3 General Electric GE 1622 / 6L6 Industrial Vacuum Tubes Valves Lot Of Three 7676 7977 This new old stock-testing matched

This new old stock-testing matched pair of Sylvania 6AU6A tubes was tested on our Paul Hart-calibrated TV7/U for shorts

It measured 60/57 where minimum (65%) is 40/40 and 100% is 62/62

new in box 7F8 tubes tested to spec on our Paul Hart-calibrated TV7/U

Otherwise it is sold as-is

Oh Sweetheart

3 General Electric GE 1622 / 6L6 Industrial Vacuum Tubes Valves Lot Of Three 7676 7977 This new old stock-testing matchedThese GE 1622 tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. Transconductance measured 28, 37 and44 where minimum (65%) is 25. These are ultra low noise, selected 6L6s. 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