6 Philco 5X8 Vacuum Tubes Valves NOS NIB Lot Of Six Sigmund Freud mesh plate tubes tested 42

mesh plate tubes tested 42 and 50 on our Paul Hart-calibrated TV7/U where minimum (65%) is 25 and 100% is 38

Transconductance measured (From left to right): 36

48 and 49 where minimum (65%) is 25

new in box Italian Sylvania 12SN7GTA dual triode was tested on our Hickok 600A for shorts

This black plate Sylvania 5Y3GT rectifier tube was tested on our Paul Hart-calibrated TV7/U for shorts

6 Philco 5X8 Vacuum Tubes Valves NOS NIB Lot Of Six Sigmund Freud mesh plate tubes tested 42These six new old stock, new in box Philco 5X8 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 UP TO