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Delay
Time Di er-
Number
ence (ms)
44
4.4
45
4.5
46
4.6
47
4.7
48
4.8
49
4.9
50
5.0
51
5.1
52
5.2
53
5.3
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
Distance
Distance (cm)
(inch)
149.6
59.0
153.0
60.3
156.4
61.6
159.8
63.0
163.2
64.3
166.6
65.7
170.0
67.0
173.4
68.3
176.8
69.7
180.2
71.0
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
Delay
Time Di er-
Number
ence (ms)
95
9.5
96
9.6
97
9.7
98
9.8
99
9.9
About Time 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-o 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
Distance
Distance (cm)
(inch)
323.0
127.3
326.4
128.6
329.8
130.0
333.2
131.3
336.6
132.7
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
39
-EN
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