Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB T67 Backup T15 black and silver bottles and

black and silver bottles and 1-35 188-5 and 1-04 188-5 provenance/date codes

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

It measured 58/50 where minimum (65%) is 40/40 and 100% is 62/62

romantic and poignant like it should

BECAUSE OF THE BIZARRE

Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB T67 Backup T15 black and silver bottles andThis 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