Crestron SWAMP(I)-24X8 Spezifikationen Seite 28

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Sonnex™ Multiroom Audio System Crestron SWAMP(I)-24X8
Wiring Diagram: Passive Subwoofer Using Bridged Output
SUB
-
+
RIGHTLEFT
+
-
+
-
STEREO PAIR
BUSSED
BRIDGED
ROOM
1.
Connect the speakers and subwoofer as shown in one of the previous
diagrams.
2.
The SWAMP-24X8 can use a 2
nd
or 4
th
order crossover filter to separate the
audio signals between the subwoofer and the left-right stereo pair speakers.
A 4
th
order crossover filter offers better performance while the 2
nd
order
crossover filer uses fewer resources (one eq for each zone instead of two).
The 2
nd
order filters have a 40 dB/decade (or 12 dB/octave) slope, while 4
th
order filters have an 80 dB/decade (or 24 dB/octave) slope.
Use Sonnex Tools’ parametric equalizer to configure a 2
nd
or 4
th
order
crossover filter. For more information, refer to the Sonnex Tools help file.
To use a 2
nd
order crossover filter:
Create a low pass filter on the subwoofer zone.
a.
Set the filter frequency to the desired crossover frequency.
b.
Set the filter bandwidth to 1.9.
Create a high pass filter on the left-right stereo pair zone.
a.
Set the filter frequency to the desired crossover frequency.
b.
Set the filter bandwidth to 1.9.
To use a 4
th
order crossover filter:
Create two low pass filters on the subwoofer zone.
a.
Set both filters frequency to the desired crossover frequency.
b.
Set both filters bandwidth to 1.9.
Create two high pass filters on the left-right stereo pair zone.
c.
Set both filters frequency to the desired crossover frequency.
d.
Set both filters bandwidth to 1.9.
3.
Use Sonnex Tools or the SWAMP-24X8’s Installer Mode to bus the outputs
together. If using a bridged subwoofer, use Sonnex Tools or the
SWAMP-24X8’s “Installer Mode” menu to bridge the subwoofer outputs.
22 Sonnex™ Multiroom Audio System: SWAMP(I)-24X8 Operations & Installation Guide – DOC. 7049B
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