Mr R's AMERITRON AL-811H repair :)
25:42
How To Do A Basic Tune up on a Sweep Tube Amp, amp sold
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4 pastillas, unidad de radio = 2000 vatios +
18:09
Ameritron AL811H converted to AL811HD with 4 x 572B tubes
12:38
Ameritron Al-811H Repair, Modifications, Faulty Filament Solder Connections At Socket , Etc Etc 572b
17:17
Vintage Tech: Amplifier Ameritron AL 811 troubles
39:47
AL811 AL811H Ameritron Critical Safety Mods
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6 Basic Steps for Tuning an HF Transmitting Tube Amplifier
8:45