2 RCA Black Plate 6GF7 6GF7A Vacuum Tubes Valves NOS NIB Lot Of Two Doctor Professor Flashing Quality: excellent

Flashing Quality: excellent

GM-BRANDED 6SK7 tested as good on our Paul Hart-calibrated TV7/U

It measured 58/56 where minimum (65%) is 40/40 and 100% is 62/62

This new old stock-testing Sylvania 12AV7 dual triode was tested on our Jackson for shorts

2 RCA Black Plate 6GF7 6GF7A Vacuum Tubes Valves NOS NIB Lot Of Two Doctor Professor Flashing Quality: excellentThis lot of two new old stock, new in box RCA MANUFACTURED, Setchell Carlson BRANDED 6GF7A tubes tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100.