User manual JBL P 1220 DATASHEET
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Manual abstract: user guide JBL P 1220DATASHEET
Detailed instructions for use are in the User's Guide.
[. . . ] [. . . ] 15. 90
90 Out-Of-Car 85
80
75
70
65
60 20 Frequency 50 100 Hz 200 500 1k
C
2k
SEALED TRANSDUCER EXCURSION @ 450 W
20. 0 Xd mM 17. 5
15. 0
12. 5
10. 0
7. 5
5. 0
2. 5
0. 0 20 Frequency 50 100 Hz 200 500 1k
C
2k
JBL Consumer Products · 250 Crossways Park Drive · Woodbury, NY 11797 · VOICE: 516-496-3400 · FAX: 516-496-4868 · www. jbl. com
P1220 12" Woofer Technical Data
VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)
Port
length = 12. 58" length = 10. 50"
Port
fo = 28. 0 Hz
fo = 44. 9 Hz
P1220
(side view)
P1220
(side view) diam. = 6"
VBOX =
2. 25 ft3 (63. 72 liters)
diameter = 4"
(stuffed with loosely-packed fiberfill)
VREAR = 1. 50 ft3 (42. 48 liters)
(stuffed with loosely-packed fiberfill)
VFRONT = 2. 00 ft3 (56. 64 liters)
(stuffed with loosely-packed fiberfill)
VENTED FREQUENCY RESPONSE @ 2. 83 V
110 dB In-Car 12 dB LP @ 80 Hz 110 105 105
SEALED BANDPASS FREQUENCY RESPONSE @ 2. 83 V
dB In-Car 12 dB LP @ 80 Hz
100 Out-Of-Car
100 Out-Of-Car
95
95
90
90
85
85
80
80
75
75
70 20 Frequency 50 100 Hz 200 500 1k
C
70 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
VENTED TRANSDUCER EXCURSION @ 500 W
40 Xd mM 20. 0 35 17. 5
SEALED BANDPASS TRANSDUCER EXCURSION @ 400 W
Xd mM
30
15. 0
25
12. 5
20
10. 0
15
7. 5
10
5. 0
5
2. 5
0 20 Frequency 50 100 Hz 200 500 1k
C
0. 0 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
JBL Consumer Products · 250 Crossways Park Drive · Woodbury, NY 11797 · VOICE: 516-496-3400 · FAX: 516-496-4868 · www. jbl. com [. . . ] [. . . ]
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