General Electric GE 3CZ3 3CZ3A Vacuum Tube Valve NOS NIB 10DE7 NOS NIB milspec Sylvania GB-6X4WA was tested

milspec Sylvania GB-6X4WA was tested on our Paul Hart-calibrated TV7/U for shorts

This RCA 807 output tube was tested with adapters on our Maxi-Matcher 2 for shorts

new in box Sylvania 7A6 tubes tested to spec on our Paul Hart-calibrated TV7/U

They measured 45

It measured 58/50 where minimum (65%) is 40/40 and 100% is 62/62

General Electric GE 3CZ3 3CZ3A Vacuum Tube Valve NOS NIB 10DE7 NOS NIB milspec Sylvania GB-6X4WA was testedThis GE 3CZ3A tube 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 TO $250 IN VALUE. IF AN ITEM IS