Matched Pair National Union NU 6F6GT JANCNU6F6GT Milspec Vacuum Tubes Valves Duodecar T26 This new old stock-testing matched

This new old stock-testing matched pair of Sylvania 6V6GT output tubes was tested on our Maxi-Matcher 2 for shorts

I am playing it it in my Bottlehead Crack headphone amplifier as I write and it sounds great

fortunately

This RCA 1L6 vacuum tube tested 19 on our Paul Hart-calibrated TV7/U where minimum (65%) is 16 and 100% is 25

This lot of six US-made 6W6GT tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Matched Pair National Union NU 6F6GT JANCNU6F6GT Milspec Vacuum Tubes Valves Duodecar T26 This new old stock-testing matchedThis matched pair of National Union milspec output tubes was tested on Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Tube One measured 68 while Tube Two measured 69 where minimum (65%) is 50 and 100% is. These are beautiful tubes! Both have LR batch codes. 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