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I used for first time this the wheat and am very thanked
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This manual was exactly what i needed and could not find elsewhere. Price is not too high. Great !
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ecelent I was reciver the service manual soon I fell so happy very complete 100% positive all by this store tanks atte Luis salazar
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A great copy of the manual, and the only one I could find anywhere on the net! The circuit diagrams are easily readable, all component values marked and easy to see. A highly appreciated download!
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Great Manual. This manual is available no where else. It was exactly what I was looking for.
Reference 1211w 12" Woofer � Technical Data
SEALED BOX VOLUME VENTED BOX VOLUME
length = 8.11"
Port
fo = 35 Hz
Reference 1211w
(side view)
Reference 1211w
(side view)
VBOX = 1.50 ft3 (42.48 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VBOX = 2.00 ft3 (56.64 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
diameter = 4.0"
SEALED FREQUENCY RESPONSE @ 2.83 V
100 dB 100 In-Car 12 dB LP @ 70 Hz 95 95
VENTED FREQUENCY RESPONSE @ 2.83 V
dB In-Car 12 dB LP @ 80 Hz
90 Out-Of-Car 85
90 Out-Of-Car 85
80
80
75
75
70
70
65
65
60 20 Frequency 50 100 Hz 200 500 1k
C
60 20 Frequency 50 100 Hz 200 500 1k
C
2k
2k
SEALED EXCURSION/GROUP DELAY @ 250 W
20.0 Xd mM T mSec 20 40 17.5 15 35
VENTED EXCURSION/GROUP DELAY @ 300 W
Xd mM T mSec 40 30 Group Delay
15.0 Group Delay 12.5
10
30
20
5
25
10
10.0
0
20
0
7.5 Transducer Excursion 5.0
-5
15 Transducer Excursion
-10
-10
10
-20
2.5
-15
5
-30
0.0 20 Frequency 50 100 Hz 200 500 1k
C
-20
0 20 Frequency 50 100 Hz 200 500 1k
C
-40
2k
2k
Ininfity Technical Data . . . 8�9
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