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GT800 8" Woofer � Technical Data
SEALED BOX VOLUME VENTED BOX VOLUME
length = 11.02"
Port
fo = 37 Hz
GT800
(side view)
GT800
(side view)
VBOX = 0.36 ft3 (10.20 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VBOX = 0.61 ft3 (17.28 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
diameter = 2.5"
SEALED FREQUENCY RESPONSE @ 2.83 V
95 90 dB In-Car 12 dB LP @ 70 Hz 100 95
VENTED FREQUENCY RESPONSE @ 2.83 V
dB In-Car 12 dB LP @ 90 Hz
Out-Of-Car 85 Out-Of-Car 90
80
85
75
80
70
75
65
70
60
65
55 20 Frequency 50 100 Hz 200 500 1k
C
60 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
SEALED EXCURSION/GROUP DELAY @ 100 W
8.0 Xd mM T mSec 10 40 7.0 Transducer Excursion 6.0 Group Delay 5.0 2.5 25 5.0 30 7.5 35
VENTED EXCURSION/GROUP DELAY @ 100 W
Xd mM Group Delay 15 T mSec 20
10
5
4.0
0.0
20
0
3.0
-2.5
15 Transducer Excursion
-5
2.0
-5.0
10
-10
1.0
-7.5
5
-15
0.0 20 Frequency 50 100 Hz 200 500 1k
C
-10
0 20 Frequency 50 100 Hz 200 500 1k
C
-20
2k
2k
JBL Technical Data . . . . . . 7�9
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