High Efficiency Speaker Asylum

RE: is it ok to examine some BLH horn by converting to FLH?

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Fred

Some of your graph is chopped off, and there's no before and after for comparison. Anyway, this iteration rolls off steeply over 200 Hz, not really much different than Olson's BLH. The front and back wave have to integrate seemlessly (hopefully) with each other, like a good vented box. In a big BLH, the baffle step must be considered in the design, as in the rececently discussed Olson Modified Monster. Much of BLH design is still in the realm of "cowboy engineering" (try it and see), though this may certainly change some day as sims get more sophisticated.

I dunno if we're there yet.
Paul

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