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There are currently no product reviews.
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Fully functional usable service manual. Considering the age of the manual and device quality was better than expected
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Thank you very much, I've been very happy to find this manual on "Owner Manual". It's a perfect copy and it has been really useful for my work!
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It took about 24-hours after my payment before I was able to get to the download. Apparently, payment processing is not 100% automated. That is no big deal, just be aware of that going in.
After I got to it, it was in good shape, easy to read, etc. Not some cheap FAX copy looking thing.
Also, this site was the cheapest I found. Another Plus!
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Good price, very legible manual, exactly what I needed -- but had to wait a day to actually get the download of the manual. Would have preferred to download it immediately after payment rather than waiting for someone to "process" my order. I was surprised that I had to wait that long.
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As the only source for this manual it rather rank quite high since it is well scanned and perfectly readable.
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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