AVO 163 tester for current draw and mutual conductance. Tube 1 -
0.8/1.1 & 0.8/1.1 Tube 2 - 0.8/1.1 & 0.7/1.0. New measurement is 1.0/1.2

Testing a 5751/12AX7

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DOn't these results while showing the tube works indicate at least half
the useful life of the tubes already gone?

"Ozzy 2005" wrote in message
...
AVO 163 tester for current draw and mutual conductance. Tube 1 - 0.8/1.1
& 0.8/1.1 Tube 2 - 0.8/1.1 & 0.7/1.0. New measurement is 1.0/1.2

Testing a 5751/12AX7

__________________________________________________ ________________


DOn't these results while showing the tube works indicate at least half
the useful life of the tubes already gone?


yeah, sort of

however tubes do not wear out in a completely linear fashion