Test results will vary between testers as it is not an exact science. Very good sounding tube. Mutual Conductance (GM)Test: 52 & 51 (58 = NOS AVERAGE & 40 = Good MINIMUM).
Item Tag: 5V4G
Matched Pair RCA 5V4G Rectifier Tubes Black Plates D Getters Tests Strong TV-7BU
Matched Pair RCA 5V4G Rectifier Tubes Black Plates D Getters. Tube 1 tests at 60/60 and tube 2 at 56/58 with 40 being the minimum score for a good tube (with 65% life remaining).