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HF Amplifier

I designed and built a rather large HF amplifier for all bands from 160M to 10M. It was based on a YC156 (3CX5000) tube. Below is a couple of pictures of the amplifier:

Pictures of the tube, one of the two vacuum capacitors, choke and tank coil (all motor driven):

Some construction pictures:

6 KV 3 amp 3 phase powersupply: