How to read tube pinout

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Do you guys agree with this

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Sorry just want to get this nailed down my head is spinning as in who's on first

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Well I was inspired by John Connelly 

I looked up the pinout for a 6U8A tube and the heater is on pins 4 and 5

So I got my meter out and checked for continuity for those pins on the tube itself and then the socket and that seems to work