SYLVANIA6SN7 GTB NOS SYLVANIA 6SN7 GTB NOS  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. *****NOS  SYLVANIA 6SN7 GTB,GREEN OR YELLOW WITH 97-99...157.47

SYLVANIA 6SN7 GTB NOS 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. *****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. USED TUBES with 40-90% PRINT VISIBLE  ARE ALSO AVAILABLE AT 35% LE$$ OF NOS PRICE,WHILE SUPPLY LAST.. *****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 if the color you like is still available at kablemetal@gmail.com.WORLDWIDE SHIPPING IS BY USPS  REGISTERED MAIL. >>>>I specialized in TUBE FM TUNER drifting repair service NOT alignment,send email.
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