Matched Pair National Union NU 6F6GT JANCNU6F6GT Milspec Vacuum Tubes Valves Duodecar T26 This Dutch Amperex ECC83 /

This Dutch Amperex ECC83 / 12AX7 dual triode was tested on our Paul Hart-calibrated TV7/U for shorts

I am listening as I write and this album sounds nice with only an occasional click and pop

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

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

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

Matched Pair National Union NU 6F6GT JANCNU6F6GT Milspec Vacuum Tubes Valves Duodecar T26 This Dutch Amperex ECC83 /This 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