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HPS-250 – Owner’s Manual
P
OSITION
W
ITHIN
A R
OOM
W
ILL
S
TRONGLY
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NFLUENCE
P
ERFORMANCE
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POSITIONING
Since the installation of a subwoofer is somewhat more complicated than installing full-range
speakers, it is essential you read this section very carefully prior to connecting the subwoofer to
your system. Should you have questions relating to your installation, it is advisable to call either
your dealer or Infinity’s Customer Service Department for advice.
The performance of the subwoofer is directly related to its placement in the listening room and
how you align the subwoofer with its satellite speakers. Setting the volume of the subwoofer in
relationship to the left and right speakers is also of critical importance because it is essential that
the subwoofer integrates smoothly with the entire system. Setting the subwoofer’s volume level
too high will result in an overpowering, boomy bass. Setting the volume level too low will negate
the effect of the subwoofer.
We recommend placing the HPS-250 subwoofer at least 2 to 3 feet away from a television or a
computer’s disc-drive system to prevent smearing the colors of the TV picture or erasing of the
magnetic drive.
Here are several additional facts on installation that may prove useful. It is generally believed by
most audio authorities that low frequencies (below 125Hz) are nondirectional and, therefore,
placement of a subwoofer within any listening room is not critical. While in theory it is true that
the larger wavelengths of extremely low frequencies are basically non-directional, the fact is that
when installing a subwoofer within the limited confines of a room, reflections, standing waves
and absorptions generated within the room will strongly influence the performance of any sub-
woofer system. As a result, specific location of the subwoofer becomes important, and we strongly
recommend that you experiment with placement before choosing a final location.
Placement will depend upon your room and the amount and quality of bass required (for exam-
ple, whether or not your room permits placement of the subwoofer near either satellite). The
HPS-250 utilizes a downfiring woofer with a hyperflared port at the rear of the enclosure. Be sure
to leave a minimum of six inches between the wall and the port.