HARMAN KARDON REFERENCE1240W
Manual de Servicio

Reference 1240w 12" Woofer � Technical Data
CAR AUDIO

SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 5-1/16" (129 mm)

12" (300MM) 93 dB 300 WRMS 1200 WPEAK 23 ~ 400 HZ 4 OHMS 2.0" (51.0 MM)

SEALED BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)

Reference 1240w
(side view)

VBOX = 1.25 ft3 (35.40 liters)

cutout diameter 11-3/16" (284mm) outer diameter 12-7/16" (316mm)

SEALED ENCLOSURE FREQUENCY RESPONSE @ 2.83 V
105 dBSPL 100 95 90 85 80 75 70 65 60 55 20 Hz 30 40 50 60 70 80 90 100 200 300

THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: DRIVER RADIATING AREA: MOTOR FORCE FACTOR: COMPLIANCE VOLUME: SUSPENSION COMPLIANCE: MOVING MASS, AIR LOAD: MOVING MASS, DIAPHRAGM: FREE-AIR RESONANCE: MECHANICAL Q: ELECTRICAL Q: TOTAL Q: MAGNETIC-GAP HEIGHT: VOICE-COIL HEIGHT: MAXIMUM EXCURSION: R EVC (OHMS) . . . . . . 3.40 S D (IN 2) . . . . . . . . 82.46 S D (M ) . . . . . . . 532.00
2

In-Car 12 dB LP @ 80 Hz

Out-Of-Car

VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH) . . . . . . . 2.54

BL (TM) . . . . . . . . 14.24 VAS (FT3) . . . . . . . . 3.00 VAS (LITERS) . . . . . 84.40 C MS (µM/N) . . . . 210.00 MMS (GRAMS). . . . 187.60 MMD (GRAMS) . . . 180.60 FS (HZ) . . . . . . . . 25.40 Q MS . . . . . . . . . . . 7.62 Q ES . . . . . . . . . . . 0.50 Q TS . . . . . . . . . . . . 0.47 HAG (IN) . . . . . . . . 3/8 HAG (MM) . . . . . . . . 9.00 HVC (IN) .. . . . . . . . 1-1/4 HVC (MM) . . . . . . . . . . 32 X
MAX

SEALED ENCLOSURE CONE EXCURSION @ 300 W
30m M 20m 10m 5m 2m 1m 500u 200u 100u 50u 20u 10u 5u 20 Hz 30 40 50 60 70 80 90 100 200 300

(IN) . . . . . . . . 7/16

X MAX (MM) . . . . . . 11.50
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