HARMAN KARDON KAPPA120.3DVC
Service Manual

Kappa 120.3dvc 12" Woofer � Technical Data
CAR AUDIO

VENTED BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)

SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)
Port
length = 9.71"

length = 12.26"

Port
fo = 30.0 Hz

fo = 50.0 Hz

Kappa 120.3dvc
(side view)

Kappa 120.3dvc
(side view) diam. = 4"

VBOX = 2.00 ft3 (56.64 liters)
(stuffed with loosely-packed fiberfill)

diameter = 4.0"

VREAR = 1.30 ft3 (36.82 liters)
(stuffed with loosely-packed fiberfill)

VFRONT = 0.86 ft3 (24.36 liters)
(stuffed with loosely-packed fiberfill)

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

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

95

Out-Of-Car

95 Out-Of-Car

90

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 TRANSDUCER EXCURSION @ 300 W
20.0 Xd mM 20.0 17.5 17.5

SEALED BANDPASS TRANSDUCER EXCURSION @ 300 W
Xd mM

15.0

15.0

12.5

12.5

10.0

10.0

7.5

7.5

5.0

5.0

2.5

2.5

0.0 20 Frequency 50 100 Hz 200 500 1k

C

0.0 20 Frequency 50 100 Hz 200 500 1k

C

2k

2k

Infinity Systems, Inc. � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.infinitysystems.com