6 Philco 5X8 Vacuum Tubes Valves NOS NIB Lot Of Six Sigmund Freud Transconductance measured (From left to

Transconductance measured (From left to right): 36

This new old stock-testing RCA clear top

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

new in box GE 10DE7 tubes tested to spec on our Paul Hart-calibrated TV7/U

5 -- maybe an eight -- out of ten

6 Philco 5X8 Vacuum Tubes Valves NOS NIB Lot Of Six Sigmund Freud Transconductance measured (From left toThese 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