[Elecraft] KPA 1500 efficiency

[Roy]

Yes, I read the same. Lowering the PA voltage might be a bit difficult...

73,   Roy    K6XK

On 11/13/2020 8:27 AM, Howard Sherer wrote:
> Reading the display on the KPA 1500 at various RF output levels shows an
> efficiency as follows on 40M into a dummyload:
>
>
> 300W   23%
> 500W   27%
> 1000W  42%
> 1300W  48%
> 1500W  52%
> 1600W  54%
>
> Have other owners seen results like this? Do you think a firmware and menu
> item could be developed to increase the amps efficiency at lower power
> levels by lowering the voltage to the PA?
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