Infinity Reference 1240w 12" - Manual

SPECIFICATIONS
D IAMETER :12" (300 MM )
S ENSITIVITY (2.83 V @ 1 M ): 93 dB
P OWER H ANDLING :300 W 1200 W
PEAK RMS
F REQUENCY R ESPONSE : 23 ~ 400 H Z
N
OMINAL
I
MPEDANCE
:4
OHMS
V
OICE
-C
OIL
D
IAMETER
:2.0" (51.0
MM
)
D IMENSIONS :
THIELE-SMALL PARAMETERS
V OICE C OIL D C R ESISTANCE :R
EVC
( OHMS ) . . . . . . 3.40
V OICE C OIL I NDUCTANCE @ 1 K H Z :L
EVC
( M H) . . . . . . . 2.54
D RIVER R ADIATING A REA :S
D
( IN 2 ) . . . . . . . . 82.46
S
D
( M 2 ) . . . . . . . 532.00
M
OTOR
F
ORCE
F
ACTOR
:B
L
(T
M
) . . . . . . . . 14.24
C
OMPLIANCE
V
OLUME
:V
AS
(
FT 3 ) . . . . . . . . 3.00
V
AS
( LITERS ) . . . . . 84.40
S USPENSION C OMPLIANCE :C
MS
(µ M /N) . . . . 210.00
M OVING M ASS , A IR L OAD :M
MS
( GRAMS ). . . . 187.60
M
OVING
M
ASS
, D
IAPHRAGM
:M
MD
(
GRAMS
) . . . 180.60
F
REE
-A
IR
R
ESONANCE
:F
S
(H
Z
) . . . . . . . . 25.40
M ECHANICAL Q: Q
MS
. . . . . . . . . . . 7.62
E LECTRICAL Q: Q
ES
. . . . . . . . . . . 0.50
T OTAL Q: Q
TS
. . . . . . . . . . . . 0.47
M
AGNETIC
-G
AP
H
EIGHT
:H
AG
(
IN
) . . . . . . . . 3/8
H
AG
(
MM
) . . . . . . . . 9.00
V OICE -C OIL H EIGHT :H
VC
( IN ) .. . . . . . . . 1-1/4
H
VC
( MM ) . . . . . . . . . . 32
M AXIMUM E XCURSION :X
MAX
( IN ) . . . . . . . . 7/16
X
MAX
(
MM
) . . . . . . 11.50
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)
SEALED ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
SEALED ENCLOSURE CONE
EXCURSION @ 300 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-674-4463 • www.infinitysystems.com
Reference 1240w 12" Woofer – Technical Data
CAR AUDIO
mounting depth
5-1/16" (129 mm)
cutout diameter
11-3/16" (284mm)
outer diameter
12-7/16" (316mm)
V
BOX
= 1.25 ft 3 (35.40 liters)
Reference 1240w
(side view)
20 Hz 30 40 50 60 70 80 90 100 200300
20 Hz 30 40 50 60 70 80 90 100 200300
dBSPL
55
60
65
70
75
80
85
90
95
100
105
M
5u
10u
20u
50u
100u
200u
500u
1m
2m
5m
10m
20m
30m
Out-Of-Car
In-Car
12 dB LP @ 80 Hz