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PS-10/PS-12
INTRODUCTION
Infinity PS-10 and PS-12 Powered Subwoofers
The Infinity PS-10 and PS-12 powered subwoofers continue Infinity’s
longstanding commitment to accurate sound reproduction.Our
proprietary technology and engineering resources work together to
deliver uncompromised low-frequency performance in any stereo or
multichannel home theater system.
Unpacking the Subwoofer
If you suspect damage from transit, report it immediately to your dealer.
Keep the shipping carton and packing materials for future use.
P
LACEMENT
Since the installation of a subwoofer can be somewhat more complicated
than installing full-range speakers, it is essential that you read this sec-
tion 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 integrate 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 benefits of
the subwoofer.
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 sub-
woofer within any listening room is not critical.While in theory it is true
that the larger wavelengths of extremely low frequencies are basically
nondirectional,the fact is that, when installing a subwoofer within the lim-
ited confines of a room, reflections, standing waves and absorptions gen-
erated 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 example, whether or not your room permits placement of the
subwoofer near either satellite). Be sure to leave a minimum of six inches
between the wall and the port on the subwoofer.
Figure 1.This example shows the subwoofer positioned behind the
right-channel satellite speaker to re-create the actual location of
bass instruments in an orchestra and/or add impact to movie
soundtracks.
SUB
RIGHT-
CHANNEL
SPEAKER
PRIMARY
LISTENING
AREA