SYLVANIA6SN7 GTB SYLVANIA 6SN7 GTB   MADE   VERY LOW NOISE PLATINUM MATCHED QUAD*****THESE ARE  PLATINUM MATCHED QUAD,WITHIN 7 % OR LESS TRIODE-TRIODE & TUBE-TUBE IN TRANSCONDUCTANCE & PLATE CURRENT,VERY LOW NOISE & LIKE NEW. *****USED SYLVANIA 6SN7 GTB MADE FOR MA...104.47

SYLVANIA 6SN7 GTB MADE VERY LOW NOISE PLATINUM MATCHED QUAD [Expired]


no longer for sale

*****THESE ARE  PLATINUM MATCHED QUAD,WITHIN 7 % OR LESS TRIODE-TRIODE & TUBE-TUBE IN TRANSCONDUCTANCE & PLATE CURRENT,VERY LOW NOISE & LIKE NEW. *****USED SYLVANIA 6SN7 GTB MADE FOR MAGNAVOX,PHILCO,BALDWIN & SILVERTONE WITH 90-95% PRINT VISIBLE,ACTUAL PHOTO,TIGHT BASES AND VERY CLEAN OCTAL PINS.GUARANTEED MADE BY SYLVANIA TUBES.PLEASE SPECIFY CHOICE WHEN ORDERING..BUYER WILL RECEIVED ONE QUAD,,QUAD WITH RUB-OFF 0-10% PRINT VISIBLE  IS ALSO AVAILABLE AT 35% LE$$.  *****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,Send email if the QUAD you like  is still available at,kablemetal@gmail.com. And please check my other cool audio tubes.
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