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It's a grate service manuals.Have many details and the writing it's so clear.You have all you want in manual,nothing missing,belive me.I'm verry satisfied of this manual.
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Great scanned service manual
Usefull informations.
I will buy again!
Best Regards
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The manual describes this product very good. It has the basic things to know and also a more detailed look. Very well made!
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An excellent document to assist in the repair of my old personal tape player. It includes full circuit diagrams and physical layout drawings and full instructions on disassembly and fault finding.
Well worth the meagre price.
;
Very good conversation, Pretty fast Service, wood do it again,
Have paid by Paypal, so i got the Service Manual online after 15 Min.
Very helpfully.
Greeting from Germany,
Hans
Beta TwelveXdvc 12" Woofer � Technical Data
SEALED BANDPASS BOX VOLUME
Port
fo = 60 Hz length = 7.79"
NOTES
Beta TwelveXdvc
(side view) diam. = 4"
VREAR = 1.40 ft3 (39.65 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
VFRONT = 0.70 ft3 (19.82 liters)
(all sides lined with 1-inch fiberglass or fiberfill)
SEALED BANDPASS FREQUENCY RESPONSE @ 2.83 V
105 dB In-Car 12 dB LP @ 80 Hz 100
95
Out-Of-Car
90
85
80
75
70
65 20 Frequency 50 100 Hz 200 500 1k
C
2k
SEALED BANDPASS EXCURSION/GROUP DELAY @ 200 W
20.0 Xd mM T mSec 40 17.5 30
15.0
20
12.5 Group Delay 10.0
10
0
7.5
-10
5.0
-20
2.5
Transducer Excursion
-30
0.0 -40
C
-40
Ininfity Technical Data . . 8�49
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