8mm Forum: old valves

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Topic: old valves

Tommy Woods
Expert Film Handler

Posts: 146
From: Scouser
Registered: Feb 2011

posted January 26, 2012 05:30 AM

Hi All
Does anyone know where you can have old radio valves checked,preferably around the Cheshire area?
Tommy

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Let there be light,so god created the projector

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David Park
Master Film Handler

Posts: 346
From: UK
Registered: Nov 2003

posted January 26, 2012 08:22 AM

Try a local Ham radio club.

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Regards,
David

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Bruce Wright
Expert Film Handler

Posts: 140
From: Denham Springs, La.
Registered: Oct 2011

posted January 26, 2012 08:53 AM

Tommy - Replace the value with a new one. Testers are not real accurate. I have two very good testers, uaually when they say bad ,the valve is bad , when they say good it MIGHT be good.
I have been a ham radio operator for over 50 years,and have tested many many valves(tubes). They glow in the dark !

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Bruce Wright

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Bryan Chernick
Jedi Master Film Handler

Posts: 654
From: Bothell, WA, USA
Registered: Mar 2010

posted January 26, 2012 03:23 PM

You can find them on ebay that say they have been "tested". It's hard to figure out which one is bad when you don't have a tester handy. I usually look at the visible condition and start with the ones I think are most likely to be bad. I just fixed an old radio that way but I had a box of tubes that I picked up at an estate sale and just started swapping them out until it worked.

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