The Automatic HF/50 MHz Linear Amplifier OM2000A
The automatic linear amplifier OM2000A+ is designed for all short wave amateur bands from 1.8 to 29 MHz (including WARC bands) + 50 MHz and all modes. It is equipped with an FU-728F ceramic tetrode....
Chinese AMPTEC LA4000 HF Linear Amplifier 2016 Latest product - HF 4KW Linear Amplifier 1.8-30MHz + WARC amateur radio bands.
Using Chinese pair "FU728F" ceramic tetrodes at Class AB1
Driving power: 5-80W.
Output power: 4000Watts. (3000 Watts...
QRO 100KW – “Tsunami” HF Linear Amplifier DC9DZ: Project Tsunami 100K – Power Amplifier (PA) using two 4CX15000A
all HF amateur bands
1.8 MHz to 29.7 MHz
3 power supply transformers