The company I work for supplies the Svetlana 4CX350A tube to the Coast Guard
and other government customers.
The buyers verify that the 4CX350A Svetlana tube significantly outlasts the
current production Eimac tube and it is the first choice in procurement.
73, Merit W6NQ
> The guys who run the transmitters told us that the Svetlana tubes were far
> better than the Eimac version. Typically, they get 2800 hours from the
> Eimacs before trouble sets in. From the Svetlanas, the average is 8000
hours!
>
> We were quite astounded at the difference. They also said that sometimes,
a
> batch of Eimac tubes, are so bad, they send the whole lot back mostly
> unopened. The few that they had opened and tested were so bad, that they
> didn't even bother testing the rest.
>
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