Top Rig Getter
Black Plate & Black Base Construction
Made in USA 
Amplitrex AT1000 Digital Testing

Offered here is a precision vintage NEC 6L6GC power vacuum tubes, featuring the highly desirable Black Plate internal structure and Top Ring Getter. These USA-made classics are renowned for their exceptional build quality and clean, transparent headroom.

Both tubes have been thoroughly analyzed on the Amplitrex AT1000 digital tester. Following our Percentage Method, the results below show how each tube performs relative to the 100% factory design-center specifications for this tube type (Ip = 72.0mA / Gm = 6000 µMhos).

Serial No.	Parameter Ip	Result Ip	% Ip	Parameter Gm	Result Gm	% Gm
1039001	72.0	63.6	88%	6000	5800	96.6%
1039002	72.0	63.8	89%	6000	5800	96.6%

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