Blaupunkt Blau PCwg100 User Manual page 15

B R
LAUPUNKT ECOMMENDED
SEALED BOX
V f SPL
T 3
Total box Freq. Mid-band
volume effcy
(cu.ft.) (Hz) (dB)
0.50 60 92
0.75 55 92
1.00 52 91
1.25 50 91
1.50 48 91
2.00 45 90
VENTED BOX
V f f
T 3 B
Total box Freq. Port tune
volume freq.
(cu.ft.) (Hz) (Hz)
0.50 62 40
0.75 55 40
1.00 40 35
1.25 45 35
1.50 40 30
2.00 35 30
SINGLE-VENTED BAND-PASS BOX
V f f
T 3L 3H
Total box Freq. Freq.
volume
(cu.ft.) (Hz) (Hz)
0.75 78 180
1.00 55 150
1.25 45 130
1.50 40 120
2.50 35 95
3.50 25 85
<NR> is NOT a recommended design
B
OX
P P SPL
L L
Port tube Port tube Mid-band
length for length for effcy
3" I.D. port 4" I.D. port
(in.) (in.) (dB)
9.1 <NR> 92
5.6 <NR> 92
5.4 13.0 92
4.0 10.2 92
4.8 12.0 91
3.2 8.3 91
f V V P
B F R L
Port tune Vented Sealed Port tube
freq. front box rear box length for
volume volume 3" I.D. port
(Hz) (cu.ft.) (cu.ft.) (in.)
120 0.5 0.25 0.75
90 0.6 0.4 1.7
75 0.8 0.7 2.0
65 1.1 0.9 2.0
60 1.25 1.25 2.0
47 1.25 2.25 4.6
D - PC
ESIGNS WG
110
100
db
90
80
70
110
100
db
90
80
70
110
P SPL
L
Port tube Mid-band
100
length for effcy
4" I.D. port
db
(in.) (dB)
90
1.75 93
80
4.0 92
70
4.5 91
4.3 90
4.5 90
9.3 87
– 41 –
120, 12" S
UBWOOFER
SEALED BOX: 0.75 vs. 2.0 cu.ft.
2.0 cu.ft.
0.75 cu.ft.
20 50 100 HZ
VENTED BOX: 0.75 vs. 2.0 cu.ft.
2.0 cu.ft.
0.75 cu.ft.
20 50 100 HZ
SINGLE-VENTED BAND-PASS: 2.0 vs. 3.5 cu.ft.
2.0 cu.ft.
3.5 cu.ft.
20 50 100 HZ
200 500
200 500
200 500