Audietech 28 inch correction addendum

Same as the 10 inch version this time just showing  the numbers. As before the lift column can be ignored, as it is meaningless in this case, the varying depression is thing to notice.

CFM    DEPRESSION   ACTUAL DEPR
Lift       No. 1         No. 1               No. 1
——–    ——-       ——-           ——-
1.27      127.1         28.00          5.01
2.54      127.2         28.00          5.98
3.81      125.6         28.00          6.99
5.08      125.8         28.00         10.04
6.35      124.8         28.00         11.18
7.62      125.3         28.00         12.12
8.89      124.9         28.00         13.36
10.16      125.4         28.00         15.61
11.43      126.1         28.00         18.15
12.70      126.1         28.00         21.23
13.97      125.8         28.00         24.87
15.24      126.7         28.00         25.88
16.51      126.6         28.00         26.63
17.78      126.8         28.00         27.06

One can see that the spread is from 124.8 to 127.2. so 2%, keeping in mind that this what while starting out at a positively wheezy 5 inch depression on to 27 inch a value that is a tad low due to a very low line voltage during testing.. aah the joys of living in the german countryside.  ( on a good day it will pull about 30′ depression)

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