Thanks Bob.
Best regards - Bry Carling
> On Feb 2, 2014, at 9:53 PM, "Bob McGraw - K4TAX" <RMcGraw@Blomand.net> wrote:
>
> Just go to his website. For every amp I've updated or restored I've included
> his design and materials for parasitic suppressors. I also include a
> "glitch" resistor if not in the original design.
>
> http://www.somis.org/Oct88qst.html
>
>
> 73
> Bob, K4TAX
>
>
>
> ----- Original Message ----- From: "Bry Carling" <bcarling@cfl.rr.com>
> To: "Discussion of Ten-Tec Equipment" <tentec@contesting.com>
> Sent: Sunday, February 02, 2014 8:37 PM
> Subject: Re: [TenTec] Care and Feeding of Centurions
>
>
>> 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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