Barry,
If you've connected your KPA1500 to ethernet/WiFI, you can display the
amplifier's input watts, outputs watts, and efficiency in real time as
you vary power levels.
Download the freeware app FANticipator here:
https://hamprojects.info/fanticipator-kpa1500-console-and-fan-controller/
Free. Easy install. No registration. Use it once (or more) and throw it
away.
-larry (K8UT)
------ Original Message ------
From: [email protected]
To: [email protected]
Sent: 2021-09-14 21:35:15
Subject: Re: [Elecraft] KPA1500 Power Level
There is some information on KPA1500 efficiency in the archives:
http://mailman.qth.net/pipermail/elecraft/2018-August/259502.html
John KK9A
Barry Simpson vk2bj wrote:
I have had a quick look through the KPA1500 manual and could not find any
reference to running the amplifier at a lower power level than the rated
1,500w.
Can anyone comment on the implications (eg temperature, efficiency and IMD)
of running a KPA1500 at say 500w by simply reducing the drive power.
Would the power level be stable if set to 500w or would it drift upwards or
downwards during the course of an over on CW ?
Thanks
Barry Simpson VK2BJ
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