JBL P1222 - Enclosure Design Options; Vented Enclosure Volume; Vented Enclosure Frequency Response; Vented Enclosure Transducer Excursion

VENTED ENCLUSURE VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
VENTED ENCLOSURE TRANSDUCER
EXCURSION @ 400 W
BANDPASS ENCLUSURE VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
BANDPASS ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
BANDPASS ENCLOSURE TRANSDUCER
EXCURSION @ 400 W
JBL Consumer Products • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
P1222
(side view)
Port
f
B
=
33.0 Hz
diameter = 4"
102mm
length = 10-3/4"
277mm
V
BOX
= 1.75 ft
3
(49.56 liters)
V
REAR
= 1.00 ft
3
(28.30 liters)
V
FRONT
=1.75 ft
3
(49.56 liters)
P1222
(
side view)
d
iam. = 4" (102mm)
2 Ports
f
B
= 55.0 Hz
l
ength =
7" (178mm)
20 Hz
30 40 50 60 70 80 90
100
200300
20 Hz
30 40 50 60 70 80 90
100
200300
d
BSPL
dBSPL
20 Hz
30 40 50 60 70 80 90
100
200300
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m
M
20 Hz
30 40 50 60 70 80 90
100
200300
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m
M
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
Out-Of-Car
In-Car
1
2 dB LP @ 80 Hz
P1222 12" Woofer – Technical Data
®
(
stuffed with loose-packed fiberfill)
(
stuffed with loose-packed fiberfill)
(stuffed with loose-packed fiberfill)
65
70
75
80
85
9
0
95
100
1
05
110
1
15
65
7
0
75
80
85
90
95
1
00
105
110
115