Good to know. I would like to see the Measures mod.
Best regards - Bry Carling
> On Feb 2, 2014, at 9:39 PM, "Bob McGraw - K4TAX" <RMcGraw@Blomand.net> wrote:
>
> I've had two of the 422 Centurions. Always tuned them and operated them to
> "full tilt boogie" power out. The older one purchased new by me in 1991
> still has the original tubes, original filter caps, original fan and produces
> between 1200 and 1400 watts output depending on band.
>
> The newer one has had a tube replacement as the fellow that had it before me
> abused the amp. I put in a new matched pair of 3-500's and changed the
> parasitic suppressors to the Rich Measures design. I find the amp tunes much
> smoother, no flash-over events noted and makes more than 1200 watts out on
> all bands including 10M.
>
> 73
> Bob, K4TAX
>
>
>
>
>
> ----- Original Message ----- From: "Richards" <jrichards@k8jhr.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Sunday, February 02, 2014 5:53 PM
> Subject: Re: [TenTec] Care and Feeding of Centurions
>
>
>> Whoa... THANKS FOR ALL THE PROMPT ANSWERS !!
>>
>> 1) I will follow the recommended internal check. I will enlist the
>> oversight of a local Elmer who retired from designing radio gear for Lear
>> Jets, NASA, and the Air Force. He looks over my shoulder ans asks a lot of
>> questions, like the Professor in a college physics lab. He won't do it,
>> but he watches and quizzes me as I go along, so I learn a lot.
>>
>> 2) I will locate the referenced QST article, and be careful it applies to
>> this type of amp.
>>
>> 3) I get the point that proper handling is the key to longevity. I never
>> run it over 600 watts and watch the meters carefully. I received good
>> advice on proper tuning from this group when I purchased it, so I got off to
>> a good start. I never push it, as I am serious about being a courteous and
>> good operator, with a good clean signal. Similarly, I buy big cars with
>> big engines, and then run them easy, usually owning a car for up to fifteen
>> years. ... Well... OK... that is, most of the time... occasionally, I take
>> the sports cars out for a "spirited ride" because, like a good racing or
>> hunting hound, they need the exercise... ;-)
>>
>> 4) As for a spare transformer... sheesh... while I take the point
>> seriously... I don't expect to last another 20 years! My wife says, we
>> agreed "... until death do us part..." which she says could come sooner
>> or later... so all bets are off!
>>
>> Thanks, again.
>>
>> ------------------------------ JHR -------------------------
>>
>>
>>
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>
>
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