AMPTEC LA2000 2000W HF linear amplifier

RF Linear amplifier coverd 1.8-30MHz amateur bands , using Chinese FU728F ceramic tetrodes working at Class AB1 Driving power:30-40W output:2000W ; Driving power :60-70W output:2600W ( no recommend) . 3rd Order: -34dbc Protection:exceed anode temerture;exceed current(screen and anode);over drive; SWR. Heavy duty band switch and heavy duty HV transformer, independent filament transformer. Net weight :38kg,…