2x USSR era Russian 20W T12 tubes
Andy gave me those even though he said they are partly EOL as both tubes got one cathode intact 

Otherwise if it wasnt for me they be in the tip

2x USSR era Russian 20W T12 tubes

Andy gave me those even though he said they are partly EOL as both tubes got one cathode intact

Otherwise if it wasnt for me they be in the tip

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AngryHorse   [18 Oct, 2026 at 07:15 AM]
Still a good piece of history that's too good for the bin Cool
Danny   [18 Oct, 2026 at 04:31 PM]
Probably still work ok if you link out the cathodes
Andy   [18 Oct, 2026 at 04:39 PM]
They do work but won't last too long unfortunately.
Beta 5   [18 Oct, 2026 at 05:47 PM]
Some of the "pro" range HF ballasts can light a tube with one or both cathodes broken, so you might be able to use them up that way too? Might last a little longer than linking the cathode on SS.
Flurofan96   [20 Oct, 2026 at 06:48 PM]
When I was offered them, I was like yes totally cos I wanted some non UK made vintage fluorescent tube in my collection and at the moment I only got switchstart 18/20W fixtures in my collection so I will have to do the linking cathode method like Eclipsislamps does it Smile

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