Kappa® 122.7w 12" Woofer – Technical Data

1m. 2m. 5m. 10m. 20m. 30m. 20Hz. 30. 40. 50. 60 70 80 90 100. 200. 300. Infinity Systems • 250 Crossways Park Drive • Woodbury, NY 11797 • 516.496.3400 ...
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Kappa 122.7w 12" Woofer – Technical Data ®

SPECIFICATIONS DIAMETER: SENSITIVITY (2.83V @ 1M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:

SEALED-ENCLOSURE VOLUME (INCLUDES DRIVER DISPLACEMENT)

12" (300MM) 92dB 350WRMS (1,400WPEAK) 23 ~ 400HZ 1 or 4 OHMS 3" (76.2MM)

Kappa 122.7w (side view)

VBOX = 1.00 ft3 (28.32 liters)

mounting depth 5" (127mm)

(stuffed with loosely filled fiberfill)

SEALED-ENCLOSURE FREQUENCY RESPONSE @ 2.83V

cutout diameter 11-1/8" (283mm) outer diameter 12-7/16" (316mm)

115

dBSPL In-Car 12dB LP @ 80Hz

110

THIELE-SMALL PARAMETERS

105 100

VOICE-COIL DC RESISTANCE: R EVC (OHMS) . . . . . . 1.00 VOICE-COIL INDUCTANCE @ 1KHZ: L EVC (M H). . . . . . . . 0.76 S D (IN 2) . . . . . . . . 82.15 DRIVER RADIATING AREA: S D (CM2) . . . . . . . 530.00 B L (TM) . . . . . . . . . 8.52 MOTOR FORCE FACTOR: VAS (FT3) . . . . . . . . . 3.47 COMPLIANCE VOLUME: VAS (LITERS). . . . . . 98.30 C MS (µM/N) . . . . 245.00 SUSPENSION COMPLIANCE: MMS (GRAMS). . . . 243.00 MOVING MASS, AIR LOAD: MOVING MASS, DIAPHRAGM: MMD (GRAMS). . . . 236.00 FS (HZ). . . . . . . . . 20.60 FREE-AIR RESONANCE: Q MS . . . . . . . . . . . . 7.35 MECHANICAL Q: Q ES . . . . . . . . . . . . 0.49 ELECTRICAL Q: Q TS . . . . . . . . . . . 0.456 TOTAL Q: HAG (IN) . . . . . . . . . 5/16 MAGNETIC-GAP HEIGHT: HAG (MM) . . . . . . . . 8.00 HVC (IN) . . . . . . . . 1-1/2 VOICE-COIL HEIGHT: HVC (MM) . . . . . . . 32.00 X MAX (IN) . . . . . . . . . 1/2 MAXIMUM EXCURSION: X MAX (MM) . . . . . . 12.00

95 Out-of-Car

90 85 80 75 70 65 20Hz

30

40

50

60

70 80 90 100

200

300

SEALED-ENCLOSURE TRANSDUCER EXCURSION @ 350W 30m M 20m 10m 5m 2m 1m 500u 200u 100u 50u 20u 10u 5u 20Hz

30

40

50

60

70 80 90 100

Infinity Systems • 250 Crossways Park Drive • Woodbury, NY 11797 • 516.496.3400 • www.infinitysystems.com •

200

300

Kappa 122.7w 12" Woofer – Technical Data ®

BAND-PASS-ENCLOSURE VOLUME (INCLUDES DRIVER DISPLACEMENT)

VENTED-ENCLOSURE VOLUME (INCLUDES DRIVER DISPLACEMENT)

length = 12.26" (312mm)

Kappa 122.7w

Port length = fo= 50Hz 9.71" (247mm)

Port fo = 30Hz

Kappa 122.7w

(side view)

diam. = 4" (102mm)

(side view)

VBOX =

2.00 ft3 (56.64 liters)

diameter = 4" (102mm)

VREAR = 1.30 ft3 (36.82 liters)

(stuffed with loosely filled fiberfill)

(stuffed with loosely packed fiberfill)

VENTED-ENCLOSURE FREQUENCY RESPONSE @ 2.83V dBSPL

(stuffed with loosely packed fiberfill)

BAND-PASS-ENCLOSURE FREQUENCY RESPONSE @ 2.83V

110

115 dBSPL In-Car 110 12dB LP @ 80Hz

105

105

115

VFRONT = 0.86 ft3 (24.36 liters)

In-Car 12dB LP @ 80Hz

100

100 Out-of-Car

95

95 Out-of-Car

90

90

85

85

80

80

75

75

70

70 65

65 20Hz

30

40

50

60

70 80 90 100

200

20Hz

300

VENTED-ENCLOSURE TRANSDUCER EXCURSION @ 350W

30

40

50

60

70 80 90 100

200

300

BAND-PASS-ENCLOSURE TRANSDUCER EXCURSION @ 350W

30m M 20m

30m 20m

10m

10m

5m

5m

2m

2m

1m

1m

500u

500u

200u

200u

100u

100u

50u

50u

20u

20u

10u

10u

M

5u

5u 20Hz

30

40

50

60

70 80 90 100

200

300

20Hz

30

40

50

60

70 80 90 100

Infinity Systems • 250 Crossways Park Drive • Woodbury, NY 11797 • 516.496.3400 • www.infinitysystems.com •

200

300