4 Ken-Rad 6D6 Vacuum Tubes Valves Black Glass Lot of Four NOS-Testing 5Z4 Rectifier This lot of RCA 2050

This lot of RCA 2050 thyratron tubes were tested on our Paul Hart-calibrated TV7/U

Minimum (65%) is 57/57 and 100% is 88/88

new in box Cunningham 14F7 tube tested to spec on our Paul Hart-calibrated TV7/U

it is probably plated

These five 26E5 tubes were tested (as 25 volt 6CM6s) on our Paul Hart-calibrated TV7/U for shorts

4 Ken-Rad 6D6 Vacuum Tubes Valves Black Glass Lot of Four NOS-Testing 5Z4 Rectifier This lot of RCA 2050This lot of four black glass Ken Rad 6D6 tubes was tested on our Jackson 648 Mutual Conductance tester for shorts, gas and transconductance. There were no shorts or gas. They tested (from left to right) as follows: 81%, 106%, 109%, and 117% respectively. New nominal is within a standard deviation of 1600 and the Jackson expresses this as a percentage. BECAUSE OF THE BIZARRE, INTRUSIVE AND DRACONIAN GERMAN PACKAGING REGULATIONS AND THE SEVERE FINES AND