SYLVANIA6SN7 GTB NOS SYLVANIA 6SN7 GTB NOS   PLATINUM MATCHED OCTET*****THESE ARE PLATINUM MATCHED OCTET (8 PIECES),WITHIN 7 % OR LESS TRIODE-TRIODE & TUBE-TUBE IN TRANSCONDUCTANCE & PLATE CURRENT,ALSO AVAILABLE IN MATCHED QUADS($160.00/QUAD) AND MATCHED ...317.74

SYLVANIA 6SN7 GTB NOS PLATINUM MATCHED OCTET [Expired]


no longer for sale

*****THESE ARE  PLATINUM MATCHED OCTET (8 PIECES),WITHIN 7 % OR LESS TRIODE-TRIODE & TUBE-TUBE IN TRANSCONDUCTANCE & PLATE CURRENT,ALSO AVAILABLE IN MATCHED QUADS($160.00/QUAD) AND MATCHED PAIRS($80.00/PAIR) SEND EMAIL*****NOS  SYLVANIA 6SN7 GTB,GREEN OR YELLOW WITH 97-99.5% PRINT VISIBLE,STOCK PHOTO (OVER 50 TUBES FOR EACH GREEN OR YELLOW AVAILABLE),TIGHT BASES AND VERY CLEAN OCTAL PINS.PLEASE SPECIFY COLOR WHEN ORDERING OR WILL SEND ANY COLOR.TUBES WILL BE SUPPLIED IN WHITE BULK BOX. *****TWICE TESTED.  
 ***** 1st,NO SHORTS,NO GAS AND VERY STRONG TRANSCONDUCTANCE, USING HICKOK TUBE TESTER WHERE 2100/2100 uSIEMENS IS MINIMUM AND NEW START AT 2600/2600 uSIEMENS,WE ONLY SELL TUBES WITH  2700/2700 uSIEMENS OR HIGHER.    
 *****2nd,LIVE AUDIO TESTED ON A MODIFIED DYNA PAS II PREAMP WITH NO HUM,NON-MICROPHONIC AND NO SPUTTERING.
.  . *****Questions are always welcome,,,Please send email for the  number of tubes and color you like  at kablemetal@gmail.com.WORLDWIDE SHIPPING IS BY USPS  REGISTERED MAIL.