Kappa Perfect12 12" Woofer – Technical Data SPECIFICATIONS DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:

IMPEDANCE CURVE 12" (304.8 MM) 96 dB (IN-CAR @ 40 HZ) 350 WRMS (1,400 WPEAK) 18 ~ 150 HZ 4 OHMS 2.0" (50.8 MM)

100.0 Ohms

30.0

10.0

3.0

mounting depth 6.50" (165.10 mm)

1.0 20 Frequency

100 Hz

200

500

1k

2k

INFINITE BAFFLE FREQUENCY RESPONSE @ 2.83 V

cutout diameter 10.87" (276.10 mm) outer diameter 12.19" (309.56 mm)

50

100

dB In-Car 12 dB LP @ 90 Hz

95

THIELE-SMALL PARAMETERS

90 Out-Of-Car

VOICE COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 4.00 VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (M H). . . . . . . . 3.05 S D (IN 2) . . . . . . . . 81.94 DRIVER RADIATING AREA: S D (CM2). . . . . . . 531.00 B L (TM) . . . . . . . . 16.90 MOTOR FORCE FACTOR: VAS (FT3). . . . . . . . . 3.53 COMPLIANCE VOLUME: VAS (LITERS). . . . . . 83.28 C MS (µM/N) . . . . 208.00 SUSPENSION COMPLIANCE: MMS (GRAMS) . . . . 224.00 MOVING MASS, AIR LOAD: MOVING MASS, DIAPHRAGM: MMD (GRAMS). . . . 216.96 FS (HZ) . . . . . . . . 23.32 FREE-AIR RESONANCE: Q MS . . . . . . . . . . . 10.28 MECHANICAL Q: Q ES . . . . . . . . . . . . 0.46 ELECTRICAL Q: Q TS . . . . . . . . . . . . 0.44 TOTAL Q: HAG (IN) . . . . . . . . . 0.39 MAGNETIC-GAP HEIGHT: HAG (MM) . . . . . . . . 9.80 HVC (IN) . . . . . . . . . 1.50 VOICE-COIL HEIGHT: HVC (MM) . . . . . . . 38.10 X MAX (IN) . . . . . . . . 0.56 MAXIMUM EXCURSION: X MAX (MM). . . . . . . 14.15

85

70

65

60

55

50

C

20 Frequency

50

100 Hz

200

500

1k

2k

INFINITE BAFFLE EXCURSION/GROUP DELAY @ 250 W 20.0

T mSec

Xd mM

20

17.5

15

15.0

10

5

12.5 Group Delay 10.0

0

7.5

-5

5.0

-10

-15

2.5 Transducer Excursion 0.0

C

20

Frequency

50

100 Hz

200

500

1k

2k

Ininfity Technical Data . . 8•29

-20

Kappa Perfect12 12" Woofer – Technical Data VENTED BOX VOLUME

SEALED BOX VOLUME

length = 12.33"

Kappa Perfect12

Kappa Perfect12

(side view)

(side view)

3

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

3

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

SEALED FREQUENCY RESPONSE @ 2.83 V 95

dB

Port fo = 32 Hz

diameter = 4.0"

VENTED FREQUENCY RESPONSE @ 2.83 V

In-Car 12 dB LP @ 70 Hz

105

dB In-Car 12 dB LP @ 80 Hz

100

90 Out-Of-Car 85

95

80

90

75

85

70

80

65

75

60

70

Out-Of-Car

55

65

C

20 Frequency

50

100 Hz

200

500

1k

SEALED EXCURSION/GROUP DELAY @ 500 W

Frequency

50

100 Hz

200

500

1k

2k

VENTED EXCURSION/GROUP DELAY @ 650 W T mSec

Xd mM

C

20

2k

T mSec

Xd mM

40

20

40

17.5

15

35

15.0

10

30

20

5

25

10

10.0

0

20

0

7.5

-5

15

20.0

12.5

30

Group Delay

Group Delay

-10 Transducer Excursion

5.0

2.5

Transducer Excursion

0.0

C

20

Frequency

50

100 Hz

200

8•30 . . Infinity Technical Data

500

1k

2k

-10

10

-20

-15

5

-30

-20

0

C

20

Frequency

50

100 Hz

200

500

1k

2k

-40

Kappa Perfect12 12" Woofer – Technical Data SEALED BANDPASS BOX VOLUME

NOTES

Port fo = 40 Hz

length = 10.70"

Kappa Perfect12 (side view)

diam. = 4"

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

VFRONT = 1.25 ft3 (35.40 liters) (all sides lined with 1-inch fiberglass or fiberfill)

SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V 105

dB In-Car 12 dB LP @ 70 Hz

100

95 Out-Of-Car 90

85

80

75

70

65

C

20

Frequency

50

100 Hz

200

500

1k

2k

SEALED BANDPASS EXCURSION/GROUP DELAY @ 350 W 20.0

T mSec

Xd mM

100

17.5

75

15.0

50

12.5

25 Group Delay

10.0

0

7.5

-25

-50

5.0 Transducer Excursion

-75

2.5

0.0

-100 2k C

20

Frequency

50

100 Hz

200

500

1k

Ininfity Technical Data . . 8•31