Lindal 6AN8 Tube Tested Good
Tested good 76%
NOS Westinghouse 6AN8A tube in original box,tested great!,radio,amp,preamp,6AN8
Here are the readings for thepentode /triode sections in. micromhos :4500/3400. Readings above new tube specs on both sections. Ref: Minimum readings for the pentode/triode sections should be 2400/1980 micromhos (60%) and new tubes should test at 4000/3300 or more micromhos.