Posted by roncla [ 64.246.12.32 ] on February 05, 2005 at 22:28:12:

In Reply to: What would a horn do for a full range 8" like a Fostex? posted by akhilesh on February 03, 2005 at 10:22:50:

Depends on the lowest frequency that you were designing for.In reality a true FR horn would be front loaded with maybe a smaller chamber on the rear (to provide two sided loading). If it was floor/wall loaded ( cant tilt it back to a great degree)and you were aiming for a true spherical wave at 50 hz then the x and y mouth axis would be 21.49". If it was just wall loaded then the min dimension for the x/y axis is 43". Thats why its so much easier to have a good LF woofer and a front horn, saves on space. I find it much easier to just use a BLH up to and around 360-380 hz and let the FR driver do its direct radiator thing.
ron

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