2 Sylvania 6GS7 Vacuum Tubes Valves NOS NIB Lot Of Two 6DS4 Nuvistor new in box black plate

new in box black plate National Union 1N6G tube tested to spec on our Paul Hart-calibrated TV7/U

Transconductance readings are indicated on the tops of the tubes

Add $20 for US dependencies and $50 for the rest of the world

This gilt-edge

2 Sylvania 6GS7 Vacuum Tubes Valves NOS NIB Lot Of Two 6DS4 Nuvistor new in box black plateThese two new old stock, new in box Sylvania 6GS7 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 ITEMS UP