P1200
(side view)
Port
fo = 35 Hz
diameter = 4.0"
length = 8.11"
V
BOX
=
2.00 ft
3
(56.64 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
C
dB
100
95
90
80
75
70
65
60
55
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
C
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0
T mSec
40
30
20
10
0
-10
-20
-30
-40
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
V
BOX
=
1.50 ft
3
(42.48 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
P1200
(side view)
C
dB
95
90
85
80
75
70
65
60
55
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
C
Xd mM
8.0
7.0
6.0
5.0
4.0
3.0
2.0
1.0
0.0
T mSec
20
15
10
5
0.0
-5
-10
-15
-20
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
SEALED
BOX VOLUME
SEALED
FREQUENCY RESPONSE @ 2.83 V
SEALED
EXCURSION/GROUP DELAY @ 225 W
VENTED
BOX VOLUME
VENTED
FREQUENCY RESPONSE @ 2.83 V
VENTED
EXCURSION/GROUP DELAY @ 350 W
P1200 12" Woofer – Technical Data
JBL Technical Data . . . . . 7•39
