Matched Pair General Electric GE Nickel Plate 6AU6 Vacuum Tubes Valves Tchaikovsky Tube Three measured 27

Tube Three measured 27

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

matched pair of GE 6SJ7s was tested on our Paul Hart-calibrated TV7/U for shorts

GM-Delco-BRANDED 6AX8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Matched Pair General Electric GE Nickel Plate 6AU6 Vacuum Tubes Valves Tchaikovsky Tube Three measured 27This perfectly matched pair of GE nickel plate 6AU6 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Both measured 72 where minimum (65%) is 58. These tubes have top, harp getters; nickel plates and excellent flashing. I am playing them in my Musical Paradise MC 3 single ended integrated amplifier (with adapters, not included) with Aimee Mann's seminal "Magnolia" album and they sound