Matched Pair RCA 6BL7 6BL7GTA Vacuum Tubes NOS-Testing Nonal NOS NIB 5 record cleaner and then

5 record cleaner and then played it on my He-Man Rig which consists of a Rega Planar

There was no gas and it tested 2170 micromhos with a plate current draw of 25

Not for use in guitar and bass amps

They measured 27 and 28 where minimum (65%) is 22 and 100% is 40

Two are 1X2C and the other three are 1X2B

Matched Pair RCA 6BL7 6BL7GTA Vacuum Tubes NOS-Testing Nonal NOS NIB 5 record cleaner and thenThis new old stock testing matched pair of RCA 6BL7GTA dual triodes was tested on our TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 50 50 while Tube Two measured 49 54 where minimum (65%) is 25 25 and 100% is 38. 5 38. 5. These tubes have steel support rods; short bases; beefy black plates: side O getters; anode coolers for cooler operation and longer life. Both have BW date codes. I played them in my Alan