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In Reply to: Troubling comment from Mike Sanders (Quicksilver Audio) posted by audiophile121 on August 31, 2005 at 11:52:56:
Who would ever place a circuit board in the line of fire? That's just dumb. I wouldn't trust someone spreading disinformation like this to me. I have a circuit board in my Dynaco Stereo 70 II and it sounds just fine and works just fine too.
Follow Ups:
the heat will spread in all directions.For all folks who aren't technically inclined, you will love point to point when some ham handed techic melts a trace on an expensive circuit board that is no longer in production! You should see my amp - looks like he used a blow torch to change a small bias resistor! :-(
You learn something new every day. So hot air rises but heat spreads equally in every direction. Now I know.
...of high-quality tubed equipment. Heat does rise, but even the chassis bottoms of tubed amps get quite warm after a few hours. The circuit boards are attached to the tubes; they get LOTS hotter.I'm glad you've not had problems with your amp's circuit boards. I've seen a few burned from hot-but-still-operating resistors.
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