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Restoration73 · 2nd Jun 2019, 9:40 am

You should be able to recycle the valve audio stage to construct a basic amplifier.

The PL500/504/509 line output valves could be used in a grounded grid RF power
amplifier, but whatever you build you need a suitable mains transformer.

2nd Jun 2019, 9:40 am	#4
Restoration73 Nonode Join Date: Jun 2013 Location: Surbiton, SW London, UK. Posts: 2,801	Re: VHF UHF TV set for home brewing gear You should be able to recycle the valve audio stage to construct a basic amplifier. The PL500/504/509 line output valves could be used in a grounded grid RF power amplifier, but whatever you build you need a suitable mains transformer.