8 622 402 993
SEALED
BOX
VT
f3
SPL
Total box
Freq.
Mid-
volume
-3dB
band
effc’y
(l)
(Hz)
(dB)
40
40
93
80
36
93
120
33
93
160
30
93
200
28
93
240
28
93
VENTED
BOX
VT
f3
fB
PL
PL
SPL
Total box Freq. Port
Port
Port
Mid-
volume
tuning
tube
tube
band
freq.
length
length
effc’y
for 100 for 150
mm i. D. mm i. D.
(l)
(Hz)
(Hz)
(mm)
(mm)
(dB)
40
45
40
28.3
NR
93
80
33
30
24.2
NR
93
120
28
25
22.9
NR
93
160
25
25
15.0
NR
93
200
24
25
10.3
29.6
93
240
23
25
7.2
22.6
93
SINGLE
VENTED
BANDPASS BOX
V
T
f
3L
f
3H
f
B
V
F
V
R
P
L
P
L
SPL
Total
Freq.
Freq.
Port
Vented Sealed
Port
Port
Mid-
box
tune
front
rear
tube
tube
band
vol.
freq.
box
box
length
length
effc’y
volume volume for 100 for 150
mm i. D. mm i. D.
(l)
(Hz)
(Hz)
(Hz)
(l)
(l)
(cm)
(cm)
(dB)
40
NR
NR
NR
NR
NR
NR
NR
NR
80
35
100
55
40
40
11.0
31.1
93
120
30
86
45
60
60
10.9
30.9
92
160
26
78
40
80
80
10.0
28.7
92
200
20
65
35
80
120
15.5
NR
89
240
NR
NR
NR
NR
NR
NR
NR
NR
sealedbox - 30 l ... 75 l
ventedbox - 40 l ... 85 l
bandpassbox - 25 l ... 70 l
NR = NOT A RECOMMENDED APLICATION
VCS 15
Recommended box designs • Boxenempfehlung •
Conception recommandée des enceintes
70
80
90
100
110
20
db
50
100
HZ
200
500
70
80
90
100
110
20
db
50
100
HZ
200
500
70
80
90
100
110
20
db
50
100
HZ
200
500