New In White BoxTested both plate current & Gm for 100% strong Matched within plate current & GM within same glass envolopeRecommended as Calibration Bogie Tube
The Photos listed above are of actual tubes that you are buying.
Tested on AVO type 160
Sr. No. 5126001 Ia=11.5 mA Gm=mA/V=3.1
Ia=11.3 mA Gm=mA/V=3.1
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