6SN7 GTA 3 HOLED SYLVANIA BAD BOYS NOS PLATINUM MATCHED PAIR #3 TV7 tested

*****SELLING WORLDWIDE*****THESE ARE PLATINUM MATCHED PAIR,triode-triode and tube-tube in both transconductance and plate current.****SYLVANIA 6SN7GTA,THREE HOLED PLATES, BAD BOYS,NOS,TUBES will be supplied in new Sylvania boxes. "STOCK PHOTO".95-99% PRINT VISIBLE,THREE HOLES,SAME CONSTRUCTIONS AS 1952 BAD BOYS BUT IN SHORT BOTTLE.****TESTED TWICE,1st) NO SHORTS,NO GAS,VERY STRONG AND PLATINUM MATCHED WITHIN LESS THAN 6% IN TRANSCONDUCTANCE & PLATE CURRENT FOR BOTH TUBES.2nd) TUBES ARE NOT USABLE UNLESS THEY ARE LIVE AUDIO TESTED WITH NO HUM & NON-MICROPHONIC.TESTED USING MODIFIED PASS 3 & TUBE OTL. Having a minimum of, TUBE1) 90/92 usiemens & 9.5/9.7 maTUBE2) 92/94 usiemens & 9.6/9.8 maWHERE 50/50 IS MINIMUM AND NOS START AT 77/77 uSIEMENS WITH HICKOK TESTER,BUT ONLY SELL 85/85 OR HIGHER.******TUBES WITHOUT TEST DATA IS NOT SOUND DECISION,LISTING ADS THAT SAY'S "NOS", "TEST GOOD" or "TEST STRONG" WITH HIDDEN TEST RESULTS IN VACUUM TUBES IS NOT ENOUGH and AVOID SURPRISES.*****TUBES ARE MARK WITH SPECIAL PAINT TO AVOID SWITCHERS. .****** WORLDWIDE SHIPPING WILL BE BY USPS REGISTERED MAIL.******PLEASE CHECK MY OTHER COOL AUDIO STUFF..*****QUESTIONS ARE ALWAYS WELCOME.