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to the amp. In many systems, if your speakers are true full range systems,
you may find that you get a more satisfying sound by running the speak-
ers full-range and crossing your subwoofer in fairly low (40-70 Hz). On
the other hand, if you find that you are overdriving your main speakers,
you will clearly be able to play your system louder by using the built-in
high pass crossover for your main speakers.
The Advantages of Multiple Subwoofers
Definitive’s ProSub 60 subwoofers are engineered to be used singly or
in stereo pairs. With a single subwoofer, both left and right signals are sent
to the subwoofer wherein they are combined via the electronic crossover
into one composite signal. With stereo subwoofers, the left and right low
frequency signals are reproduced by their own individual subwoofers. The
use of one subwoofer achieves outstanding performance; however, the
addition of a second subwoofer (one for the left and one for the right chan-
nel) clearly offers the highest level of performance achievable for both
movies and music. The use of stereo subwoofers smoothes out the peaks
and dips which result from the eigenmodes in your room. Two subwoofers
couple much better to the air in your room (four times better) and of
course offer double the power. In addition, some state-of-the-art home the-
ater installations have begun to use a separate subwoofer hooked up to the
rear (surround) channels and we recommend this for the absolute ultimate
in performance.
In addition, some state-of-the-art Dolby Digital* home
theater installations have begun to use a separate subwoofer hooked
up to the rear (surround) channels and we recommend this for the
absolute ultimate in performance.
Dual Subwoofer Connections
When hooking up a stereo pair of subwoofers, wiring is quite similar to
traditional high level connections. Here, instead of running both speaker cables
from your receiver or amplifier to the left and right high level terminals on the
subwoofer, you will run the left channel to the left channel subwoofer and the
right channel to the right channel subwoofer. Again, take care to make red to
red (“+”) and black to black (“-”) terminal connections.
Don’t worry that on your left subwoofer the right channel terminals will
be empty and that on the right channel subwoofer the left channel termi-
nals will be empty—both channels are combined at the subwoofer’s input
stage. There is a possibility that with this type of wiring
you may need to
increase your gain a little bit for proper balance.
A dual subwoofer system using low level connections is equally sim-
ple. From your receiver or preamp, run an RCA-type interconnect from
the left channel main output to the left channel low level input on the sub
-
woofer you are using for the left channel. The process should then be
repeated for the right channel. In this setup, main speaker connections are
made between your receiver or amplifi
er in a traditional man
ner
.
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