[AMPS] 811A Filament Voltage

[Michael Tope]

Can anyone tell me the reliability consequences of running the filament 
voltage on a set of 811As a little on the low side? Specification is 6.3VAC. 
At Vline = 114.4 VAC, I am measuring Vfil = 5.95 VAC. Filaments are thoriated 
tungsten.

Thanks,

Mike, W4EF.......................................



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