SPECIFICATIONS
D
IAMETER
:
12" (305
MM
)
S
ENSITIVITY
(2.83 V @ 1
M
):
94 dB
P
OWER
H
ANDLING
:
400 W
1600 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
)
