VXW 380
SEALED
BOX
VT
f3
SPL
Total box Freq.
Mid-
volume
band
effc'y
(l)
(Hz)
(dB)
40
57
93
80
46
93
120
44
93
160
42
93
200
40
93
trunk
42
93
VENTED
BOX
VT
f3
fB
Total box Freq. Port
volume
tuning tube
freq.
(l)
(Hz)
(Hz)
40
69
50
80
49
40
120
40
35
160
34
30
200
31
30
240
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)
40
NR>
80
52
140
800
120
37
110
65
160
25
100
50
200
15
90
40
240
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)
15,0
NR
93
9,9
28.6
93
7,5
23,3
93
7,8
24,0
93
4,6
16,7
93
NR
11,8
93
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
for 100
mm i. D. mm i. D.
(l)
(l)
(cm)
(cm)
50
30
NR
3,8
50
70
NR
12,3
50
110
10.3
29,6
50
150
20,9
53,4
sealedbox - 80 l ... 200 l
ventedbox - 80 l ... 200 l
SPL
Mid-
band
effc'y
(dB)
bandpassbox - 80 l ... 200 l
96
92
88
84
NR = NOT A RECOMMENDED APLICATION
23