HARMAN KARDON BETATWELVEXDVC
Manual de Servicio

Beta TwelveXdvc 12" Woofer � Technical Data
SEALED BANDPASS BOX VOLUME
Port
fo = 60 Hz length = 7.79"

NOTES

Beta TwelveXdvc
(side view) diam. = 4"

VREAR = 1.40 ft3 (39.65 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

VFRONT = 0.70 ft3 (19.82 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 80 Hz 100

95

Out-Of-Car

90

85

80

75

70

65 20 Frequency 50 100 Hz 200 500 1k

C

2k

SEALED BANDPASS EXCURSION/GROUP DELAY @ 200 W
20.0 Xd mM T mSec 40 17.5 30

15.0

20

12.5 Group Delay 10.0

10

0

7.5

-10

5.0

-20

2.5

Transducer Excursion

-30

0.0 -40

C

-40

Ininfity Technical Data . . 8�49