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Re: Wood hf horn. [message #49318 is a reply to message #49317]

Fri, 14 April 2006 10:38

dB
Messages: 234
Registered: May 2009

Master

Hi,
After paying attention (and learning from it) to some of the work done by Wayne (and others) I found a very interesting Patent (#4,469,921) from Kinoshita, 1984, with a "similar" horn design.
<<Sectoral horn with side walls linear and opening degree or angle of the horn adjusted by the upper and lower curved walls>>

The interest of this is that it explains how a type ""shelf"" frequency response of the horn becomes flat and directivity is improved in the necessary frequency band. With a two angle throat for different frequencies.
Nice.

Horn type loudspeaker - US Patent 4469921

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[Message index]

		Wood hf horn. By: Paul Holland on Tue, 11 April 2006 04:21
		Re: Wood hf horn. By: Wayne Parham on Tue, 11 April 2006 07:33
		Re: Wood hf horn. By: Paul Holland on Wed, 12 April 2006 05:32
		You've got mail! By: Wayne Parham on Wed, 12 April 2006 10:31
		Re: You've got mail! By: dB on Wed, 12 April 2006 14:29
		Thanks for the info. (nt) By: Paul Holland on Sat, 15 April 2006 19:48
		Re: Wood hf horn. By: FredT on Thu, 13 April 2006 19:54
		Re: Wood hf horn. By: Wayne Parham on Thu, 13 April 2006 21:30
		Re: Wood hf horn. By: dB on Fri, 14 April 2006 10:38
		Re: Another horn. By: dB on Sat, 15 April 2006 07:46
		Re: Another horn. By: Wayne Parham on Sat, 15 April 2006 09:39
		Re: Wood hf horn. By: FredT on Mon, 17 April 2006 14:35
		Re: Wood hf horn. By: Wayne Parham on Mon, 17 April 2006 14:52

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