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good and ok, very nice , good and ok, very nice, good and ok, very nice
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Super manual it contains all the things you need to service your Marantz 2100.
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A very easy to understand and use manual. Well worth the money.
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Very good information with clear drawings. Thanks!
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The ease of this purchase was a good start. The content of this manual was exactly all I needed to retore my Tandberg 64.
All of the mechanical and electrical information is contained in the manual and the quality of the document makes reading the data easy.
The exerience with the resource has made this my prime source for technical data.
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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