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RE: Another one of those help ID this tube questions

it looks like a 3 to me but based on construction it is Telefunken if it looks more like 3 its 12ax7 if a 2 its 12au7 i have several and compared you pick but i think its 3 and 12ax7 easiest way to verify is put it in a tube tester and you will know, just a decent tester like hickok or bk i have both but my bk is modified for 12ax7s to test properly in different socket on the tester.

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