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Puzzled by your two examples vs desired output range

Posted by Edp (A) on December 30, 2023 at 10:54:51

In Reply to: RE: Is there anything in production similar to a JBL 2220 for horn loading? posted by tomservo on December 29, 2023 at 06:24:14:

First, I'm not as experienced in horn modeling/building as direct radiators

So my puzzlement is not the model examples but the assumptions/requirements you took in generating the examples.

So the narrower range (40 to 250) had you model a very large variances in throat and compression ratio plus back chamber volume over a broader range model example (40 to 400). Are you just using the horn geometry to act as the band pass without as much need for xover

I guess another way to ask is , of your two model examples why wouldn't one recommend the broader range geometry but utilize a passive xover to limit that output to the origina posters 250 hz upper limit?

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