General Electric GE 6203 Five Star Vacuum Tube Industrial NOS NIB CK1032 Weird gas and emissions

gas and emissions

These tubes have four shiny copper support rods

This matched pair of Sylvania gray glass 7C5 tubes was tested on our Maxi-Matcher 2 with 400 volts on the plates and a bias of -36 volt for shorts

Tube Two measured 3120/27

This RCA Cunningham Radiotron number / type 80 rectifier tube was tested on our Paul Hart-calibrated TV7/U

General Electric GE 6203 Five Star Vacuum Tube Industrial NOS NIB CK1032 Weird gas and emissionsThis new old stock, new in box premium GE Five Star 6203 tested to spec on our Paul Hart calibrated TV7 U. 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 EXCEPT MEDIA MAIL ARE AUTOMATICALLY INSURED UP TO $100. ETSY PURCHASE PROTECTION COVERS ITEMS UP