JVC KD-R90 - Manuel (Page 23)

Setting the cutoff frequency — X’over HPF/LPF
You can select or customize the cutoff frequencies from this unit according to your speakers for an
improved sound quality.
(Hold)
1
-<Audio>
-<X’over HPF/LPF>
-<Easy> or <Pro>
2 Select the adjustment method.
Easy
The unit will adjust the cutoff frequencies
automatically based on your selected speaker
size.
HPF/LPF
Front
Full
cm/inch PUSH
3 Select the speaker.
 Select measurement unit (inch/cm).
Speaker Size (cm) Size (inch)
Front/
Rear [Full] /
10cm/
13cm/
16cm/
17cm/
18cm/
10x15cm/
13x18cm/
15x20cm/
15x23cm/
18x25cm [Full] /
4"/
5-1/4"/
6-1/2"/
6-3/4"/
7"/
4x6"/
5x7"/
6x8"/
6x9"/
7x10"
Subwoofer Full/
16cm/
20cm/
[25cm]/
30cm/
38cm over Full/
6-1/2"/
8"/
[10"]/
12"/
15" over
 Select “Full” if you are not sure of the speaker
size.
4 Select speaker size.
5 Confirm the settings.
Pro
You can customize the cutoff frequencies and the
filter depth.
HPF/LPF
Front
HPF Off
-18dB/Oct PUSH
3 Select the speaker.
4 Select cutoff frequency.
Speaker Cutoff Frequency Filter Depth *2
Front/
Rear HPF 30Hz to
HPF 200Hz *1 -12dB/Oct /
[-18dB/Oct] /
-24dB/Oct
[HPF Off]
Subwoofer LPF 30Hz to
LPF 200Hz
[LPF 80Hz] *3
[-12dB/Oct] /
-18dB/Oct /
-24dB/Oct
LPF Off
5 Select depth of HPF/LPF.
6 Confirm the settings.
*1 Activates the High Pass Filter (HPF).
Frequencies higher than the selected
frequency are sent to the front/rear
speakers.
*2 As the number decreases, the filter depth
is adjusted closer to selected filter
frequency.
*3 Activates the Low Pass Filter (LPF).
Frequencies lower than the selected
frequency are sent to the subwoofer.
Sound adjustments
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2012/2/15 ޓ17:53:26 KD-R90BT_E_EN