[Elecraft] KPA500 fan noise

[Clay Autery]

"Its to bad a replacement fan for the KPA500 from Noctua can't be found
these are well engineered fans moving more air and quietly"

Is the fan in the KPA500 a 92mm fan?  Noctua makes a 92x92x25 mm fan...

______________________
Clay Autery, KY5G
MONTAC Enterprises
(318) 518-1389

On 2/12/2017 2:22 PM, Arthur Nienhouse wrote:
> */ I put a Noctua NF-A9x14 PWM  pusher fan on the inlet this helped a
> bit,with a  typical over during a cw rag chew at 28 wpm delays the
> onset of high speed by a couple of minutes depending on the temp in
> the shack.
>
> With the big fan on the back *off* my idle temp is 31c with *no* the
> helper fan, with the helper fan wired to the radio which runs when the
> radio is on the idle temp is 24 c it pushes the air from the top inlet
> through the unit and out the back. Noctua fans sit on soft silicone
> pads no vibration no sound just moves the air along through the amp.
>
> Its to bad a replacement fan for the KPA500 from Noctua can't be found
> these are well engineered fans moving more air and quietly.
>
> Regards
> ka9zap
> Art