected sounds to be out-of-phase
with the direct sound. Naturally, the amount and
intensity of these reflected sounds will depend
upon the type of vehicle, speakers, and other
installation variables. The speaker’s character-
istic varies depending upon its enclosure.
Now, for the first time in any product, Alpine has
developed unique circuitry for the PXA-H600
that can help cancel these reflections. These
problems are more audible at low frequencies,
therefore PXA-H600 will automatically compen-
sate for phase shifting as well as time correction
for the Subwoofer. The Front and Rear outputs
for full-range satellites can also be adjusted
automatically for listening position. When
properly adjusted, the music will sound clear
and natural.
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