10 meter mod al 811

10/12 meter Mod for Ameritron 811 - 10 meter modification for the Ameritron AL-811 and AL-811H amplifier. This mod apply to other Ameritron AL Series RF amplifiers and allow extension to 10 and 12 meters band.

AL-811 10 mt mod pictures - Pictures of the Ameritron AL-811 modification for 10 meter band extension by km5ps

High SWR after AL-811 10 Meter mod - Very High SWR with the 10M Mod to Ameritron AL-811 amplifier