HARMAN KARDON 1800GTI18
Manual de Servicio

1800GTi18" Woofer � Technical Data
SEALED BANDPASS BOX VOLUME
(3) Ports
fo = 55 Hz length = 9.11"

NOTES

GTi1800
(side view) diam. = 4"

VREAR = 6.50 ft3 (184.08 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

VFRONT = 2.20 ft3 (62.30 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
110 dB In-Car 12 dB LP @ 80 Hz 105

100 Out-Of-Car 95

90

85

80

75

70 20 Frequency 50 100 Hz 200 500 1k

C

2k

SEALED BANDPASS EXCURSION/GROUP DELAY @ 600 W
20.0 Xd mM T mSec 40 17.5 30

15.0

20

12.5

Group Delay

10

10.0

0

7.5

-10

5.0

Transducer Excursion

-20

2.5

-30

0.0 20 Frequency 50 100 Hz 200 500 1k

C

-40

2k

7�58 . . . . . JBL Technical Data