3 RCA 6X5 6X5GT Vacuum Tubes Rectifiers NOS NIB Lot Of Three Bell Plate Variety This matched pair of Tung-Sol

This matched pair of Tung-Sol black glass 6K6GT tubes was tested on our Maxi-Matcher tube tester with 325 volts on the plates and a bias of -36 volts

51/50 and 51/51

Tube One measured 66/53 while Tube Two measured 67/57 where minimum (65%) is 50/50

Transconductance measured 67 in Section One and 68 in Section Two for Tube One and 69/70 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

4 (New/nominal according to M-M is 50/50 for this tube's cousin

3 RCA 6X5 6X5GT Vacuum Tubes Rectifiers NOS NIB Lot Of Three Bell Plate Variety This matched pair of Tung-SolThis trio of new old stock, new in box 6X5GT rectifier tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They measured 55 56, 62 59 and 66 48 where minimum (65%) is 40 40 and 100% is 62 62.