Posted by Wayne Parham [ 70.234.137.192 ] on January 14, 2008 at 14:31:24:

In Reply to: Re: Impedance rise in horns posted by Bill Wassilak on January 14, 2008 at 12:32:26:

I agree about checking into bandpass boxes. They might be smaller and could provide the SPL needed. On the other hand, if he doesn't need a large duct area then 5.5 feet could be folded into a pretty compact box. Could be six one way and half a dozen the other on overall cabinet size. Definitely couldn't get a real basshorn down to size but maybe a one note tuned pipe could be made pretty small. I think it would be worth looking at both options, Helmholtz resonators and quarter-wave pipes.

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