JBL GT1500D
Instrukcja Serwisowa

GT1500d 15" Woofer � Technical Data
SEALED BANDPASS BOX VOLUME NOTES

(2) Ports
fo = 50 Hz

length = 11.96"

GT1500d
(side view) diam. = 4"

VREAR = 2.50 ft3 (70.80 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

VFRONT = 1.75 ft3 (49.56 liters)

SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
110 dB In-Car 12 dB LP @ 70 Hz 105

100

95 Out-Of-Car 90

85

80

75

70 20 Frequency 50 100 Hz 200 500 1k

C

2k

SEALED BANDPASS EXCURSION/GROUP DELAY @ 150 W
20.0 Xd mM T mSec 100 17.5 75

15.0

50

12.5

Group Delay

25

10.0

0

7.5

-25

5.0

Transducer Excursion

-50

2.5

-75

0.0 20 Frequency 50 100 Hz 200 500 1k

-100 2k
C

JBL Technical Data . . . . . 7�31