Raytheon 3DG4 Vacuum Tube Valve NOS NIB With Wiley And Sons with a very low noise

with a very low noise floor and excellent soundstaging

I am playing them in my Art Sound 805 mono blocks with Miles Davis' seminal "Midnight Blue" album and they sound terrific

I am playing it using an adapter (not included) in our Dynaco Stereo 70

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

Raytheon 3DG4 Vacuum Tube Valve NOS NIB With Wiley And Sons with a very low noiseThis new old stock, new in box Raytheon CK1035 gas diode tube tested to spec. 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 $250 IN VALUE. IF AN ITEM