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Frugel-Horn Mk3 Builds & Build Questions
Frugel-Horn Mk3 Builds & Build Questions
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Old 3rd February 2021, 10:53 AM   #1551
Scottmoose is offline Scottmoose  United Kingdom
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It is mass loading. Period. Unfortunately, in this instance it's mass loading in the wrong place to avoid problems (I know, I looked at it out of interest a decade ago when I had an idle moment).

I'm not sure I follow the query regarding 'extending the horn section', since there are no horn sections in FH3; it's a tapped horn (aka chamberless horn or Voigt horn if you prefer) with a hypex expansion profile and a brief restriction at a fixed point along the expansion to provide a low-pass filter -a technique pioneered by Olson but often overlooked. The size of drive unit that can be used is limited by both its physical width, and the total horn size since most larger units tend to need a larger horn, especially if you're trying to take them low or you will simply end up with a chronic lack of gain. That was one of the problems in the original FH & the Buschorn it was based on.
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Last edited by Scottmoose; 3rd February 2021 at 11:02 AM.
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