5 General Electric GE 33GY7 33GY7A Vacuum Tubes Valves NOS NIB Lot Of Five NOS-Testing They measured 46

They measured 46

70/50 and 72/60 where minimum (65%) is 50/40 and 100% is 77/62

new in box Zenith 6ME8 tubes tested to spec on our Paul Hart-calibrated TV7/U

This lot of six RCA gray glass 6K6GT tubes were tested on our Maxi Matcher 2 with 325 volts on the plates and a bias of --36 volts for shorts

5 General Electric GE 33GY7 33GY7A Vacuum Tubes Valves NOS NIB Lot Of Five NOS-Testing They measured 46This lot of five new old stock, new in box GE 33GY7A tubes 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