National Union NU 1N6 1N6G Vacuum Tube Valve NOS NIB T32 it has a top D

it has a top D getter: a micanol base for resistance to heat

5-8 out of ten

These matched quad of RCA milspec JRC-6H6 / 6H6 / VT-90 6H6 tubes was tested on our Paul Hart-calibrated TV7/U

This album sounds very good only with occasional pops and ticks

These tubes have black

National Union NU 1N6 1N6G Vacuum Tube Valve NOS NIB T32 it has a top DThis new old stock, new in box black plate National Union 1N6G tube 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