On Dec 23, 2005, at 12:17 PM, Jim Barron wrote:
> What is the Real difference between
> Ameritron AL-80A and the AL-80B
> are the better than cheaper 811H
The AL-80A and B are similar designs using a single 3-500Z. The
AL-80A is an older, conventional design. The AL-80B is an updated
design using a sophisticated bias arrangement and more easily mass-
Both these rigs generate about 600 or more watts out using the single
The AL-811H uses four 811 tubes in a conventional design. It will
generate about the same amount of output power.
Bill Coleman, AA4LR, PP-ASEL Mail: firstname.lastname@example.org
Quote: "Not within a thousand years will man ever fly!"
-- Wilbur Wright, 1901
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