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Les langues disponibles
VXW 250 Recommended box designs • Boxenempfehlung •
Conception recommandée des enceintes
SEALED
BOX
VT
f3
SPL
Total box Freq.
Mid-
volume
band
effc'y
(l)
(Hz)
(dB)
15
60
91
30
57
91
45
54
91
60
51
91
75
50
91
trunk
60
91
VENTED
BOX
VT
f3
fB
Total box Freq. Port
volume
tuning tube
freq.
(l)
(Hz)
(Hz)
25
56
45
40
45
40
55
38
35
70
34
30
85
31
30
100
28
30
SINGLE
BANDPASS BOX
V T
f 3L
f 3H
f B
Total
Freq.
Freq.
Port
box
tune
vol.
freq.
(l)
(Hz)
(Hz)
(Hz)
25
55
200
90
40
35
140
75
55
32
110
60
70
30
85
50
85
NR
100
NR
PL
PL
SPL
Port
Port
Mid-
tube
band
length
length effc'y
for 70
for 100
mm i. D. mm i. D.
(mm)
(mm) (dB)
26.8
NR
91
14.3
28.3
91
10.3
26.4
91
16
31
91
10.9
22.3
91
8.3
17.7
91
VENTED
V F
V R
P L
P L
Vented Sealed
Port
Port
front
rear
tube
tube
box
box
length
length
volume volume
for 70
for100
mm i. D. mm i. D.
(l)
(l)
(cm)
(cm)
15
10
4.5
10.9
15
25
9.3
19.4
20
35
12
24.2
30
40
11.3
22.9
sealedbox - 30 l ... 75 l
ventedbox - 40 l ... 85 l
SPL
Mid-
band
effc'y
(dB)
92
bandpassbox - 25 l ... 70 l
89
88
87
NR = NOT A RECOMMENDED APLICATION
8 622 401 256
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