Re: wartime one valve set
When I was a lad a few years back, I only had a mains heater transformer as a possible power source (6.3V). I made many single valve regens using any S.H. valves I could find. I found that the audio pentodes/tetrodes worked best including the 6V6 on around 9V Ht. Later I used a voltage doubler to give me around 15V and better performance. The battery valves such as DL96 etc worked very well.
Have fun,
Mike.
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