Cunningham 35 #35 / 51 #51 Vacuum Tube Mesh Plate ST Shoulder Style NOS NIB 6EM7 Octal They have steel plates

They have steel plates

new in box GE 33GY7A tubes tested to spec on our Paul Hart-calibrated TV7/U

new in box US-made 22KV6 / 22KV6A tubes tested to spec on our Paul Hart-calibrated TV7/U

it has no gross issues such as hum or microphonics and will work excellently in your audio device that calls for a 12AT7

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

Cunningham 35 #35 / 51 #51 Vacuum Tube Mesh Plate ST Shoulder Style NOS NIB 6EM7 Octal They have steel platesThis new old stock, new in box Cunningham 35 51 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