*****SELLING WORLDWIDE*****
THESE ARE PLATINUM MATCHED PAIR (WELL-BALANCED  TRIODE-TRIODE AND TUBE-TUBE in transconductance and plate current). 
******NOS QUAD RCA 6SN7 GT.US MADE,SMOKE GLASS SHIELD,95%-99% PRINT VISIBLE,GUARANTEED RCA MADE TUBES.CLEAN OCTAL PINS.
******TWICE TESTED
     1st)NO SHORTS,NO GAS AND VERY STRONG TRANSCONDUCTANCE.
    2nd) TUBES ARE NOT USABLE UNLESS THEY ARE  LIVE AUDIO TESTED WITH NO HUM,NON-MICROPHONIC.TESTED USING MODIFIED DYNA PAS 3 & TUBE OTL.
 HAVING,
           TUBE1)2700/2700 & 7.1/7.4 ma 
           TUBE2)2700/2750 & 7.2/7.3 ma
           TUBE3)2750/2750 & 7.2/7.4 ma
           TUBE4)2750/2800 & 7.3/7.4 ma
            uSIEMENS & PLATE CURRENT 
  WHERE 2100/2100  IS nominal / average  VALUE AND NOS START AT 2600/2600 uSIEMENS WITH HICKOK  TESTER.WE ONLY SELL 2700/2700 uSIEMENS OR HIGHER.
******WITHOUT TEST DATA IS NOT SOUND DECISION AND LISTING AD'S THAT SAY'S "NOS","test good"OR "test strong" IN VACUUM TUBES IS NOT ENOUGH AND AVOID SURPRISES.  
*****QUESTIONS ARE ALWAYS WELCOME.