*****SELLING WORLWIDE*****
>>>>RARE SYLVANIA 6SN7 GTB,NOS,Same date codes,PLATINUM MATCHED QUAD (well-balanced triode-triode & tube-tube in transconductance & plate current), 97-99% GREEN LABEL/PRINT VISIBLE.We have enough collection to GIVE A PLATINUM MATCHED tubes.TUBES ARE SUPPLIED IN NEW SYLVANIA BOX.Shipping is within 5 days or less.TESTED TWICE,
*****1st) NO SHORTS,NO GAS AND WELL-BALANCED TRIODES IN TRANSCONDUCTANCE & PLATE CURRENT(PLATINUM MATCHING).WITH HICKOK TUBE TESTER WHERE 2100/2100 uSIEMENS IS MINIMUM.
*****2nd) TUBES ARE NOT USABLE UNLESS THEY ARE LIVE AUDIO TESTED WITH NO HUM & NON-MICROPHONIC.TESTED USING MODIFIED DYNACO PAS 3 & TUBE OTL..
Having a minimum of,
TUBE1) 96/98 uSIEMENS & 10.6/10.7 ma
TUBE2) 95/100 USIEMENS & 10.6/11.0 ma
TUBE3) 96/100 uSIEMENS & 10.9/11.0 ma
TUBE4) 96/100 uSIEMENS & 10.4/10.9 ma
WHERE 50/50 IS MIMIMUM AND NOS
START AT 79/79 uSIEMENS WITH DAN NELSON'S newly calibrated TV7 TESTER.
*****TUBES WITHOUT TEST RESULT IS NOT SOUND DECISION & LISTING ADS THAT SAY'S "NOS","test good" or "test strong" IN VACUUM TUBES IS NOT ENOUGH AND AVOID SURPRISES.
.****** INTERNATIONAL SHIPPING IS BY USPS PRIORITY MAIL.
*****BEWARE OF CLONED/FAKE RUSSIAN MADE SYLVANIA 6SN7'S.
******PLEASE CHECK MY OTHER COOL AUDIO STUFF.
*****QUESTIONS ARE ALWAYS WELCOME.