How to tell if tube is counterfeit

Tubes Asylum

Questions about tubes and gear that glows. FAQ

I've heard of counterfeit tubes being sold all over. Is there a way to really know? I'm looking at this pair from eBay. It seems like the silk screening is too fresh. Not really sure. What do you guys thinks?

https://www.ebay.com/itm/1-X-NOS-MULARD-GZ34-O-Getter-tested-100-NOS/264599646539?hash=item3d9b5e314b:g:EWsAAOSwvjlZc3G4

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Topic - How to tell if tube is counterfeit - audiophilewannabe 03:22:30 05/02/20 (2)

RE: How to tell if tube is counterfeit - spindoctor 18:17:27 05/02/20 (0)

RE: How to tell if tube is counterfeit - baileyler 08:36:00 05/02/20 (0)

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