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Delay
Time Differ-
Number
ence (ms)
54
5.4
55
5.5
56
5.6
57
5.7
58
5.8
59
5.9
60
6.0
61
6.1
62
6.2
63
6.3
64
6.4
65
6.5
66
6.6
67
6.7
68
6.8
69
6.9
70
7.0
71
7.1
72
7.2
73
7.3
74
7.4
75
7.5
76
7.6
77
7.7
78
7.8
79
7.9
80
8.0
81
8.1
82
8.2
83
8.3
84
8.4
85
8.5
86
8.6
87
8.7
88
8.8
89
8.9
90
9.0
91
9.1
92
9.2
93
9.3
94
9.4
95
9.5
96
9.6
97
9.7
98
9.8
99
9.9
36
-EN
Distance
Distance (cm)
(inch)
183.6
72.4
187.0
73.7
190.4
75.0
193.8
76.4
197.2
77.7
200.6
79.1
204.0
80.4
207.4
81.7
210.8
83.1
214.2
84.4
217.6
85.8
221.0
87.1
224.4
88.4
227.8
89.8
231.2
91.1
234.6
92.5
238.0
93.8
241.4
95.1
244.8
96.5
248.2
97.8
251.6
99.2
255.0
100.5
258.4
101.8
261.8
103.2
265.2
104.5
268.6
105.9
272.0
107.2
275.4
108.5
278.8
109.9
282.2
111.2
285.6
112.6
289.0
113.9
292.4
115.2
295.8
116.6
299.2
117.9
302.6
119.3
306.0
120.6
309.4
121.9
312.8
123.3
316.2
124.6
319.6
126.0
323.0
127.3
326.4
128.6
329.8
130.0
333.2
131.3
336.6
132.7
About the Crossover
Crossover (X-OVER):
This unit is equipped with an active crossover. The crossover limits the
frequencies delivered to the outputs. Each channel is controlled
independently. Thus, each speaker pair can be driven by the
frequencies for which they have been optimally designed.
The crossover adjusts the HPF (high pass filter) or LPF (low pass filter) of
each band, and also the slope (how fast the filter rolls off the highs or
lows).
Adjustments should be made according to the reproduction
characteristics of the speakers. Depending on the speakers, a passive
network may not be necessary. If you are unsure about this point,
consult your authorized Alpine dealer.
4.2ch (FRONT/REAR/SUBW.) mode
Cut-off frequency
(1/3 octave steps)
HPF
LPF
Low
20 Hz -
range
----
200 Hz
speaker
Rear
high
20 Hz -
----
range
200 Hz
speaker
Front
high
20 Hz -
----
range
200 Hz
speaker
Low range
(Different from actual display)
2.2ch (3WAY) mode
Cut-off frequency
(1/3 octave steps)
HPF
LPF
Low
20 Hz -
range
----
200 Hz
speaker
Mid
20 Hz -
20 Hz -
range
200 Hz
20 kHz
speaker
1 kHz -
High
20 kHz,
range
----
(20 Hz ~
speaker
*
20 kHz)
Slope
Level
HPF
LPF
FLAT, 6,
12, 18,
0 to
----
24 dB/
−12 dB
oct.
FLAT, 6,
12, 18,
0 to
----
24 dB/
−12 dB
oct.
FLAT, 6,
12, 18,
0 to
----
24 dB/
−12 dB
oct.
High range
Slope
Level
HPF
LPF
FLAT, 6,
12, 18,
0 to
----
24 dB/
−12 dB
oct.
FLAT, 6,
FLAT, 6,
12, 18,
12, 18,
0 to
24 dB/
24 dB/
−12 dB
oct.
oct.
*
FLAT
6,
12, 18,
0 to
----
24 dB/
−12 dB
oct.
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