INFINITY PERFECT12
Service Manual

Kappa Perfect12 12" Woofer � Technical Data
SEALED BOX VOLUME VENTED BOX VOLUME

length = 12.33"

Port
fo = 32 Hz

Kappa Perfect12
(side view)

Kappa Perfect12
(side view)

VBOX = 1.00 ft3 (28.32 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

VBOX = 1.75 ft3 (49.56 liters)
(all sides lined with 1-inch fiberglass or fiberfill)

diameter = 4.0"

SEALED FREQUENCY RESPONSE @ 2.83 V
95 dB In-Car 12 dB LP @ 70 Hz 105 90 Out-Of-Car 85 95 100

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

Out-Of-Car 80 90

75

85

70

80

65

75

60

70

55 20 Frequency 50 100 Hz 200 500 1k

C

65 20 Frequency 50 100 Hz 200 500 1k

C

2k

2k

SEALED EXCURSION/GROUP DELAY @ 500 W
20.0 Xd mM T mSec 20 17.5 15 35

VENTED EXCURSION/GROUP DELAY @ 650 W
40 Xd mM T mSec 40 Group Delay 30

15.0

10

30

20

12.5 Group Delay 10.0

5

25

10

0

20

0

7.5 5.0

-5 -10

15 Transducer Excursion 10

-10 -20

2.5

Transducer Excursion

-15

5

-30

0.0 20 Frequency 50 100 Hz 200 500 1k

C

-20

0 20 Frequency 50 100 Hz 200 500 1k

C

-40

2k

2k

8�30 . . Infinity Technical Data