*****SELLING WORLDWIDE*****
>>>>THESE ARE PLATINUM MATCHED PAIR triode-triode & tube-tube in transconductance and plate current.Within 6% or less.
*****PAIR SYLVANIA 6SN7 GTB STRONG TESTING,USED,TIGHT NO CRACK BASES, UNBRANDED FOR OTHER COMPANIES TO PUT THEIR OWN BRAND or GLASS PRINTED LIKE THOSE SAMPLE PIC 3&4 WHICH CAN BE EASILY RUB.TUBES ARE GUARANTEED MADE BY SYLVANIA. PIC 3&4 ARE NOT FOR SALE IN THIS LISTING.TUBES WERE FULLY TESTED.TUBES ARE THE SAME QUALITY AS THE BRANDED SYLVANIA FOR LE$$.CLEAN OCTAL PINS.TUBES ARE SUPPLIED IN BOXES.
****TESTED TWICE;
*****1st) NO SHORTS,NO GAS AND WELL-BALANCED TRIODES IN TRANSCONDUCTANCE & PLATE CURRENT(PLATINUM MATCHING).WITH HICKOK TUBE TESTER.
*****2nd) TUBES ARE NOT USABLE UNLESS LIVE AUDIO TESTED.LOW NOISE & NON-MICROPHONIC USING TUBE OTL & MODIFIED DYNACO PAS 3.
>>>>> Having a minimum of,
TUBE1) 92/94 uSIEMENS & 11.1/11.5 ma
TUBE2) 92/93 uSIEMENS & 11.2/11.5 ma
WHERE 50/50 IS MINIMUM AND NOS START AT 77/77 uSIEMENS with Dan Nelson newly calibrated TV7
*****TUBES WITHOUT TEST DATA / RESULT IS NOT SOUND DECISION & LISTING ADS THAT SAY'S "test good" or "test strong" WITHOUT or HIDDEN TEST RESULTS? IN VACUUM TUBES IS NOT ENOUGH AND AVOID SURPRISES,INVEST WISELY.
****** WORLDWIDE SHIPPING WILL BE BY USPS REGISTERED MAIL.
******PLEASE CHECK MY OTHER COOL AUDIO STUFF..
*****QUESTIONS ARE ALWAYS WELCOME.