VCS 10
Recommended box designs • Boxenempfehlung •
Conception recommandée des enceintes
SEALED
BOX
VT
f3
SPL
Total box
Freq.
Mid-
volume
-3dB
band
effc'y
(l)
(Hz)
(dB)
15
50
30
45
45
43
60
41
75
40
trunk
43
VENTED
BOX
VT
f3
fB
Total box Freq. Port
volume
tuning
freq.
length
for 70
mm i. D. mm i. D.
(l)
(Hz)
(Hz)
25
37
35
40
32
35
55
30
30
70
27
30
85
26
30
100
25
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
50
115
75
40
41
91
60
55
37
72
50
70
33
65
45
85
26
62
40
100
22
55
35
8 622 402 993
92
92
92
92
92
92
PL
PL
SPL
Port
Port
Mid-
tube
tube
band
length
effc'y
for 100
(mm)
(mm)
(dB)
31.7
NR
17.6
NR
17.4
NR
14.7
28.9
9.1
22.3
8.3
17.7
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)
15
10
9.3
19.4
20
20
10.1
24.2
30
25
9.4
22.9
30
40
13.1
30.2
30
55
18.8
NR
30
70
25.5
NR
110
100
db
90
80
70
20
sealedbox - 30 l ... 75 l
110
100
db
90
80
70
20
ventedbox - 40 l ... 85 l
92
92
92
92
92
92
110
100
SPL
db
90
Mid-
band
80
effc'y
70
20
(dB)
94
bandpassbox - 25 l ... 70 l
92
92
91
88
86
NR = NOT A RECOMMENDED APLICATION
50
100
HZ
200
50
100
HZ
200
50
100
HZ
200
500
500
500