Re: [TenTec] Centurion and AM

[Kim Elmore <cw_de_n5op@sbcglobal.net>]

How about this: Tune the amp for its maximum clean PEP output at 
whatever drive level is needed. Switch to AM and adjust the carrier 
level to 1/4 of that output. Then operate happily.
Kim N5OP


On 8/1/2014 7:28 PM, george fritkin via TenTec wrote:
> 200 to 250 watts AM results in 800 to 1000 watts PEP at 100% modulation.  Three 
> 811 tubes can not handle that power.  However if you are using low level AM 
> from your xcvr you probably won't get 100% modulation so it might not be a 
> problem.  If it were me, I would drop the power to 150 watts to be safe
>   
> Just my opinion
>   
> George, W6GF
>
> On Friday, August 1, 2014 4:57 PM, Robert <rmcgraw@blomand.net> wrote:
>    
>
> Yes. Run about 200 to 250 watts of carrier BUT tune it for max output with 100 
> watts of drive.   Then switch to AM mode and adjust drive as necessary. Do not 
> change amp tuning after switching to AM mode.
>
>
>
> 73
> BOB, K4TAX
>
>
> Sent from my iPhone
>
> > On Aug 1, 2014, at 5:40 PM, Timothy Johnston <timothy.f.johnston@gmail.com> 
> > wrote:
> >
> > Can the Centurion (422b) be used with AM mode? The manual does not mention
> > it.
> >
> > 73 de Tj, K4TFJ ...
> > _______________________________________________
> > TenTec mailing list
> > TenTec@contesting.com
> > http://lists.contesting.com/mailman/listinfo/tentec
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
> _______________________________________________
> TenTec mailing list
> TenTec@contesting.com
> http://lists.contesting.com/mailman/listinfo/tentec
--

Kim Elmore, Ph.D. (Adj. Assoc. Prof., OU School of Meteorology, CCM, PP 
SEL/MEL/Glider, N5OP, 2nd Class Radiotelegraph, GROL)
/"In theory there is no difference between theory and practice. But, in 
practice, there is." //-- Attributed to many people; it's so true that 
it doesn't matter who said it./
_______________________________________________
TenTec mailing list
TenTec@contesting.com
http://lists.contesting.com/mailman/listinfo/tentec