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
A
U
DI
O
Reference 1252w
(side view)
Port
f
B
= 30.0 Hz
diameter = 4"
102mm
length = 12-1/4"
312mm
V
BOX
= 2 ft
3
(56.63 liters)
V
R
EAR
= 1.25 ft
3
(36.40 liters) V
F
RONT
=1.25 ft
3
(36.40 liters)
Reference 1252w
(
side view)
diam. = 4"
102mm
2 Ports
f
B
=
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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