[AMPS] 572-B Input impedance??

[Tom Rauch]

> My experience with 572s suggests that operation at 50 MHz is going to be
> interesting from a stability point of view. The grid leads are just far
> too long for operation up there. Series tuning might help, but what the
> efficiency will be is another matter. I'd use something else.

My opinion also Peter, based on my experience. 

I made four sweep tubes work on six meters in a friendly bet, so 
odd things can be made to work. The question is always how 
reliably.





73, Tom W8JI
w8ji@contesting.com

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