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Help understanding the Rives Waterfall plots of Cathedral Sound Acoustic Panels....

We are/were having a discussion of the Cathedrals after a great user review posted on Tweakers forum of AA. Initially, Ultrasystems (Cathedral distributor) listed the "Before" and "After" waterfall plots as being done by Rives Audio, but that no longer is so in the past 2 days.

Anyway, a couple question popped up as to how to interpret the waterfall plots done by Rives on these panels. From the look of those posted on their website, it looks like the Cathedrals caused an approx. 16dB reduction in levels, across the board, from 20-200Hz.

Is this accurate?
Are the decay times nearly halved?
It was mentioned that these plots look exactly the same, just a much lower output level.

Can someone at Rives help put these waterfall plots into perspective, performance-wise?

If true, these new "Venturi effect" panels are awesome. I personally need about 8 of them, which is a lot of money, but a hell of a lot cheaper, more effective, and less intrusive than any other acoustic approach.

I've enlarged and super-imposed dotted lines to make it easier to see the comparative dB levels.



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Topic - Help understanding the Rives Waterfall plots of Cathedral Sound Acoustic Panels.... - darkmoebius 13:03:25 02/28/07 (38)
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