4 Sylvania 14C5 Vacuum Tubes Valves NOS NIB Lot Of Four Jo March David Wish I knew who actually

Wish I knew who actually made them

CHINA IS AN EXCELLENT EXAMPLE

perfectly-balanced 70/70 where minimum (65%) is 50/50 and 100% is 77/77

This GE 30MB6 tube tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made number / type 89 tubes tested to spec on our Paul Hart-calibrated TV7/U

4 Sylvania 14C5 Vacuum Tubes Valves NOS NIB Lot Of Four Jo March David Wish I knew who actuallyThese four new old stock, new in box Sylvania 14C5 tubes tested to spec on our Paul Hart calibrated TV7 U. All were made by Sylvania although one is labeled "Philco." 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