RCA 6BK7 6BK7B Vacuum Tube Valve NOS NIB For Your Schiit GM Delco These three milspec Hytron JAN-CHY-0C3

These three milspec Hytron JAN-CHY-0C3 VR-105 VT-200 regulator tubes were tested on our Paul Hart-calibrated TV7/U

It has 9AX date codes

It tests below the cusp

They measured 52

RCA 6BK7 6BK7B Vacuum Tube Valve NOS NIB For Your Schiit GM Delco These three milspec Hytron JAN-CHY-0C3This new old stock, new in box RCA 6BK7B tube tested to spec on our Paul Hart calibrated TV7 U. I have played it in my Schiit Audio Vali 2 headphone amplifier and it sounded great. This variety has gray, winged plates with one rectangular hole per plate; copper support rods; shields between triodes to eliminate crosstalk; great flashing and goal post getters. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO