Horn Loaded Rall 140 15D ribbon sensitivity

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Im planning to put a raal ribbon 140-15D in a horn consider about 6 to 8 inches in depth for a small theater application.
The native sensitivity of the horn is about 95db so putting this in a horn can we expect about 104db of sensitivity?

I have checked the Jbl cinema speakers with 103db sensitivity with Tweeter power handling is about 85W which is lower than the Raal ribbon.
3732 Products | JBL Professional

So why not consider using ribbon on cinema application as I love raal ribbon but why cant we use it for theaters? You might say that theaters use very high power but if you look at the specs of 85W is what jbl uses you will be surprised how much power you actually need in small to medium sized theaters.

Raal with 200W and 95db without horn seems like a workable solution.
 
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