*****SELLING WORLDWIDE*****
>>>>THESE ARE PLATINUM MATCHED QUAD TUBES triode--triode & tube--tube in transconductance and plate current).
*****QUAD GE 6SN7 GTA,USED,Medium BASE,77-89%PRINT/ LABEL VISIBLE. "STOCK PHOTO". 
>>>>TESTED TWICE.
*****1st) NO SHORTS,NO GAS AND VERY STRONG TRANSCONDUCTANCE 
*****2nd) TUBES ARE NOT USABLE UNLESS THEY ARE LIVE AUDIO TESTED FOR NOISE & NON-MICROPHONIC WITH MODIFIED DYNACO PAS 3 & TUBE OTL.
****MORE QUADS AVAILABLE.
**** Having a minimum of,
TUBE1) 2750/2800 uSIEMENS & 7.4/7.7 ma
TUBE2) 2800/2800 uSIEMENS & 7.8/7.8 ma
TUBE3) 2700/2800 uSIEMENS & 7.8/7.6 ma
TUBE4) 2800/2800 uSIEMENS & 7.7/7.9 ma PLATE CURRENT
  WHERE 2100/2100  uSIEMENS IS minimum AND NOS START AT 2600/2600 uSIEMENS AND WE ONLY SELL 2700/2700 or HIGHER with HICKOK or TV7 TUBE TESTER
*****BUYING TUBES WITHOUT TEST DATA / RESULT IS NOT SOUND DECISION & LISTING ADS THAT SAY'S "test good" or "test strong" IN VACUUM TUBES IS NOT ENOUGH AND AVOID SURPRISES               
******  WORLDWIDE SHIPPING  WILL BE  BY   USPS PRIORITY MAIL.
******PLEASE CHECK MY OTHER COOL AUDIO STUFF..
*****QUESTIONS ARE ALWAYS WELCOME.