Autotech.pl

Here you can find elliptical waveguide prototype discussion: http://www.avsforum.com/avs-vb/showpost.php?p=19675730&;postcount=668

Yes this is 350Hz JMLC with a full rollback for 1", 1.4 and 2".

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So far I have made big horns starting from 30cm to 1 meter (mouth diameter). I'm thinking about something smaller for Klipsch. Here is my proposal with controlled directivity. To make a mold I need some interest from DIYers.