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excellent build Wednesday, October 21, 2009
Bill Horn from Longview, Washington
I purchased two of these, one for car and one for home, both to be used in a tapped horn, one 8 feet and the other 10 feet. Tested in 10 foot tapped horn, response -3db at 35 hz. Great! After using about a week pulled driver and ran parameter tests.
fs = 60 hz factory spec was 38
qts = .7 factory spec was .4
vas and efficiency were very close to factory spec.
I have tried a number of drivers in the tapped horn and this one is by far the best. Very nice sounding bass. Will purchase again.
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