RCA 1D8 1D8GT VT148 Vacuum Tube Valve Milspec NOS NIB 12BR7 Please refer to the pictures

Please refer to the pictures to confirm this album and its contents as my Russian is worse than bad

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

This beautiful gray and silver matched pair of type Sylvania type 59 tubes was tested our Paul Hart-calibrated TV7/U for shorts

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

This matched trio of RCA 6FQ7 / 6CG7 dual triodes was tested on our TV7/U for shorts

RCA 1D8 1D8GT VT148 Vacuum Tube Valve Milspec NOS NIB 12BR7 Please refer to the picturesThis 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