GE JG 12AT7WA 6201 Gray Plate Triple Mica Vacuum Tube Amplitrex Tested 97/86% Gm

GE 6201 JG 12AT7WA gray plate triple mica vacuum tube tested 97/86% Gm. 100% represents what you would expect from a NOS tube on our Amplitrex and 65% is considered too low to use.

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