Matched Pair Sylvania 6AU6 Vacuum Tubes Valves NOS-Testing 6AC7 Octal OM2 MOST OF THE TUBES WE

MOST OF THE TUBES WE SELL ARE OVER 60 YEARS OLD

Fortunately the wire is still there and replacing the pin should not be too difficult

7 milliamps and transconductance was 1510 micromhos for Tube One

They measured 84/74 for Tube One and 87/73 for Tube Two where minimum (65%) is 57/57 and 100% is 88/88

This lot of four North American-made number 78 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair Sylvania 6AU6 Vacuum Tubes Valves NOS-Testing 6AC7 Octal OM2 MOST OF THE TUBES WEThis new old stock testing matched pair of Sylvania 6AU6 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 85 for Tube One and 86 for Tube Two where minimum (65%) is 58. These tubes have top, U getters; gray plates and excellent flashing. I am playing them in my Musical Paradise MC 3 single ended integrated amplifier (with adapters, not included) with Aimee