This is the indestructible 2m PA that I have used in the 70íties. I built it up and have used it in the Contests with good results.
It is a 4CX250 inside. Plate Voltage 2200 V Pout= 400W
This Power Amplifier was described in the VHF comunications (DK1OF) and has made no trouble all the time. Together with the Antenna 2m 2x 16 Element blowed a usefull radiation power. Distances until 1500 km are reached.