[Collins] 75S-3B audio output tube

[Jaime Gomez]

The output tube (6BF5) in my 75S-3B shorted out, I need to replace it. I
have been checking some sources but cannot find it. I saw that it is similar
to the 6AQ5, base connections are the same and the 6AQ5 can use higher plate
and screen voltages. Can I replace the original 6BF5 with a 6AQ5? Any
suggestions?
Thank you, 73,

Jim, HK1N
Barranquilla, Colombia
Tel: +57 312 6642680
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