Raytheon 40KG6 Vacuum Tube Valve NOS NIB 8CG7 Radio Craftsmen This new old stock-testing matched

This new old stock-testing matched pair of RCA clear top 12HG7 tubes was tested on our Paul Hart-calibrated TV7/U (on the 12BY7 setting) for shorts

It has a dimpled sheet getter

Transconductance measured 74 for Tube One and 76 for Tube Two where minimum (65%) is 58

Transconductance: 1400 / 1762

Raytheon 40KG6 Vacuum Tube Valve NOS NIB 8CG7 Radio Craftsmen This new old stock-testing matchedThis new old stock, new in box Raytheon 40KG6 tube 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