[Amps] Buzzing transformer

[Joe Giacobello, K2XX]

Carol, make sure that it's not the choke and not the trans.

73, Joe
K2XX

> Carol Richards <mailto:n2mm at comcast.net>
> Sunday, September 25, 2016 2:02 PM
> Hello all....
>
> This past weekend I ran into a new problem in the CQWW-RTTY contest. 
> For some reason, the power transformer in my Alpha 76PA started 
> buzzing big time everytime it was keyed.. The transformer is solidly 
> in the amp so that's not a problem. Early on, I asked a friend of mine 
> in DL land if my signal was clean and he responded YES !!! Then 
> Saturday evening I received a report that my signal had a buzz on it. 
> Same problem on CW. I could understand a bad tone if the electrolytics 
> were bad, but I am not sure. HV is good, no major drop when amp is 
> keyed, and everything tunes up as usual. Anyone have an idea where to 
> start troubleshooing the amp? Has anyone else had this problem?
>
>
> Carol
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