3 Philco 10DE7 Vacuum Tubes NOS NIB Lot Of Three Trio November 25 2025 Stock Number 0158 rheostat

Stock Number 0158 rheostat

new in box Sylvania 19BG6G tubes tested to spec on our Paul Hart-calibrated TV7/U

Tube One measured 45/40 while Tube Two measured 52/50 where minimum (65%) is 40/40 and 100% is 62/62

46 and 49 where minimum (65%) is 30 and 100% is 46

This Sylvania 6B4G tubes was tested on our Hickok Paul Hart-calibrated TV7/U for transconductance

3 Philco 10DE7 Vacuum Tubes NOS NIB Lot Of Three Trio November 25 2025 Stock Number 0158 rheostatThese three new old stock, new in box Philco 10DE7 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