Hello Bill and others,
Next month I will have two full years of daily operation on the 4 Svetlana
811A's that came as original tubes in a new Ameritron AL811-H I purchased in
Aug 1999. Very simply I have had no trouble whatsoever...I stay within the
recommended grid and plate current maximums but don't baby them either.....
From my experience they have been great tubes.....
73 / DX
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