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High Efficiency Speaker Asylum Need speakers that can rock with just one watt? You found da place. |
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In Reply to: Re: What are the consequences of a non-optimal throat transition in a horn? posted by PK on March 20, 2007 at 12:08:54:
Hi again PeterSeeing as you already have a notch filter, adding another may not be a practical solution, and you are already in good hands with RCA Fan's help to begin with. Before you order another horn try an Edgar gap. The driver you have is bolted to the horn allowing you to add some spacers between the driver exit flange and the flange where horn throat begins. Try adding a gap with some spacers here, say about 1/4" to start, and fill the gap with some Scotchbrite scouring pad material. You can play around with the thickness of the gap and the thickness and density of the Scotchbrite which comes in different degrees of courseness like steel wool. This was discovered by Dr, Edgar and used to tame a peak in a horn loaded cone driver in one of his Speaker Builder articles. It's a low budget way to tame a peaky compression driver too. You may lose a few dB of output with this controlled leak at the throat, but it may also be able to tone down the sibilance. And you can always recycle the Scotchbrite to it's intended duties if it does'nt work.
Good luck!
Paul
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Follow Ups
- Re: Some more ideas - Paul Eizik 15:00:13 03/20/07 (1)
- Re: Some more ideas - PK 01:28:37 03/21/07 (0)
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