UK Vintage Radio Repair and Restoration Discussion Forum - View Single Post

Phil G4SPZ · 1st Jan 2014, 10:27 am

I've read a couple of articles which suggest that the only way of getting more life out of tired eyes is to increase the target voltage, up to 500 volts. There is an article in the latest NZVR Bulletin with a suitable voltage doubler design. Coupled with reducing the heater voltage by 20% or so, a greatly extended life is claimed for both old and NOS eyes.

1st Jan 2014, 10:27 am	#6
Phil G4SPZ Dekatron Join Date: Apr 2005 Location: Bewdley, Worcestershire, UK. Posts: 4,385	Re: Rejuvenating Magic eye Valves? I've read a couple of articles which suggest that the only way of getting more life out of tired eyes is to increase the target voltage, up to 500 volts. There is an article in the latest NZVR Bulletin with a suitable voltage doubler design. Coupled with reducing the heater voltage by 20% or so, a greatly extended life is claimed for both old and NOS eyes. __________________ Phil “The place where optimism most flourishes is the lunatic asylum” - Havelock Ellis