3 Sylvania JHS-5823 5823 Vacuum Tubes Milspec NOS NIB Lot Of Three

3 Sylvania JHS-5823 5823 Vacuum Tubes Milspec NOS NIB Lot Of ThreeThis lot of three new old stock, new in box Sylvania milspec JHS 5823 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

new in box GE 17BR3 / 17R-K19 tubes tested to spec on our Paul Hart-calibrated TV7/U

There are five US-made 6N7 tubes in this lot

This matched pair of Philips Miniwatt PCL82 / 16A8 triode-pentodes s was tested on our Paul Hart-calibrated TV7 for shorts

gas and transconductance with 400 volts on the plates and a bias of -48 volts

5 or so out of ten

There are nine new old stock

64 and 72 where minimum (65%) is 45 and 100% is 69

new in box Super Silvertone 50L6GT rectifier tube tested to spec on our Paul Hart-calibrated TV7/U

new in box GE 12HG7 / 12GN7 tube tested to spec on our Paul Hart-calibrated TV7/U

46 and 52 where minimum (65%) is 35

This industrial-grade Sylvania 5932 / 6L6WGA output tube was tested on our Maxi-Matcher 2 for shorts

though two are labeled "Philco