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Questions about tubes and gear that glows. FAQ

That's so sad...

New Sensor purchased many original tube names including TungSol and can now label whatever they want as a "TungSol". There is no comparison between the original TungSol 5881's you're holding and the current production Russian tubes imho. The same has happened with Amperex, Gold Lion and others.

TungSol was a good old USA company, and the 5881 was an amazing tube introduced in 1952 - it is a 6L6 variant with a smaller bulb, and was much more rugged than a standard 6L6. The plate dissipation was uprated from 19 to 23 watts. The plates were painted with Zirconium to aid in gas absorption during the life of the tube.

See the bottom of the link below for an article about the introduction of the 5881.


http://www.the-planet.org


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