[AMPS] QB5/1750 russian equiv.

[yo9fzs@office.deck.ro (yo9fzs)]

What russian tube is the QB5/1750 equivalent (or what russian tube did
you use instead of the QB5/1750)?  It is the GU46?

73,
Traian


DF3KV@aol.com wrote:

> That is exactly my experience wirth QB5/1750 or the russian
> aquivalent.
> 12-13db of gain are quite normal with 4,5 to 5 KV on the Plates in
> GG zero bias configuration.
> With higher voltages you need a very good bandswitch to prevent
> arcing.
>
> 73, Peter


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