JBL P1224 Manuale di istruzioni
SPECIFICATIONS
D
IAMETER
:12" (305
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
): 94 dB
P
OWER
H
ANDLING
:400 W1600 W
PEAK
RMS
F
REQUENCY
R
ESPONSE
:23 ~ 450 H
Z
N
OMINAL
I
MPEDANCE
:4
OHMS (PER COIL)
V
OICE
-C
OIL
D
IAMETER
:3.0" (76.2
MM
)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS
V
OICE
C
OIL
D
C
R
ESISTANCE
:R
EVC
(
OHMS
) . . . . . . 2.00
V
OICE
C
OIL
I
NDUCTANCE
@ 1
K
H
Z
:L
EVC
(
M
H) . . . . . . . 1.60
D
RIVER
R
ADIATING
A
REA
:S
D
(
IN
2
) . . . . . . . . 87.11
S
D
......562.00
M
OTOR
F
ORCE
F
ACTOR
:B
L
(T
M
) . . . . . . . . 12.88
C
OMPLIANCE
V
OLUME
:V
AS
(
FT
3
) . . . . . . . . 1.93
V
AS
(
LITERS
) . . . . . 54.60
S
USPENSION
C
OMPLIANCE
:C
MS
(µ
M
/N) . . . . 121.00
M
OVING
M
ASS
, A
IR
L
OAD
:M
MS
(
GRAMS
). . . . 286.70
M
OVING
M
ASS
, D
IAPHRAGM
:M
MD
(
GRAMS
) . . . 279.00
F
REE
-A
IR
R
ESONANCE
:F
S
(H
Z
) . . . . . . . . 27.00
M
ECHANICAL
Q: Q
MS
...........7.40
E
LECTRICAL
Q: Q
ES
........... . 0.58
T
OTAL
Q: Q
TS
. . . . . . . . . . . . 0.54
M
AGNETIC
-G
AP
H
EIGHT
:H
AG
(
IN
) . . . . . . . . 0.48
H
AG
(
MM
) . . . . . . . 12.00
V
OICE
-C
OIL
H
EIGHT
:H
VC
(
IN
).. . . . . . . . 1.58
H
VC
(
MM
)...... . 40.00
M
*VOICE COIL CONNECTED IN PARALLEL
AXIMUM
E
XCURSION
:X
MAX
(
IN
) . . . . . . . . .56
X
MAX
(
MM
) . . . . . . 14.00
SEALED ENCLUSURE VOLUME
(INCLUDES DRIVER DISPLACEMENT)
SEALED ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
SEALED ENCLOSURE TRANSDUCER
EXCURSION @ 400 W
JBL Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
P1224 12" Woofer – Technical Data
mounting depth
6-3/4" (171 mm)
cutout diameter
11-1/16" (281mm)
outer diameter
14-5/8" (371mm)
V
BOX
= 1.00 ft
3(28.32 liters)
P1224
(side view)
20 Hz 30 40 50 60 70 80 90 100 200 300
20 Hz 30 40 50 60 70 80 90 100 200 300
dBSPL
M
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m
In-Car
12 dB LP @ 80 Hz
Out-Of-Car
®
(stuffed with loose-packed fiberfill)
65
70
75
80
85
90
95
100
105
110
115
(
CM
2
)
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
P1224
(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
(78.30 liters) V
FRONT
=1.75 ft
3
(49.56 liters)
P1224
(side view)
diam. = 4" (102mm)
2 Port
fB= 55 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 dBLP @ 80 Hz
Out-Of-Car
In-Car
12 dBLP @ 80 Hz
P1224 12" Woofer – Technical Data
®
(stuffedwith loose-packed fiberfill) (stuffed with loose-packed fiberfill)
(stuffed with loose-packedfiberfill)
65
70
75
80
85
90
95
100
105
110
115
65
70
75
80
85
90
95
100
105
110
115
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