[Amps] Henry 3k-A 2.85 watts ouput with 85 watts in any trouble shooting ideas from the group ?

[Roger]

Steve Lott wrote:
> Good morning gents
> I am new to the Amps reflector
> as I now have a Henry 3K-A that I need help with
>
> It was running fine
> I noticed an excessive jump in power out
> and went to dial the input power to the amp back
>   
By dialing the input power back I assume you mean drive from the exciter?
> grid current at that moment (before dialing back was 250 maybe 300)
> dialed it back to under 1100 watts
> then dialed the input back to where it was
> and the grid had settled down to "normal" with aprox 1200 watts out
> with drive at 85 watts
>
> next morning amp was dead
> by dead I mean 85 watts in and only 2.85 watts out
>
>   
Output of the exciter? Measured at the input terminal of the amp, or is 
this plate current multiplied by plate voltage?


73

Roger (K8RI)

> I did a visual check on every thing with a bright flash light and found no
> obvious burned components
>
> any ideas ?????
>
> Steve
> kg5vk
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