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5 stars on this manual since it is the complete version, not the half manual you find free for download all over the web. Good job.
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Thank you very much you are helping me a lot with my preferred hobby!!! this manual of an old TV is going to be very helpful!!!!
You are very honest competent great job very clear and well done!!!!
Matteo
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An excellent service manual contains dismantling locations of components, electronic adjustments,worth the money.
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Caracteristiques,circuit adjusment,notes on schematis diagram,it's a good service manual,to live well,thanks.
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Service Manual in good quality, with all of the pages.
GT1241 12" Woofer � Technical Data
VENTED BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS) SEALED BANDPASS BOX VOLUME (INCLUDES DRIVER/PORT DISPLACEMENTS)
length = 8.00"
Port
fo = 35.0 Hz
(2) Ports
fo = 55.0 Hz
length = 9.00"
GT1241
(side view)
GT1241
(side view)
diam. = 4"
VBOX = 2.00 ft3 (56.64 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
diameter = 4"
V
REAR (all sides lined with 1-inch fiberglass or fiberfill)
= 2.00 ft3 (56.64 liters)
V
FRONT
= 1.50 ft3 (42.48 liters)
VENTED FREQUENCY RESPONSE @ 2.83 V
105 100 dB In-Car 12 dB LP @ 75 Hz 100
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 65 Hz
95 Out-Of-Car 90
95 Out-Of-Car 90
85
85
80
80
75
75
70
70
65 20 Frequency 50 100 Hz 200 500 1k
C
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
VENTED EXCURSION/GROUP DELAY @ 300 W
40 Xd mM T mSec 20 20.0 35 15 17.5
SEALED BANDPASS EXCURSION/GROUP DELAY @ 250 W
Xd mM T mSec 20 15
30
10
15.0 Group Delay
10
25 Group Delay 20
5
12.5
5
0
10.0
0
15
-5
7.5 Transducer Excursion
-5
10
-10
5.0
-10
5
Transducer Excursion
-15
2.5
-15
0 20 Frequency 50 100 Hz 200 500 1k
C
-20
0.0 20 Frequency 50 100 Hz 200 500 1k
C
-20
2k
2k
Harman Consumer Group � 250 Crossways Park Drive � Woodbury, NY 11797 � VOICE: 516-496-3400 � FAX: 516-496-4868 � www.jbl.com
 $4.99 GT1241 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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