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Original Message
RE: Who has experience with the C34 back loaded horn? I am considering building a pair.
Posted by Bill Fitzmaurice on September 15, 2020 at 05:10:14:
Back loaded horns have a major inherent flaw, a response dip where the front and rear waves meet 180 degrees apart. It's the major reason why they disappeared from the marketplace long ago,even in pro-sound applications. The C34 doesn't go all that low either, a reflex box will beat it.
The Danley Tapped Horn is a variation of the back loaded horn, and they suffer from that dip, but since they're used as subwoofers they're low passed below the dip frequency, which typically occurs between 150-250Hz.