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In the Forum: Horn-Loaded Speakers
In the Thread: Problems with horns: upper bass
Post Subject: Must it be about loading?Posted by AllenB on: 7/8/2011
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I use a direct radiator monopole for below 650Hz, this is OK and I have it working well. I think that I want to control directivity so that I can stop floor/ceiling comb filtering which gives me problems of +/-6dB and more. Now I am using extra monopoles to cancel the reflections but I don't like this.

My woofer does not have a high efficiency/bandwidth product so I have not thought about horn loading it. I thought I would use a 1:1 compression ratio (it is a 15" driver) and a conical horn only for directivity, like a waveguide. I don't need to control reflections much below 200Hz so I don't think I care if it becomes a direct radiator below there. I would just design for the right polar match at the upper crossover.

I would like to know why you think this is a bad idea?

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