KPA1500 temps

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KPA1500 temps

Courtney Judd-2
I love my KPA1500 but I am somewhat concerned with the temp indicated on
the readout. Doing RTTY I get a 80C reading and loud fan which I think
is high. I also have a small probe on the top vent which shows 120 deg F
exhaust temp which is not bad. Should I be concerned here? I am also a
big fan of external fans. My previous amps all had external fans which
helped.... thinking about putting several small fans along the bottom
front and maybe on the top vent to aid in moving exhaust air away. Good
or bad idea? Any ideas or thoughts would be appreciated. Thanks 73's
Cort K4WI
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Re: KPA1500 temps

Eric Swartz - WA6HHQ, Elecraft
Administrator
Hi Cort,

This is totally normal for the amp in high duty cycle carrier modes like RTTY. 
Also, it will automatically protect itself with margin if the temp at the PA
transistors gets too high.

73,
Eric
/elecraft.com/

On 3/26/2019 10:18 AM, Courtney Judd wrote:

> I love my KPA1500 but I am somewhat concerned with the temp indicated on
> the readout. Doing RTTY I get a 80C reading and loud fan which I think
> is high. I also have a small probe on the top vent which shows 120 deg F
> exhaust temp which is not bad. Should I be concerned here? I am also a
> big fan of external fans. My previous amps all had external fans which
> helped.... thinking about putting several small fans along the bottom
> front and maybe on the top vent to aid in moving exhaust air away. Good
> or bad idea? Any ideas or thoughts would be appreciated. Thanks 73's
> Cort K4WI
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html

______________________________________________________________
Elecraft mailing list
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

This list hosted by: http://www.qsl.net
Please help support this email list: http://www.qsl.net/donate.html