Matched Pair Westinghouse Reliatron 5U4 5U4GB Vacuum Tubes Copper Getter-Support Rods Voix Tziganes This tube has steel support

This tube has steel support rods

Transconductance measured 72 for Tube One and 76 for Tube Two where minimum (65%) is 58

new in box Philco 3AL5 tube -- and several others just like it --tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 9JW8 tubes tested to spec on our TV7

It tests below the cusp

Matched Pair Westinghouse Reliatron 5U4 5U4GB Vacuum Tubes Copper Getter-Support Rods Voix Tziganes This tube has steel supportThis matched pair of Westinghouse Reliatron 5U4GB rectifiers was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas and emissions measured as follows: Tube One: 56 54 Tube Two: 57 56 Bogey: Minimum (65%) is 40 40; 100% is 62 62 Physical Characteristics: Bases: tall Bottles: medium height Date Codes: none visible EIA Factory Codes: Westinghouse Reliatron Getter Support Rods: copper Getters: top, D with