Crossover Network - Alpine Multimedia Manager PXI-H990 Owner's Manual
Multimedia manager
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Also See for Multimedia Manager PXI-H990:
- Manual for installation and connections (16 pages) ,
- Owner's manual (116 pages)
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Settings/Adjustments
Crossover network
The PXI-H990 is equipped with an active dividing network allowing the bands to be split before
amplification by the power amplifier.
Because of this, there is no need for a passive network between the speakers and amplifiers and the
amplifiers are fully independent, thus eliminating the problem of interference and making it
possible to achieve the optimum acoustic space by dividing the playback frequencies in a way
suited to the capacities of the speakers.
This adjustment requires special knowledge and experience. Should problems arise, please see your
authorized Alpine dealer.
Adjust the high pass filter (H.P.F.) and low pass filter (L.P.F.) and set the slope
(filter response attenuation slope) for the different bands.
Make the adjustments according to the playable frequency ranges and
frequency responses of the connected speakers.
Frequency Adjustment Bandwidth
FRONT
20Hz 18kHz
FRONT TW
1kHz 18kHz
FRONT MID
20Hz 18kHz
FRONT WF
20Hz 18kHz
REAR
20Hz 18kHz
REAR TW
1kHz 18kHz
REAR WF
20Hz 18kHz
FRONT C
20Hz 18kHz
FRONT C TW
1kHz 18kHz
FRONT C WF
20Hz 18kHz
REAR C
20Hz 18kHz
REAR C TW
1kHz 18kHz
REAR C WF
20Hz 18kHz
SUBWOOFER
20Hz 160Hz
40
-
EN
Cutoff
(1/6 Octave Steps)
H.P.F.
L.P.F.
22Hz 20kHz
1.1kHz 20kHz
22Hz 20kHz
22Hz 20kHz
22Hz 20kHz
1.1kHz 20kHz
22Hz 20kHz
22Hz 20kHz
1.1kHz 20kHz
22Hz 20kHz
22Hz 20kHz
1.1kHz 20kHz
22Hz 20kHz
22Hz 180Hz
Slope Adjustment
H.P.F.
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
L.P.F.
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB/
Filter OFF
6/ 12/ 18/ 24/ 30dB
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