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crossover in the x-sub. Begin at the highest setting (150Hz) and slowly dial it down until
it seems as if the bass is anchored in the front speakers rather than just the subwoofer.
We strongly recommend settings above 80Hz because this will allow a nice blend with
the x-ls monitors without making them work too hard with reproducing the bulk of the
low frequencies. If you are a traditional 2 channel enthusiast or are using components
free of a dedicated LFE output, this method is then the correct choice.
The easiest way to test different methods and frequencies for crossing over your
subwoofer is by using bass sweeps from the
AVIA Guide To Home Theater
DVD.
Specifically, the tones that descend in frequency from the individual satellite speakers
to the subwoofer are quite useful and effective. Using your SPL meter, watch for the
smallest amount of overall needle fluctuation while you direct and descend the tones
from the main speakers to the subwoofer going around your system. If you are not sure
about how to do this or where to locate the AVIA disc, please call AV123 at (877) 543-
7500 for assistance or email us at [email protected].
Setting Subwoofer Phase
The Phase Switch controls the relative phase of the subwoofer to best reinforce the
other loudspeakers in your system. Adjustments to this control will change your x-sub’s
interaction with the rest of your speaker system, providing the least cancellation, and
thus the best response in any room. With SPL meter in hand (or, better yet, on a tripod
in the listening position), play an 80Hz tone (for this exercise the crossover point must
be set to 80Hz if you are not using the LFE Subwoofer Input) and switch the Phase
Switch from “0” to “180.” Watching your SPL meter, select the setting that results in the
biggest peaks in sound pressure levels (i.e. reads highest on the meter).
To verify your measurements, go back to the listening position and listen for yourself
using music you know. If the bass from the x-sub seems to be coming from the front
speakers rather than noticeably separated from them and reduced in output level,
you have got it right. The optimum setting indicates the least amount of bass wave
cancellation, and should be left alone after setting until the subwoofer or other speakers
in your room are moved, or placement is altered in any way. With typical front corner
placement in most rooms you may very well find that the “0” setting is best.
Caring for your x-series speakers
Your Onix x-series speakers do not need much exterior maintenance other than an
occasional dusting. Please use care with the gloss black or wood veneer finish and treat
them as you would a piano or fine furniture finish. The black Onix speakers can be
waxed with automotive carnuba wax if desired. With the satin black finish, waxing may
even increase the gloss of the finish slightly! Wood veneer surfaces can be cleaned with
a damp cloth (using water) if necessary. We recommend the 3M Yellow Detail Cloth (part
# 39016) for dust on both the black and wood veneer surfaces as it does not scratch the
finish.
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