4 Sylvania 5Z4 Vacuum Tubes Valves Rectifier Lot Of Four The Cultures Of likely by GE

likely by GE

This perfectly-matched pair of GE nickel plate 6AU6 tubes was tested on our Paul Hart-calibrated TV7/U for shorts

new in box Zenith 25Z5 tubes tested to spec on our Paul Hart-calibrated TV7/U

Enhanced Cooling: yes

4 Sylvania 5Z4 Vacuum Tubes Valves Rectifier Lot Of Four The Cultures Of likely by GEThese four Sylvania 5Z4 rectifier tubes were tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. They tested 46 52, 49 47, 51 51 and 52 52 respectively, where minimum (65%) is 40 40. 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