Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB T67 Backup T15 D getters and short bases

D getters and short bases

This perfectly-matched pair of GE nickel plate 6AU6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

romantic and poignant like it should

This lot of eight 6CG7 / 6FQ7 dual triodes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Raytheon 10KR8 tubes tested to spec on our TV7/U

Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB T67 Backup T15 D getters and short basesThis new old stock, new in box matched pair of GE 6BL7GTA dual triodes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 56 56 for Tube One and 58 58 for Tube Two where minimum (65%) is 25 25 and 100% is 38. 5 38. 5. They have chamfered top O getters; steel support rods; great flashing; stout gray plates; anode radiators for cooler operation and longer life and