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
SEALE
D B
O
X V
OL
U
ME
(
INCL
UD
ES
D
RI
V
ER
D
ISPLACEMENT
)
SEALE
D
ENCLOS
U
RE
FRE
QU
ENC
Y
RESPONSE
@ 2.83
V
SEALE
D
ENCLOS
U
RE CONE
E
X
C
U
RSION
@ 300
W
H
arman
C
onsumer
Group
• 250
C
rossways
P
ark
Drive
• Woodbury,
N
Y 11797 • V
OICE
: 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
B
O
X
= 1.25
ft
3
(35.40
liters)
R
eference 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
O
ut
-O
f
-C
ar
I
n
-C
ar
12
dB
LP
@ 80
H
z
