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In the Forum: Horn-Loaded Speakers
In the Thread: Macondo 2.0?
Post Subject: RAAL's ain't RAAL'sPosted by anthony on: 11/19/2022
 Romy the Cat wrote:

In my case I found that RAAL ribbon with first order can not deal with dynamics of S2 driver.


I suspect that my RAAL Lazy Ribbon does not have as much lower frequency output as your RAAL Waterdrop.  RAAL refused to build another Waterdrop so I do not know this for sure but my tweeter SPL falls away very quickly in the lower frequencies even with a first order filter.  I could not get a third or fourth order filter to work as the SPL fell away like a stone and I found it impossible to match to the S2 below it...just not enough SPL.

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