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
fB = 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)
diam. = 4" (102mm)
2 Ports
fB= 55.0 Hz
length =
7" (178mm)
20 Hz
30
40
50
60
70 80 90 100
200300
20 Hz
30
40
50
60
70 80 90 100
200300
dBSPL
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
12 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
90
95
100
105
110
115
65
70
75
80
85
90
95
100
105
110
115
