RCA 1D8 1D8GT VT148 Vacuum Tube Valve Milspec NOS NIB 12BR7 (New US-made 6V6s typically test

(New US-made 6V6s typically test with plate current from the mid-teens to mid 30s with transconductance from 2300 micromhos or so

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

new in box milspec Sylvania JAN-0A2WA tube -- and another just like it -- tested to spec on our Paul Hart-calibrated TV7/U

They measured 31 and 32 where minimum (65%) is 28 and 100% is 43

RCA 1D8 1D8GT VT148 Vacuum Tube Valve Milspec NOS NIB 12BR7 (New US-made 6V6s typically testThis new old stock, new in box milspec RCA 1D8GT VT 148 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 CALL OR TEXT US AT 202 372 6931 IF YOU DO NOT SEE WHAT YOU NEED OR HAVE ANY QUESTIONS. 1. MOST OF THE TUBES WE SELL ARE OVER 70 YEARS OLD. WE CANNOT GUARANTEE FOR FAILURES AFTER POWER UP AS THERE IS NO WAY TO DETERMINE HOW TUBES WILL INTERACT WITH YOUR