What's your grid current with the key down?
On Mon, Jul 28, 2025, 5:52 PM Tom Osborne Sr. <w7why1@gmail.com> wrote:
> HI All
>
> I just retubed my 811H with a new set of 811a's. After doing that, I am
> still not getting any output like I should. The antenna is tuned on
> frequency, but when I switch the amp on. the output power stays the same.
> Thought maybe the watt meter was reading wrong, but checked it with another
> one and the same thing.
>
> There is about 1.3kv when key down, and the meter reads about 450ma, but
> the watt meter reads about 50 watts, and I am driving the amp with about 60
> watts. Scratching my head on this one.The TR relay in the amp clicks when
> I key up, so think it is working ok. Maybe it is not switching the amp in
> line? Thanks for any ideas and 73
> Tom W7WHY
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