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I love older radio's and the service manuals that are sometimes hard to find. Was able to find a manual quite easily on this site.
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Thank you for your shop manual! Your help was very useful - the device is repaired! Once again - Thank you! I wish you a successful business! Edward (Russia).
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It was a great experience,instead of purchasing a new Stereo Amplifier ,in just minutes i repaired my old one and that was thaks to the manual I have purchased from you.
Thanks again.
Samuel Alter
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Das ging ja sehr unkompliziert hat bestens geklappt und die Quallität ist auch noch gut.
Vielen Dank dafür.
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Everything okay, thanks a lot. It was a pleasure for me to make a deal with you.
GT1500d 15" Woofer � Technical Data
SEALED BANDPASS BOX VOLUME NOTES
(2) Ports
fo = 50 Hz
length = 11.96"
GT1500d
(side view) diam. = 4"
VREAR = 2.50 ft3 (70.80 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VFRONT = 1.75 ft3 (49.56 liters)
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
110 dB In-Car 12 dB LP @ 70 Hz 105
100
95 Out-Of-Car 90
85
80
75
70 20 Frequency 50 100 Hz 200 500 1k
C
2k
SEALED BANDPASS EXCURSION/GROUP DELAY @ 150 W
20.0 Xd mM T mSec 100 17.5 75
15.0
50
12.5
Group Delay
25
10.0
0
7.5
-25
5.0
Transducer Excursion
-50
2.5
-75
0.0 20 Frequency 50 100 Hz 200 500 1k
-100 2k
C
JBL Technical Data . . . . . 7�31
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