[Elecraft] KPA 500 Power Amp.

[Rick NK7I]

Why not?

I use the KPA1500 on 60M, at ~3 watts from the K4 to get the legal 100 W output (plus or minus antenna gain/loss).

So I’m not running full bore on the driver, no part works hard; but it’s not efficient (so what, power is cheap here).

I do the same on 30M (200 watt US output limit), with a little more drive.

73,
Rick nk7i

> On Dec 24, 2024, at 1:32 PM, jerry <jerry at tr2.com> wrote:
> 
> Why use it on 60M?  Legal limit is 100W ERP on that band.
> 
>                - Jerry, KF6VB
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