Read JBL GT 1241 (serv.man2) Service Tips online
VENTED BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
(INCLUDES DRIVER/PORT DISPLACEMENTS)
VENTED
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
VENTED
EXCURSION/GROUP DELAY @ 300 W
EXCURSION/GROUP DELAY @ 300 W
SEALED BANDPASS BOX VOLUME
(INCLUDES DRIVER/PORT DISPLACEMENTS)
(INCLUDES DRIVER/PORT DISPLACEMENTS)
SEALED BANDPASS
FREQUENCY RESPONSE @ 2.83 V
FREQUENCY RESPONSE @ 2.83 V
SEALED BANDPASS
EXCURSION/GROUP DELAY @ 250 W
EXCURSION/GROUP DELAY @ 250 W
Harman Consumer Group • 250 Crossways Park Drive • Woodbury, NY 11797 • VOICE: 516-496-3400 • FAX: 516-496-4868 • www.jbl.com
GT1241 12" Woofer – Technical Data
GT1241
(side view)
Port
fo = 35.0 Hz
diameter = 4"
length = 8.00"
V
BOX
=
2.00 ft
3
(56.64 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 @ 75 Hz
12 dB LP @ 75 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
=
2.00 ft
3
(56.64 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
V
FRONT
=
1.50 ft
3
(42.48 liters)
GT1241
(side view)
diam. = 4"
(2) Ports
fo= 55.0 Hz
length =
9.00"
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 @ 65 Hz
12 dB LP @ 65 Hz
C
Xd mM
20.0
17.5
15.0
12.5
10.0
7.5
5.0
2.5
0.0
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
Display
