Frequency Response @ 2.83 V; Sealed Bandpass Box Volume - JBL 1800GTI Technical Data

SEALED BANDPASS
BOX VOLUME
GTi1800
(side view)
3
V = 6.50 ft (184.08 liters)
REAR
(all sides lined with 1-inch fiberglass or fiberfill)
SEALED BANDPASS

FREQUENCY RESPONSE @ 2.83 V

dB
110
In-Car
12 dB LP @ 80 Hz
105
100
Out-Of-Car
95
90
85
80
75
70
20 Frequency 50 100 Hz
SEALED BANDPASS
EXCURSION/GROUP DELAY @ 600 W
Xd mM
20.0
17.5
15.0
12.5 Group Delay
10.0
7.5
Transducer Excursion
5.0
2.5
0.0
20 Frequency 50 100 Hz
7•58 . . . . . JBL Technical Data
1800GTi18" Woofer – Technical Data
(3) Ports
length =
9.11"
f o = 55 Hz
diam. = 4"
3
V = 2.20 ft
FRONT
(62.30 liters)
(all sides lined with 1-inch
fiberglass or fiberfill)
200 500 1k
T mSec
200 500 1k
NOTES
C
2 k
40
30
20
10
0
-10
-20
-30
-40
C
2 k