Infinity Reference 1252w Technical Data Manual
SPECIFICATIONS
D
IAMETER
:12" (300MM)
S
E
NSITIVITY
(2.83 V @ 1M): 93 dB
P
OWERHANDLING
:300 W 1200 W
PEAK
RMS
F
REQUENCYRESPONSE
: 23 ~ 400 H
Z
N
OMINALIMPEDANCE
:2 or 8
OHMS
V
OICE-COILDIAMETER
:2.0" (51.0 MM)
D
IMENSIONS
:
THIELE-SMALL PARAMETERS
V
OICECOILDCRESISTANCE
:R
EVC
(
OHMS
) . . . . . . 1.85
V
OICECOILINDUCTANCE
@ 1KHZ:L
EVC
(MH) . . . . . . . 1.12
D
RIVERRADIATINGAREA
:S
D
(
IN
2
) . . . . . . . . 82.46
S
D
(
M
2
) . . . . . . . 532.00
M
OTORFORCEFACTOR
:B
L(TM
) . . . . . . . . 9.76
C
OMPLIANCEVOLUME
:V
AS
(
FT
3
) . . . . . . . . 3.48
V
AS
(
LITERS
) . . . . . 98.64
S
USPENSIONCOMPLIANCE
:C
MS
(µM/N) . . . . 244.00
M
OVINGMASS
, AIRL
OAD
:M
MS
(
GRAMS
). . . . 176.80
M
OVINGMASS
, D
IAPHRAGM
:MMD(
GRAMS
) . . . 169.75
F
REE-AIRRESONANCE
:F
S
(HZ) . . . . . . . . 24.23
M
ECHANICAL
Q: QMS. . . . . . . . . . . 6.63
E
LECTRICAL
Q: QES. . . . . . . . . . . 0.52
T
OTAL
Q: QTS. . . . . . . . . . . . 0.48
M
AGNETIC-GAPHEIGHT
:H
AG
(IN) . . . . . . . . 3/8
H
AG
(MM) . . . . . . . . 9.00
V
OICE-COILHEIGHT
:H
VC
(IN) . . . . . . 1-11/16
H
VC
(MM) . . . . . . . . . . 43
M
AXIMUMEXCURSION
:X
MAX
(IN) . . . . . . . . 1/2
X
MAX
(MM) . . . . . . 12.50
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 1252w 12" Woofer – Technical Data
CAR
AUDI
O
mounting depth
5-1/16" (129 mm)
cutout diameter
11-3/16" (284mm)
outer diameter
12-7/16" (316mm)
V
B
OX
= 1.25 ft3(35.40 liters)
Reference 1252w
(
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
VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
VENTED ENCLOSURE CONE
EXCURSION @ 300 W
BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
BANDPASS ENCLOSURE
FREQUENCY RESPONSE @ 2.83 V
BANDPASS ENCLOSURE CONE
EXCURSION @ 300 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-674-4463 • www.infinitysystems.com
Reference 1252w 12" Woofer – Technical Data
CAR
AUDI
O
Reference 1252w
(side view)
Port
fB= 30.0 Hz
diameter = 4"
102mm
length = 12-1/4"
312mm
V
BOX
= 2 ft3(56.63 liters)
V
R
EAR
= 1.25 ft3(36.40 liters) V
F
RONT
=1.25 ft
3
(36.40 liters)
Reference 1252w
(
side view)
diam. = 4"
102mm
2 Ports
fB=
63 Hz
length =
8"
204mm
20 Hz
30 40 50 60 70 80 90
100
200300
55
6
0
65
70
75
8
0
8
5
9
0
95
100
1
05
20 Hz
30 40 50 60 70 80 90
100
200300
55
60
65
70
75
80
85
90
95
100
105
dBSPL
d
BSPL
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
O
ut-Of-Car
I
n-Car
12 dB LP @ 80 Hz
In-Car
12 dB LP @ 80 Hz
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