[Amps] Replacing 811A with 572B

[Scott Manthe]

Why don't you think it's a good idea?

The amp will run cooler, the tubes will last longer and the performance 
will be about the same. What's not to like?

73,
Scott, N9AA

Bert Almemo wrote:
> Hi guys,
>
> I have a friend who wants to replace 4x811A with 4x572B in an Ameritron amp.
> I don't think it's a good idea but he insists a lot of hams do it. What do
> you think?
>
> 73 Bert, VE3OBU
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