SYLVANIA6SN7 GTBusedSYLVANIA 6SN7 GTB platinum matched  quad s&h******PLATINUM MATCHED TUBES(WELL BALANCED IN TRANSCONDUCTANCE (gm) AND PLATE CURRENT(Ip). ******TUBES WERE TESTED TWICE,1st) NO SHORTS,NO GAS AND TRANSCONDUCTANCE WHERE 2100/2100 uSIEMENS IS THE A...135.00

SYLVANIA 6SN7 GTB platinum matched quad s&h

Listing ID: LIS2ICC2 Classified 
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Ships fromBelleville, NJ, 07109
Ships toUnited States
Package dimensions?" × ?" × ?" (1.0 lbs.)
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******PLATINUM MATCHED TUBES(WELL BALANCED IN TRANSCONDUCTANCE (gm) AND PLATE CURRENT(Ip).

******TUBES WERE TESTED TWICE,1st) NO SHORTS,NO GAS AND TRANSCONDUCTANCE WHERE 2100/2100 uSIEMENS IS THE AVERAGE VALUE FOR 6SN7 USING HICKOK 536 TUBE TESTER & 2nd) AUDIO TESTED NO HUM,VERY LOW NOISE AND NON-MICROPHONIC ON A MODIFIED DYNACO PAS.

******PLATINUM MATCHED QUAD SYLVANIA 6SN7GTBPHONO GRADE TUBES,,US MADE,TIGHT,MEDIUM BASE,VERY CLEAN PINS,SOME HAVE OFF-BRANDED AND SOME HAVE THE PRINT RUB-OFF BUT GUARANTEED SYLVANIA MADE TUBES.FIRST QUAD HAVING,
TUBE1)2900/3000 & 8.0/8.2 ma
TUBE2)3000/3000 & 7.9/8.1 ma
TUBE3)3000/3000 & 8.2/8.5 ma
TUBE4)3050/3100 & 8.2/8.2 ma uSIEMENS AND PLATE CURRENT. FOUR(4) QUADS AVAILABLE.

>>>>>NOTE:Without test data is blindfold buying an AD THAT SAY'S "test good" OR "test strong" in vacuum tubes is not enough.

******QUESTIONS ARE ALWAYS WELCOME.WE HAVE ALSO A LOT OF VINTAGE PAPER IN OIL CAPACITOR SPRAGUE,WESTCAP AEROVOX,ASTRON,DEARBORN.

******FREE SHIPPING WITH TRACKING# WITHIN USA.INTERNATIONAL BUYERS IS LESS $6.00 FROM ACTUAL SHIPPING.NO PAYPAL FEES.TUBES ARE GUARANTEED FOR 7 DAYS UPON ARRIVAL.

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