[Amps] THE SKINNY ON MY AL-82

[Vic Rosenthal 4X6GP/K2VCO]

What are the symptoms of an 'event'?

On 18 Dec 2014 16:49, Bill and Liz wrote:
> I recently tracked down the ham who had done work on my AL-82 as well
> as a second one purchased at the same time by another fellow who was
> forced by health out of ham radio.  I learned that right from the get
> go both amps had parasitic problems and hardly a day would go by
> without one or the other having an “event” (hence the original owner
> had two of them!).  These amps date from the 90s-perhaps they were of
> the initial design before changes started being made.
>
> The Measures parasitic retro kits were installed in both amps and the
> problems immediately disappeared.  Both amps today have the same
> minor problem on 10M: extreme heating, discolouration and distortion
> of the 100 ohm paralleled resistors in the suppressors but no
> parasitic events.
>
> From this information it would appear that I would not be wise to
> re-install the original suppressors, and, since I seldom run the amp
> over 400W on 10M anyhow, that I should “let sleeping dogs lie” as it
> were.
>
> Thanks to all who came forward with ideas and advice.
>
> Bill VE3NH _______________________________________________ Amps
> mailing list Amps at contesting.com
> http://lists.contesting.com/mailman/listinfo/amps
>

-- 
73,
Vic, 4X6GP/K2VCO
Rehovot, Israel
http://www.qsl.net/k2vco/