Read JBL GT 800D Service Tips online
VENTED
BOX VOLUME
BOX VOLUME
VENTED
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
VENTED
EXCURSION/GROUP DELAY @ 75 W
EXCURSION/GROUP DELAY @ 75 W
SEALED BANDPASS
BOX VOLUME
BOX VOLUME
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
EXCURSION/GROUP DELAY @ 75 W
EXCURSION/GROUP DELAY @ 75 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
GT800d 8" Woofer – Technical Data
GT800d
(side view)
Port
fo = 32.0 Hz
diameter = 2.5"
length = 8.62"
V
BOX
=
1.00 ft
3
(28.32 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
C
dB
105
100
95
90
85
80
75
70
65
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 90 Hz
12 dB LP @ 90 Hz
C
Xd mM
40
35
30
25
20
15
10
5
0
T mSec
20
15
10
5
0
-5
-10
-15
-20
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
V
REAR
=
0.54 ft
3
(15.29 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
V
FRONT
=
0.30 ft
3
(4.25 liters)
(all sides lined with 1-inch
fiberglass or fiberfill)
fiberglass or fiberfill)
GT800d
(side view)
diam. = 3"
Port
fo= 65.0 Hz
length =
9.97"
C
dB
100
95
90
85
80
75
70
65
60
20 Frequency 50 100 Hz 200 500 1k 2 k
Out-Of-Car
In-Car
12 dB LP @ 80 Hz
12 dB LP @ 80 Hz
C
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0
T mSec
100
75
50
25
0
-25
-50
-75
-100
20 Frequency 50 100 Hz 200 500 1k 2 k
Transducer Excursion
Group Delay
Display
