Floyd Sense wrote:
> Most amps today use convection cooling. To me, radiation cooling would
> imply no airflow used and that isn't seen very often.
I would say that external anode tubes like the 3Cx800, etc. are
convection (or more precisely, forced-air) cooled, while glass-envelope
internal anode tubes like the 3-500Z are primarily radiation cooled.
The air cooling keeps the envelope and base temperature within limits,
but the anode itself is cooled by radiation.
--
73,
Vic, K2VCO
Fresno CA
http://www.qsl.net/k2vco
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