4 RCA 6AB7 Vacuum Tubes Valves NOS NIB Lot Of Four Red Seal Records new in box Sylvania-MANUFACTURED

new in box Sylvania-MANUFACTURED

Tube Two: 35

I does not wind

This Raytheon (JAPAN) 12SN7GTA dual triode was tested on our Paul Hart-calibrated TV7 for shorts

Transconductance measured 2850 micromhos for Tube One with a current draw of 21

4 RCA 6AB7 Vacuum Tubes Valves NOS NIB Lot Of Four Red Seal Records new in box Sylvania-MANUFACTUREDThese four new old stock, new in box RCA 6AB7 tubes tested to spec on our Paul Hart calibrated TV7 U. IN 2021 WE PURCHASED 150,000 VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE "LOWTECHTWOO" AND OR CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO