I appreciate the several constructive comments sent to me on the question. I was, however, amazed at the several that seemed to indicate that they were the only hams going that have technical knowledge! The question did not ask if you could increase the power to the legal limit by simply exchanging the 811As with the 572B. Any ham worth his salt knows better than that! My question was advantages in terms of longer tube life, cooler operation, etc. Some of you, of course, recognized that and responded appropriately. Thanks again.
I understand that 572B's can be substituted for the 811As in the Ameritron AL-811H amplifier. Has anyone out there done this and if so, what are the advantages? You can email me at firstname.lastname@example.org Thanks.
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