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

Tube Three measured 27

28/27 and 33/26 where minimum (65%) is 18/18

They have gray plates

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

Etsy will indicate the number available

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