Matched Pair Sylvania 6AU6 Vacuum Tubes Valves NOS-Testing 6AC7 Octal OM2 This lot of four North

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

Zenith-LABELED 6C8G dual triode was tested on our Paul Hart-calibrated for shorts

These four new old stock

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

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

Matched Pair Sylvania 6AU6 Vacuum Tubes Valves NOS-Testing 6AC7 Octal OM2 This lot of four NorthThis 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