Blaupunkt Blau PCwg100 - BLAUPUNKT RECOMMENDED BOX DESIGNS - PCWG 100, 10 SUBWOOFER

– 39 –
B LAUPUNKT R ECOMMENDED B OX D ESIGNS - PC WG 100, 10” S UBWOOFER
110
70
90
80
100
db
20 50 100 200HZ 500
SEALED BOX: 0.5 vs. 1.5 cu.ft.
1.5 cu.ft.
0.5 cu.ft.
110
70
90
80
100
db
20 50 100 200HZ 500
VENTED BOX: 0.5 vs. 1.5 cu.ft.
1.5 cu.ft.
0.5 cu.ft.
110
70
90
80
100
db
20 50 100 200HZ 500
SINGLE-VENTED BAND-PASS: 1.0 vs. 2.0 cu.ft.
2.0 cu.ft.
1.0 cu.ft.
SEALED BOX
V
T
f
3
SPL
Total box
volume
Freq.
(cu.ft.) (Hz) (dB)
0.50 65 84
0.75 62 90
1.00 60 90
1.25 60 90
1.50 64 90
2.00 66 90
Mid-band
effcy
SINGLE-VENTED BAND-PASS BOX
Total box
volume
Mid-band
effcy
Freq. Freq. Port tube
length for
3" I.D. port
Port tune
freq.
Sealed
rear box
volume
Vented
front box
volume
Port tube
length for
4" I.D. port
(cu.ft.) (Hz) (Hz) (Hz) (cu.ft.) (cu.ft.) (in.) (in.) (dB)
0.75 52 140 85 0.4 0.35 4.4 8.8 90
1.00 45 130 75 0.5 0.5 4.6 9.1 90
1.25 45 110 70 0.6 0.65 4.3 8.6 90
1.50 43 95 65 0.7 0.8 4.2 8.5 89
1.75 38 92 60 0.7 1.05 5.3 10.4 88
2.00 32 95 55 0.7 1.3 6.7 13.0 87
VENTED BOX
V
T
f
3
f
B
P
L
P
L
SPL
Total box
volume
Freq. Port tune
freq.
(cu.ft.) (Hz) (Hz) (in.) (in.) (dB)
0.50 60 40 9.0 <NR> 91
0.75 50 40 5.6 <NR> 90
1.00 42 40 3.8 9.7 90
1.25 38 40 2.8 7.3 90
1.50 35 35 3.1 8.1 90
2.00 32 35 2.0 5.5 90
Mid-band
effcy
Port tube
length for
3" I.D. port
Port tube
length for
4" I.D. port
V
T
f
3L
f
3H
f
B
V
F
V
R
P
L
P
L
SPL
<NR> is NOT a recommended design