5 US-Made 12D4 Vacuum Tubes Valves NOS NIB Lot Of Five 1st Quarter BW07 new in box GE 25Z5

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

Etsy will indicate how many tubes are available in this Dutch auction

61 and 66 where minimum (65%) is 45

Tube Five (triode): 46

These nine Philco type / number 41 tubes tested as follows on our Paul Hart-calibrated TV7/U:

5 US-Made 12D4 Vacuum Tubes Valves NOS NIB Lot Of Five 1st Quarter BW07 new in box GE 25Z5There 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