Matched Pair Tung-Sol Wizard National Union NU 6K6 6K6G Vacuum Tubes Black And Silver Bottles ST Shoulder Style NOS-Testing Vintage Parts 5 record cleaner and then

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

Transconductance: 2219 / 2211 (M-M has no recommended value

These two US-made 6B8G tubes tested to spec on our Paul Hart-calibrated TV7/U

for shorts

Matched Pair Tung-Sol Wizard National Union NU 6K6 6K6G Vacuum Tubes Black And Silver Bottles ST Shoulder Style NOS-Testing Vintage Parts 5 record cleaner and thenThis new old stock testing matched pair of National Union MANUFACTURED, Wizard BRANDED 6K6G tubes was tested on our Maxi Matcher with real world voltages of 325 volts on the plates and a bias of 36 volts. Tube One drew 26 milliamps' plate current while Tube Two drew 28. 6. Transconductance measured 1800 and 2100 micromhos, respectively, where new nominal is within one standard deviation of 1900. These are beautiful tubes with black and silver Coke