JBL GT1241
Manual de Servicio

GT1241 12" Woofer � Technical Data
VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)

length = 8.00"

Port
fo = 35.0 Hz

(2) Ports
fo = 55.0 Hz

length = 9.00"

GT1241
(side view)

GT1241
(side view)

diam. = 4"

VBOX = 2.00 ft3 (56.64 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

diameter = 4"

V

REAR (all sides lined with 1-inch fiberglass or fiberfill)

= 2.00 ft3 (56.64 liters)

V

FRONT

= 1.50 ft3 (42.48 liters)

VENTED FREQUENCY RESPONSE @ 2.83 V
105 100 dB In-Car 12 dB LP @ 75 Hz 100

SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 65 Hz

95 Out-Of-Car 90

95 Out-Of-Car 90

85

85

80

80

75

75

70

70

65 20 Frequency 50 100 Hz 200 500 1k

C

65 20 Frequency 50 100 Hz 200 500 1k

C

2k

2k

VENTED EXCURSION/GROUP DELAY @ 300 W
40 Xd mM T mSec 20 20.0 35 15 17.5

SEALED BANDPASS EXCURSION/GROUP DELAY @ 250 W
Xd mM T mSec 20 15

30

10

15.0 Group Delay

10

25 Group Delay 20

5

12.5

5

0

10.0

0

15

-5

7.5 Transducer Excursion

-5

10

-10

5.0

-10

5

Transducer Excursion

-15

2.5

-15

0 20 Frequency 50 100 Hz 200 500 1k

C

-20

0.0 20 Frequency 50 100 Hz 200 500 1k

C

-20

2k

2k

Harman Consumer Group � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.jbl.com