[AMPS] QY5-3000A in hf amp

[Einar Persson]

Hi again Howard
I found the page with info about the "Daffy" amps:
http://www.pocab.se/amp/g2daf.htm

73 // Einar // SM3MXR

Howard Aspinall wrote:

> Does anyone on the list have experience of using the QY5-3000A tetrode,
> originally made for VHF television service. This old Mullard product might
> not have surfaced much outside the UK, though there may be some US or other
> equivalent. I would like to exchange notes with anyone who has tried one in
> an hf amp.
>
> Howard Aspinall G3RXH
>
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