5 US-Made 12D4 Vacuum Tubes Valves NOS NIB Lot Of Five 1st Quarter BW07 Tube One measured 64/64 while

Tube One measured 64/64 while Tube Two measured 66/66 where minimum (65%) is 50/50 and 100% is 77/77

new in box GE 25Z5 tube tested to spec on our Paul Hart-calibrated TV7/U

61 and 66 where minimum (65%) is 45

Tube One measured 60/56 while Tube Two measured 61/58 where minimum (65%) is 50/50 and 100% is 77/77

5 US-Made 12D4 Vacuum Tubes Valves NOS NIB Lot Of Five 1st Quarter BW07 Tube One measured 64/64 whileThere are a total of five 12D4 tubes in this lot. The four new old stock, new in box US made 12D4 tubes tested to spec on our Paul Hart calibrated TV7 U. The used Westinghouse 12D4 tested as Good on the English scale on our Hickok 800 and had no emissions drop with the filament at five rather than 6. 3 volts. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND PRIVACY INTRUSIONS ASSOCIATED WITH THEM