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SEALED
BOX VOLUME
V
= 1.85 ft
BOX
(all sides lined with 1-inch fiberglass or fiberfill)
SEALED
FREQUENCY RESPONSE @ 2.83 V
dB
105
100
In-Car
12 dB LP @ 70 Hz
95
Out-Of-Car
90
85
80
75
70
65
20
Frequency
50
100 Hz
SEALED
EXCURSION/GROUP DELAY @ 500 W
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0
20
Frequency
50
100 Hz
7•54 . . . . . JBL Technical Data
1500GTi 15" Woofer – Technical Data
GTi1500
(side view)
3
(52.39 liters)
200
500
1k
Group Delay
Transducer Excursion
200
500
1k
VENTED
BOX VOLUME
V
= 2.86 ft
BOX
(all sides lined with 1-inch fiberglass or fiberfill)
VENTED
FREQUENCY RESPONSE @ 2.83 V
In-Car
dB
105
12 dB LP @ 70 Hz
100
95
90
85
Out-Of-Car
80
75
70
65
C
2 k
20
Frequency
50
VENTED
EXCURSION/GROUP DELAY @ 600 W
T mSec
Xd mM
10.0
40
7.5
35
5.0
30
2.5
25
0.0
20
-2.5
15
-5.0
10
-7.5
5
-10.0
C
0
2 k
20
Frequency
50
length = 9.46"
GTi1500
(side view)
3
(81.00 liters)
100 Hz
200
500
Group Delay
Transducer Excursion
100 Hz
200
500
(2) Ports
f o = 39 Hz
diameter = 4.0"
C
1k
2 k
T mSec
20
15
10
5
0
-5
-10
-15
C
-20
1k
2 k
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