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Experience with applying Kilmat to Cornwall IV Horns?

I have a new set of Cornwall IV's. I came across a few videos that showed the application of Kilmat sound deadening material to the back of the Midrange and Tweeter cones to improve SQ and "soften"  the (sometimes and rare higher volume) high end from the horns. Curious if any if the wise Audiophiles on this forum I have grown to trust have any personal experience with the SQ results of this upgrade, or if its not a benefit. 

Overall I am thrilled with the SQ of these speakers, but always looking for any feedback or improvements to my system. 

If it matters, I am currently running with an Innous Zen Mk3 / Denafrips Pontus II and Luxman L-509X 

Thank You!!

carzmaguy88
jtgofish's avatar
jtgofish
517 posts
 

I tried damping the horns on my Klipsch and it made them sound worse.If you do it make sure it is easy to reverse.Try blu tac.

stereo5's avatar
stereo5
6,573 posts
 

I would let the speakers thoroughly break in before screwing around with the speakers' innards.  I would think that if the speakers really needed the damping, Klipsch would have already done it.  Just because a few clowns made You Tube videos, does not mean it is a good thing.

wrm57
1,092 posts
 

I covered the midrange horn, tweeter horn, woofer frames, and ports in my CW4 with Dynamat Extreme. I like the result. I also upgraded the resistors, most of the caps, and the binding posts at the same time, so I cannot pinpoint the contributions made by the Dynamat. But I can say the mods, taken together, brought these speaker to a much higher level.

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