Raytheon 50L6 50L6GT Vacuum Tube Valve Black Bottle NOS NIB Backup T40 They tested as follows: 56

They tested as follows: 56 and 58 where minimum (65%) is 395 and 100% is 60

short bases

Transconductance: 2710 micromhos

Tube One: 31

Raytheon 50L6 50L6GT Vacuum Tube Valve Black Bottle NOS NIB Backup T40 They tested as follows: 56This new old stock, new in box Raytheon black bottle 50L6GT 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