Matched Pair Amperex 6267 / EF86 Mesh Plate Vacuum Tubes

Matched Pair Amperex 6267 / EF86 Mesh Plate Vacuum TubesThis matched pair of Dutch Amperex MANUFACTURED mesh plate EF86 6267 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 23 for Tube One and 25 for Tube Two where minimum (65%) is 18 18. These tubes have 8Y2 D3L3 and 8Y3 D0C3 date provenance codes, respectively. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT

I am playing it in my Musical Paradise MC-3 single-ended integrated amplifier with The Eagles' seminal "Hotel California" album and it sounds terrific

It has a D getter

new in box GE Five Star milspec / industrial 6AL5 / 5726 / 6097 / JHY-6AL5W tube tested to spec on our Paul Hart-calibrated TV7/U

These new old stock

This Zenith 5Y4G rectifier tube tested 57/54 where minimum (65%) is 40/40 and 100% is 62/62

US-made 12MD8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This lot of five GE black plate

perhaps a 7

It measured 51/47 where minimum (65%) is 40/40 and 100% is 62/62

They struck at 35

This West German Amperex-MANUFACTURED

This triple mica 12AT7 / ECC81 dual triode was tested on our Hickok 600A for shorts