Western Electric 347A Vacuum Tube Mesh Plate ST Shoulder Shape Albert Haas MD new in box premium GE

new in box premium GE Five Star 6203 tested to spec on our Paul Hart-calibrated TV7/U

new in box matched pair of RCA 6AK5 tubes was tested on our Paul Hart-calibrated TV7/U tester for shorts

WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES

Three tested 40 and the rest measure in the mid 40s

gas and emissions

Western Electric 347A Vacuum Tube Mesh Plate ST Shoulder Shape Albert Haas MD new in box premium GEThis Western Electric 347A will be tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. Hopefully there will no shorts or gas. It measured where minimum (65%) is and 100% is . It has a nifty, old fashioned Coke bottle; D getter, excellent flashing and what appears to be a US Navy logo on the base. 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