[Amps] Replacing 811A with 572B

[jeremy-ca]

Its fine as long as he runs it at the 811 power level and not push for all 
it can do. Filament ratings are the same.

Carl
KM1H


----- Original Message ----- 
From: "Bert Almemo" <balmemo at sympatico.ca>
To: <amps at contesting.com>
Sent: Wednesday, April 09, 2008 7:37 PM
Subject: [Amps] Replacing 811A with 572B


> 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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