On 4/25/2022 4:15 AM, Andy Durbin wrote:
My test data showed no significant advantage in temperature control over just
letting KPA 500 decide when to run the fan.
Neighbor K6XX, a serious contester and the Elecraft engineer responsible
for putting both of their amps into production, advised me to use the
default settings for fan control, letting the firmware deal with thermal
issues. Bob knows that I do a LOT with WSJT modes on 6M during the
summer. He also advised me to turn off the amp when not in use, noting
that fans have the lowest MTBF of any parts in the amps, thanks in part
to the accumulation of dust.
73, Jim K9YC
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