[Amps] 3-500Z tubes ...

Mike Tubby mike at tubby.org
Sun Dec 23 15:48:17 EST 2012


I have a pair of these RFP 3-500Z matched tubes in my TL922 and the work
great. They are Chinese but the quality of Chinese tubes these days is
pretty good.

I also have a single one in my 6m amp (the QST 1970 design) and that
works fine too.

Mike G8TIC


On 23/12/2012 06:39, Behiels JeanPierre wrote:
> Hi members;
>
> Does someone have any experience about use of this type of tubes from RF parts ?
> Especially about custumer name AMPEREX-EIMAC and possible ohters.
> I don't now whitch costumer name this have ?
>  
>
>      3-500ZG -RFP-MP RFP Matched Pair price 379.90 US$ 
>
>
> Regards Jean ON4AEF.



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