Infinity Reference 1240w 12" Technical Data

CAR AUDIO

SPECIFICATIONS

D :
IAMETER
S (2.83 V @ 1 ):
ENSITIVITY M
P H :
OWER ANDLING
F R :
REQUENCY ESPONSE
N I :
OMINAL MPEDANCE
V -C D :
OICE OIL IAMETER
D :
IMENSIONS
mounting depth
5-1/16" (129 mm)

THIELE-SMALL PARAMETERS

V C D R :
OICE OIL C ESISTANCE
V C I @ 1
OICE OIL NDUCTANCE
D R A :
RIVER ADIATING REA
M F F :
OTOR ORCE ACTOR
C V :
OMPLIANCE OLUME
S C :
USPENSION OMPLIANCE
M M , A L :
OVING ASS IR OAD
M M , D :
OVING ASS IAPHRAGM
F -A R :
REE IR ESONANCE
M Q:
ECHANICAL
E Q:
LECTRICAL
T Q:
OTAL
M -G H :
AGNETIC AP EIGHT
V -C H :
OICE OIL EIGHT
M E :
AXIMUM XCURSION
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-674-4463 • www.infinitysystems.com
Reference 1240w 12" Woofer – Technical Data
12" (300 )
MM
93 dB
300 W 1200 W
PEAK
RMS
23 ~ 400 H
Z
4
OHMS
2.0" (51.0 )
MM
cutout diameter
11-3/16" (284mm)
outer diameter
12-7/16" (316mm)
R ( ) . . . . . . 3.40
OHMS
EVC
H : L ( H) . . . . . . . 2.54
K Z M
EVC
S ( ) . . . . . . . . 82.46
2
IN
D
S ( ) . . . . . . . 532.00
2
M
D
B (T ) . . . . . . . . 14.24
L M
V ( ) . . . . . . . . 3.00
3
FT
AS
V ( ) . . . . . 84.40
LITERS
AS
C (µ /N) . . . . 210.00
M
MS
M ( ). . . . 187.60
GRAMS
MS
M ( ) . . . 180.60
GRAMS
MD
F (H ) . . . . . . . . 25.40
Z
S
Q . . . . . . . . . . . 7.62
MS
Q . . . . . . . . . . . 0.50
ES
Q . . . . . . . . . . . . 0.47
TS
H ( ) . . . . . . . .
IN
AG
H ( ) . . . . . . . . 9.00
MM
AG
H ( ) .. . . . . . . . 1-1/4
IN
VC
H ( ) . . . . . . . . . . 32
MM
VC
X ( ) . . . . . . . . 7/16
IN
MAX
X ( ) . . . . . . 11.50
MM
MAX
SEALED BOX VOLUME
(INCLUDES DRIVER DISPLACEMENT)

SEALED ENCLOSURE

FREQUENCY RESPONSE @ 2.83 V

dBSPL
105
100
In-Car
95
12 dB LP @ 80 Hz
90
85
Out-Of-Car
80
75
70
65
60
55
20 Hz 30

SEALED ENCLOSURE CONE

EXCURSION @ 300 W

M
30m
20m
10m
5m
2m
1m
500u
3/8
200u
100u
50u
20u
10u
5u
20 Hz
30
Reference 1240w
(side view)
3
V = 1.25 ft (35.40 liters)
BOX
40 50 60 70 80 90 100
40 50 60 70 80 90 100
200 300
200 300