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There are currently no product reviews.
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OK?..manual is complet and helpfull... for repairing such a old and rare boombox like JVC PCM it is necessary...
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Super Anleitung. Ordentliche Auflösung. Das ganze noch in Deutsch wäre zu schön. Alle Datenblätter sind sauber Kopiert und alle Leitungswege sind sauber ausgeführt
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Thanks God for the internet and thanks for the service like this - proffessional solution on time.
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About the service it's very fast and reliable. About the manual the quality is high enough to read even the tiniest details on the wiring diagrams so you can't ask much more than that, let it alone for a manual of a product from 20 years ago. Thank you, very satisfied.
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The downloaded quality was as good as the orignial
Reference 1252w 12" Woofer � Technical Data
CAR AU DI O
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 1252w
(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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