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

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

This Sylvania milspec / industrial 5814 / 12AU7 / ECC82 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

engraved base number 78 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

new in box 8JV8 tube tested to spec on our Paul Hart-calibrated TV7/U

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.