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In Reply to: RE: One More Thought posted by KanedaK on June 06, 2017 at 10:29:21
Ah, I see. Yes, taking a compression driver down to 150 Hz is not a good idea, unless you enjoy replacing diaphragms.
This actually gets to one of the basic problems with such speaker systems. A 12" or 15" woofer should not be running up to 500 or 1000 Hz. Too much mass, and, the transition from it to the midrange driver doesn't match well dispersion-wise, resulting in acoustical problems with the reverberant sound field.
I have Altec 9846-a. Horn is 511-b and the woofer is 411b crossed over at 500Hz. Beautiful integration of both. Horn and the woofer are so close to each other, 9846 is considered a point source acoustically.
It depends on the woofer and the horn. A pretty good assumption, generally, but there are exceptions that can be measured and simulated.
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