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In the Forum: Horn-Loaded Speakers
In the Thread: 60hz, GPA-515-8ghp horn...
Post Subject: The lower MF channelsPosted by Romy the Cat on: 7/2/2008

 jessie.dazzle wrote:
To that I would only add the following: Start saving up now for a second pair of S2s.

Yes and no. I used the second S2 for lower MF range but it is not only way to go. I would propose that any driver with large aluminum cone would be a good candidate. The ceramic S2 is good choice. The Altec 288 and up would work. There are tones of other drivers. When we think about lower knee of a compression driver we always think it in context of it’s upper knee. However in our case the S2 cares upper region. So, listing just one lover range driver (in my case it is from 600 to 1000 fist order) I have to admit that in such a narrow band path many other drivers would do. I would like to have that driver to sit in 150-180Hz exponential horn and then play with drivers, trying to load it as low and the driver/horn can handle. The good part about the lower MF channel is that it is not so critical for directivity and it might be positioned relatively offside

The Cat

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