Test parameters

Filament 6.3v

Plate  250v

Screen 250V

Grid -13.5v

Spec for new

Ia :  75mA

Gm : 11.0mA/V

Tested on AVO VCM163

Ia : 70mA

GM : 9.7mA/V

This data is for reference only. You may get different results on your tester as no tester behaves the same.

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