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El manual esta muy detallado, los numeros de partes y los esquemas de despiece son correctísimos y muy claros, tanto para los técnicos experimentados como para los novatos.
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Ottima qualità grafica e completo nelle notizie. Costo abbastanza contenuto.
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Great and quick support. The maual was exactly what I was looking for and my problem
solved. Many thanks.
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Very good service Within one day i received a pdf of the users manual and electric circuits so I was able to measure the different voltages in the printed circuit and find out the fault Payment was also reliable and easy.Without the manual i could not have repaired.So thanks to "Search for a manual"
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you are doing great job guys.....my father ask me to find out the schematics of Sony KV25R1D to sort out the problem ..(he was electrical technician, and excperianced with TV and simillar stuff). finally he found the cause and change all necessary parts....now he has got working old dog..and is very happy!!... thank you all.. NB..he also saved the repair cost.
GT120d 12" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 6.25" (158.75 mm)
12" (304.8 MM) 93 dB 250 WRMS (1,000 WPEAK) 23 ~ 450 HZ 4 OHMS 2.0" (50.8 MM)
SEALED BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)
GT120d
(side view)
VBOX = 1.00 ft3 (28.32 liters)
(stuffed with loosely-packed fiberfill)
cutout diameter 11.125" (283.00 mm) outer diameter 12.25" (311.15 mm)
SEALED FREQUENCY RESPONSE @ 2.83 V
100 dB In-Car 12 dB LP @ 80 Hz 90 Out-Of-Car
THIELE-SMALL PARAMETERS
VOICE COIL DC RESISTANCE: R
EVC
80 70
(OHMS) . . . . . . 3.56
VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH) . . . . . . . 2.54 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: S D (IN 2) . . . . . . . . 82.31 S D (CM2) . . . . . . 531.00 BL (TM) . . . . . . . . 14.78 VAS (FT3) . . . . . . . . 3.22 VAS (LITERS) . . . . . 91.12 C MS (µM/N) . . . . 227.58 MMS (GRAMS). . . . 181.74 MMD (GRAMS) . . . 174.70 FS (HZ) . . . . . . . . 24.75 Q MS . . . . . . . . . . . 6.46 Q ES . . . . . . . . . . . . 0.46 Q TS . . . . . . . . . . . . 0.43 HAG (IN) . . . . . . . . . 1.30 HAG (MM) . . . . . . . 33.00 H (IN) . . . . . . . . . 0.31
VC
60 50 40
30
C
20 20 Frequency 50 100 Hz 200 500 1k
2k
SEALED TRANSDUCER EXCURSION @ 300 W
20.0 Xd mM 17.5 15.0
12.5
10.0
7.5
HVC (MM) . . . . . . . . 8.00 X MAX (IN) . . . . . . . . 0.49 X MAX (MM) . . . . . . 12.50
5.0 2.5 0.0 20 Frequency 50 100 Hz 200 500 1k
C
2k
JBL Consumer Products � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.jbl.com
$4.99 GT120D JBL Owner's Manual Complete owner's manual in digital format. The manual will be available for download as PDF file aft…
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