[AMPS] QY5-3000A in hf amp

[Howard Aspinall]

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originally made for VHF television service.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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