Hi Mike!,
You are of course correct, and there is no reason not to do so when
operating fixed near AC power. Usually the situation where people do
not use fans is when they are operating portable and don't want to waste
the power or have extra stuff to pack/set up. This is the reason our
heatsinks are optimized for convective cooling, but they can show
extreme cooling gains when using forced cooling.
The reason we do not rate them with forced cooling is because the air
temperature and speed are uncontrolled variables unlikely to be
duplicated by users, whereas rating them for full convective cooling is
much more conservative.
Cheers & 73,
Howie - WA4PSC
www.proaudioeng.com
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