Robert Bonner wrote:
> You cannot have a heatsink flat enough, and the spreader thick enough. If
> you could build the whole heatsink out of copper you'd be the real stud.
> You couldn't stand the smell of the hot raw copper though. YUK.
There's always water cooling - solder some tubes onto the underside of
the heat spreader (before you do the final flattening). No need for
fancy pure water.
I've always wanted to try soldering a large coffee canister onto the
spreader, mount the amp upside down and fill the can with water. If the
diameter is large enough convection should avoid hotspots boiling.
Steve
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