3 RCA 6AU4 6AU4GTA Vacuum Tubes Valves NOS NIB Lot Of Three 6 Reserve T39 Transconductance measured 67 for Tube

Transconductance measured 67 for Tube One and 68 for Tube Two where minimum (65%) is 40 and 100% is 62

66 and 71 where minimum (65%) is 42

WE HAVE HAD A DOZEN OR SO LESS-THAN-FOUR-STAR REVIEWS OR HAVE LOST A CUSTOMER BECAUSE I REFUSED TO EITHER ISSUE A REFUND FOR A TUBE THAT WENT BAD AFTER IT HAD BEEN USED OR A BUYER KNEW NOTHING ABOUT TUBE REBRANDING AND CLAIMED THAT SOMETHING MADE BY TUNG-SOL AND BRANDED BY EMERSON WAS MADE BY EMERSON

new in box Sylvania 6CA4 tube tested to spec on our Paul Hart-calibrated TV7/U

3 RCA 6AU4 6AU4GTA Vacuum Tubes Valves NOS NIB Lot Of Three 6 Reserve T39 Transconductance measured 67 for TubeThis lot of three new old stock, new in box RCA 6AU4GTA 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. ETSY PURCHASE PROTECTION COVERS