Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB Matched Pair 1622 This milspec CBS-Hytron USN-CHY-5Y3WGTA /

This milspec CBS-Hytron USN-CHY-5Y3WGTA / 5Y3 black plate rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

It measured 58/56 where minimum (65%) is 40/40 and 100% is 62/62

transconductance and gas

These three GE GE 5-Star industrial 6265 tubes tested to spec on our Paul Hart-calibrated TV7/U

280 739 and F1 date codes

Matched Pair General Electric GE 6BL7 6BL7GTA Vacuum Tubes NOS NIB Matched Pair 1622 This milspec CBS-Hytron USN-CHY-5Y3WGTA /This new old stock, new in box (For Tube One) matched pair of GE MANUFACTURED 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 49 50 for Tube One and 50 50 for Tube Two (RCA LABELED). where minimum (65%) is 25 25 and 100% is 38. 5 38. 5. They have O getters; copper support rods; great flashing; stout black plates; anode radiators for cooler