JBL GT800
Manual de Servicio

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