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Opinions & experiences with tube coolers

Over the years, I have used products from Mapleshade Audio and other sources for conducting heat away from the tube envelope. Their full-length brass body placed over the tube and then adjusted, claims to have damped vibration as well as cool the tube surface directly. Pearl tube coolers are inexpensive, and I wonder if they do any sort of shielding as well. Taking unneeded heat away from the tube makes good sense to me, but does it provide other benefits?

128x1284krowme

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4krowme OP
542 posts
 

I DO appreciate the responses. Actually, I thought that there would be an abundance of those who felt that cooler is better, at least in the longevity of the tube itself. Of course, I also want to ask about the older tube shields back in the day. I know that they are not common as they seemed to be back then, but would they have an effect on tube life, keeping heat in? I value your responses and look forward to them. 

 

 Merry Christmas ALL!

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