>Filaments are not carburized when they are made. Even if the filament
>were replaced with a new filament, the new filament would need to be
>carburized with acetylene.
>
>>wereand grid structure and was about 50-75% the cost of a new tube.
>>The less than reputable rebuilders used the acetylene method...
>
I find it rather interesting that Eimac's website, in its discussion of
remanufactured tubes, notes that they replace filaments only when they
cannot be re-used, and when they can be re-used, Eimac doesn't even
discuss reprocessing them.
Arlen
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