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Re: half-horn question for RCA-Fan

Posted by RCA-fan (M) on May 7, 2007 at 11:52:00

In Reply to: half-horn question for RCA-Fan posted by freddyi on April 27, 2007 at 19:22:46:

I prefer the folded vent, as it makes a clear definition from the rear chamber to the vent. Also helps in bracing. Since it is already a short horn, no end correction is required. The main problem with this design is that there is always a large suck-out between 100Hz and 200Hz.
But, you do get quite a bit of output. By making a vertical "Onken" vent, you can minimize the suck-out at the expense of some efficiency.
The Hawaii box and the hit horn show this effect.

Bill

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