4 Sylvania 6GX6 6GY6 Vacuum Tubes Valves NOS NIB Lot Of Four RCA 6X8 NOS NIB 7 milliamps and transconductance was

7 milliamps and transconductance was 1510 micromhos for Tube One

Sides Two and Five are missing

This Westinghouse 25AV5GT tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

new in box Mullard-MANUFACTURED

where minimum (65%) is 29 and 100% is 45

4 Sylvania 6GX6 6GY6 Vacuum Tubes Valves NOS NIB Lot Of Four RCA 6X8 NOS NIB 7 milliamps and transconductance wasThese four new old stock, new in box Sylvania 6GX6 6GY6 tubes tested to spec on our Paul Hart calibrated TV7 U. WE HAVE SCORES OF THOUSANDS OF 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 FORMS OF SHIPPING EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS