Ameritron AL-80A restoration project
W7TDC article on restoration of the AL-80A RF amplifier. The Ameritron AL-80A uses a single 3-500Z triode to produce over 1KW of power with only 65 watts of drive. I purchased it in the beggining of July 2003. It had several problems when I got it. The tube was bad, a VHF parastitic had occurred,