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I'm very happy that you all are performing an incredible good job. Furthermore what you did is very useful for all people as me that have electronics as an hobby.Thank you!!!!!
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Manual found fast and good quality, very helpfull service
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8-17-12 Been using the sight for about 6 months. Fast Downloads and top quality
Manuels !
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Everything was great, the manual, the response time, the simplicity of the order, and the
Price. The only thing that I could possible say on a negative note would be that the manual I ordered was more for a service tech. There were a lot of schematic diagrams that didn't help me solve the problem. However I would order again and recommend the web sight to others.
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I'd been looking for this manual for awhile. Exactly what I needed - and at an excellant price. Thanks!
Reference 1242w 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 W PEAK 23 ~ 400 HZ 2 or 8OHMS 2.0" (51.0 MM)
SEALED BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)
Reference 1242w
(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: R EVC (OHMS) . . . . . . 1.85 VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH) . . . . . . . 1.12 DRIVER RADIATING AREA: S D (IN 2) . . . . . . . . 82.46 S D (M2) . . . . . . . 532.00 MOTOR FORCE FACTOR: BL (TM) . . . . . . . . 9.76 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: V (FT3) . . . . . . . . 3.48 VAS (LITERS) . . . . . 98.64 C MS (µM/N) . . . . 244.00 MMS (GRAMS). . . . 176.80 MMD (GRAMS) . . . 169.75 FS (HZ) . . . . . . . . 24.23 Q MS . . . . . . . . . . . 6.63 Q ES . . . . . . . . . . . 0.52 Q TS . . . . . . . . . . . . 0.48 HAG (IN) . . . . . . . . 3/8 H (MM) . . . . . . . . 9.00
AG AS
In-Car 12 dB LP @ 80 Hz
Out-Of-Car
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
HVC (IN) . . . . . . 1-11/16 HVC (MM) . . . . . . . . . . 43 X
MAX
(IN) . . . . . . . . 1/2
X MAX (MM) . . . . . . 12.50
Harman Consumer Group � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-674-4463 � www.infinitysystems.com
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