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Questions about tubes and gear that glows. FAQ

Yep...

...got a few of those double labeled 6L6s stashed away. Really nothing more (or less) than a GE 6L6GC. For a while, the 7581(A) was considered the US equivalent to the British KT66. Near the end of US tube production a lot of designs picked up multiple designations.


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  • Yep... - Steve O 12:43:28 09/18/15 (0)

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