B
R
LAUPUNKT
ECOMMENDED
SEALED BOX
Vt
f3
(Volume Total)
(freq. @ -3dB)
cu.ft. (L)
Hz
0.5 (14.1L)
63
0.75 (21.2L)
56
1.0 (28.3L)
54
1.5 (42.5L)
52
2.0 (56.6L)
51
VENTED BOX
Vt
f3
fb
(Volume Total)
(Port tuning
(freq. @ -3dB)
freq.)
cu.ft. (L)
Hz
Hz
0.5 (14.1L)
65
55
0.75 (21.2L)
54
45
1.0 (28.3L)
48
40
1.5 (42.5L)
41
35
2.0 (56.6L)
36
30
SINGLE-VENTED BAND-PASS BOX
Vt
(Volume Total)
f3-low
f3-hi
(Vented front box
cu.ft. (L)
Hz
Hz
1.0 (28.3L)
37
156
0.60 (17.0L) 0.40 (11.3L)
1.25 (35.4L)
35
140
0.75 (21.2L) 0.50 (14.1L)
1.5 (42.5L)
30
126
0.90 (25.5L) 0.60 (17.0L)
2.0 (56.6L)
28
110
1.25 (35.4L) 0.75 (21.2L)
2.5 (70.7L)
27
96
1.5 (42.5L)
B
OX
SPL
(dB ref 1W)
90
90
90
90
90
SPL
Port Length
Port Length
w/2" dia port
w/3" dia port
in. (cm)
in. (cm)
(dB ref 1W)
4.0 (10.2cm)
10.6 (26.9cm)
90
4.0 (10.2cm)
10.6 (26.9cm)
90
3.7 (9.4cm)
9.9 (25.1cm)
90
3.6 (9.1cm)
9.6 (24.2cm)
90
3.0 (7.62cm)
8.5 (21.5)
90
VF
VR
fb
(Sealed rear box
(Port tuning
Port Length
volume)
volume)
freq.)
w/3" dia port
cu.ft. (L)
cu.ft. (L)
Hz
in. (cm)
75
6.2" (15.7cm) 12.3" (31.2cm)
70
5.4" (13.7cm) 10.9" (27.7cm)
60
6.5" (16.5cm) 12.9" (32.8cm)
55
6.1" (15.5cm) 12.2" (30.9cm)
1.0 (28.3L)
50
5.2" (13.2cm) 10.7" (27.2cm)
D
- PC
1200, 12" S
ESIGNS
W
SPL
Port Length
w/4" dia port
in. (cm)
(dB ref 1W)
90
90
90
90
90
– 79 –
UBWOOFER