Posted by Wayne Parham [ 71.153.185.72 ] on May 04, 2009 at 16:47:18:

In Reply to: Re: Converting 3 Pi to 4 Pi posted by Wayne-o on May 04, 2009 at 16:31:34:

I would wholeheartedly encourage DIYers to build their own horns using fiberglass, plaster or wood. It's a lot of fun and brings great pride to the owner. They aren't hard to do, just time consuming. My suggestion would be to copy the H290 and just round-over the mouth. Make it larger to allow for the radius of the roundover and keep the rest the same. That makes an excellent horn that is suitable for use outside a baffle. Good directivity and nice smooth sound.

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