Lindal 31JS6 31JH6C Vacuum Tube NOS NIB

Lindal 31JS6 31JH6C Vacuum Tube NOS NIBThis new old stock, new in box GE 31JH6C tube tested to spec on our Paul Hart calibrated Hickok 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

This new old stock-testing matched trio of Sylvania 6N6G tubes was tested on our Paul Hart-calibrated TV7/U for shorts

Special Features: none

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

beautiful side flashing

This lot of two Cunningham industrial-grade 1852 (6AC7) tubes was tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing United Electron 31LQ6 tube tested 120 on our Paul Hart-calibrated TV7/U

new in box National Union 35/51 tube tested to spec on our Paul Hart-calibrated TV7/U

Transconductance measured 45 in Section One and 50 in Section Two for Tube One and 50/44 in Tube Two where minimum (65%) is 50/50 and 100% is 77/77

Each has six mica snubbers for increased resistance to vibration

was made in China

This Ken-Rad 5V4G rectifier tube was tested on our Paul Hart-calibrated TV7/U

This tube is built like a tank and in great shape as well