[TenTec] Centaur replacement tubes

[Jerry Volpe]

Joel and Group:

I haven't as yet added a Centaur to my station but I am looking. I have 
a Yaesu FL-2100B holding its spot. Couple months back one of my 572B's 
shorted with a bang so I got a new pair from RF Parts. They also had the 
resistors and capacitors that blew! Anyway, I choose to use a matched 
pair of Taylors rather than the Svetlanas as with the Yaesu amp I would 
have to modify the grid biasing somewhat for the Svetlana's different 
operating characteristics.

I checked the RF site earlier today and they seemed to have at least 
three sources for 811As and 572Bs. I highly recommend them as a 
trustworthy source.

Merry Christmas Everyone!

Jerry, KG6TT


joel hallas wrote:

> Ron,
>
> Great question, and I will be watching the answers closely too. I  
> fried an 811A  in my Centaur the other day and can  see the bottom of 
> the spare bin very clearly now!
>
> The big question is, when I toss my last spare 811A, should I go with 
> 572Bs or stick with 811As? The 572Bs that everyone liked from Svetlana 
> don't seem to be available any more (source?) and I wonder if the 
> Taylor 572Bs offered by RF Parts will be as good. Anyone have good 
> luck with them in a Centaur?
>
> Thanks for everyone's help!
>
> 73 & Merry Chistmas,
> Joel Hallas, W1ZR
>
> Ron Feutz wrote:
>
>> TT'ers,
>>
>> I cooked a tube or tubes in my Centaur while tuning up.  Any 
>> suggestions on the best place to get replacements, and the best 
>> replacements to get?  For the price I suppose it makes sense to get a 
>> matched trio.
>>
>> I see RF parts has quite a selection and the prices look reasonable.
>>
>> 73,
>>
>> Ron KK9K
>>
>>
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