Contest Recaps

SB-221

Adding the Ameritron AL-80B to the shack

June 12, 2017

The VA7ST station has a new contesting amplifier — the Ameritron AL-80BX joins a pair of SB-221 amplifiers for high-power operation.

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Heathkit SB-221 brought back to life

May 9, 2016

An overview of my SB-221 amplifier repair project — a notebook about what it needed and what I did.

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