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Doubted for buy this manual as it is my first order here and at not have cover image, I assumed would haven't. However, within 24 hs, already possessed the link to download it. The manual are scanned correctly and have all what is needed. Includes adjustments and diagrams of all circuits. Very satisfied.
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Really good quality, аll readable.! Wonderful work shop. I recommend to all!
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Good quality service manual.The scheme is on A3 format and very readable.Thank you
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Very good service-manual with clear electrical diagrams. Thanks you.
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the manual is in quite good quality and it's in pdf. manual was send in less then 6h.
GT1241D 12" Woofer � Technical Data
SPECIFICATIONS
DIAMETER: SENSITIVITY (2.83 V @ 1 M): POWER HANDLING: FREQUENCY RESPONSE: NOMINAL IMPEDANCE: VOICE-COIL DIAMETER: DIMENSIONS:
mounting depth 6.00" (152.00 mm)
12" (304.8 MM) 93 dB 300 WRMS 18 ~ 500 HZ 4 OHMS (PER COIL) 2.0" (50.7 MM)
SEALED BOX VOLUME (INCLUDES DRIVER DISPLACEMENT)
GT1241D
(side view)
VBOX = 1.25 ft3 (35.40 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
cutout diameter 11.125" (283.00 mm) outer diameter 12.00" (304.80 mm)
SEALED FREQUENCY RESPONSE @ 2.83 V
100 dB In-Car 12 dB LP @ 80 Hz 95
THIELE-SMALL PARAMETERS*
VOICE COIL DC RESISTANCE: R
EVC
90 85
Out-Of-Car
(OHMS) . . . . . . 1.92
VOICE COIL INDUCTANCE @ 1 KHZ: L EVC (MH) . . . . . . . 1.33 DRIVER RADIATING AREA: S D (IN 2) . . . . . . . . 82.46 S D (CM2) . . . . . . 532.00 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: BL (TM) . . . . . . . . . 9.09 VAS (FT3) . . . . . . . . 5.17 VAS (LITERS) . . . . 146.33 C MS (µM/N) . . . . 354.09 MMS (GRAMS). . . . 143.74 MMD (GRAMS) . . . 136.69 FS (HZ) . . . . . . . . 22.00 Q MS . . . . . . . . . . . 8.35 Q ES . . . . . . . . . . . . 0.46 Q TS . . . . . . . . . . . . 0.44 H (IN) . . . . . . . . . 0.31
AG
80 75
70 65
60
C
20
Frequency
50
100 Hz
200
500
1k
2k
SEALED EXCURSION/GROUP DELAY @ 300 W
20.0 17.5 Xd mM T mSec 10.0 7.5
15.0
5.0
12.5
Group Delay
2.5
HAG (MM) . . . . . . . . 7.92 HVC (IN) . . . . . . . . . 1.25 HVC (MM) . . . . . . . 31.75 X MAX (IN) . . . . . . . .0.47 X MAX (MM) . . . . . . 11.91 *VOICE COILS CONNECTED IN PARALLEL
10.0 7.5 5.0 Transducer Excursion 2.5
0.0 -2.5 -5.0 -7.5
0.0
20
Frequency
50
100 Hz
200
500
1k
-10.0 2k
C
Harman Consumer Group � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.jbl.com
 $4.99 GT1241D 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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