Matched Pair Sylvania Black Plate 12BY7 12BY7A Vacuum Tubes Valves T16 This matched pair of RCA-MANUFACTURED

This matched pair of RCA-MANUFACTURED 6K6GT tubes was tested on our Maxi-Matcher 400 volts on the plates and a bias of -36 volts for shorts

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IF IT APPEARS THE ITEM HAS ACTUALLY BEEN STOLEN

new in box International Servicemaster 6CG8A tube tested to spec on our Paul Hart-calibrated TV7/U

I am playing them in my Musical Paradise MP-301 MK3 as I write and they sound excellent

Matched Pair Sylvania Black Plate 12BY7 12BY7A Vacuum Tubes Valves T16 This matched pair of RCA-MANUFACTUREDThis matched pair of Sylvania black plate 12BY7 12BY7A tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 54 while Tube Two also measured 54. (Minimum (65%) is 46 and 100% is 71. These tubes have black plates; chamfered O getters and rectangular radiators for cooler operation and longer tube life. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY