Matched Pair RCA 6BL7 6BL7GTA Vacuum Tubes NOS-Testing Nonal NOS NIB The remaining six are labeled

The remaining six are labeled "1X2A/1X2B

INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS -- AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM -- WE NO LONGER SHIP TO GERMAN ADDRESSES

Tube One measured 33 while Tube Two measured 34 where minimum (65%) is 32 and 100% is 49

a round mica spacers and gray plates

The Rayteons are Japanese and the Sylvania is American

Matched Pair RCA 6BL7 6BL7GTA Vacuum Tubes NOS-Testing Nonal NOS NIB The remaining six are labeledThis 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