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XTZ 99 W12 DSP User Manual

XTZ 99 W12 DSP
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18 / 26
How to use function
14, 15, 16 and 17
Incorrect frequency, polarity and phase alignment
b
etween the main loudspeakers and subwoofe
r
causes a gap in the frequency response of the whole
system at the crossover frequency. The graph to the
right shows the effect of phase difference to the
frequency response. The phase difference between
the main loudspeakers and subwoofer at the
listening position is dependent upon the position o
f
the subwoofer, so the phase adjustment should be
done only after the preferred position has been
found.
To choose the right high-cut frequency is ver
y
important but this is also depending on the setting
of polarity (function 16) and phase (function 17).
These setting should be done in this order:
Select polarity:
Normally "positive" is the right value but
depending on placement and equipment try find
the mode that gives the most bass energy
(the
polarity change is equivalent to change the phase
by 180 degree).
1. Adjust the level of the bass to the equal level as
the front speaker bass level.
2. Switch between "Negative" and "Positive" and tr
y
to find the mode that gives you most bass energy.
Select the slope:
Normally the 24dB/octave
is the best value but set
the slope for the best sound balance between the
subwoofer and the main loudspeakers.
Select of frequency:
Select the frequency for the best sound balance
between the subwoofer and the main loudspeakers.
Select the phase:
A
djust the phase for the best sound balance
between the subwoofer and the main loudspeakers.
If you not are satisfied whit the setting repeat
iteratively the steps above again and again.
Function 18
OUTPUT / Delay
Adjust the time delay.
Adjustable from 0 to-50ms or from 0 to
17,261 m
One step = 0,021 ms or 0,719 cm

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XTZ 99 W12 DSP Specifications

General IconGeneral
BrandXTZ
Model99 W12 DSP
CategorySubwoofer
LanguageEnglish

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