There is now a new production again of TUNG-SOL tubes

These are exact copies of the original Tung-Sol


TUNG SOL 6V6

 


 

TUNG SOL 6550

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TUNG SOL 5881
Upgade replacement for 6L6 and KT66

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The 5881 carries ratings similar to the 6L6 except that the allowable screen dissipation is 3.0 watts instead of 2,5 watts while the maximum plate dissipation is 23 watts instead of 19 watts for the 6L6. With these ratings it can also replace the KT66.

Read this article about the original introduction (1950) of this tube