9 National Union NU Number Type 27 #27 Vacuum Tubes Lot Of Nine 9 Lot Of Nine THIS IS NOT AMAZON

THIS IS NOT AMAZON

These seven new old stock

new in box Amperex 6R3 / EY8 tubes tested to spec on our Paul Hart-calibrated TV7/U

These three GE GE 5-Star industrial 6265 tubes tested to spec on our Paul Hart-calibrated TV7/U

Both measured 62 where minimum (65%) is 34

9 National Union NU Number Type 27 #27 Vacuum Tubes Lot Of Nine 9 Lot Of Nine THIS IS NOT AMAZONThese nine National Union number type 27 tubes tested as good on our Paul Hart calibrated TV7 U. Transconductance readings are 25, 27, 28, 30, 30, 32, 32, 34 and 35 where minimum (65%) is 25. 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