Western Electric 300B Vacuum Tube Amplitrex Tested Strong 86% 1976 W/ Box
Up for buy it now is a western electric 300B vacuum tube (1976 date) The tube tested strong at 79% ip and 86% gm on an Amplitrex AT1000 tube tester (as photographed).
ONE Western Electric 300B Tube /Amplitrex Tested / 1956 Single D Getter / 95%
Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode). ONE Western Electric 300B electron tube. For Reference- Spec (Nominal 100%) values for 300B tubes = 5500 uMhos(Micromhos) and 60 mA Plate Current(iP).
ONE Western Electric 300B Tube /Amplitrex Tested / 1951 Single D Getter / 83%
Tested on Amplitrex AT-1000 computerized tube tester (fixed bias mode). ONE Western Electric 300B electron tube. For Reference- Spec (Nominal 100%) values for 300B tubes = 5500 uMhos(Micromhos) and 60 mA Plate Current(iP).
