Matched Pair RCA 6DE4 Vacuum Tube Rectifiers Soundtrack was tested to spec on

was tested to spec on our Paul Hart-calibrated TV7/U

new in box Zenith 6HA5 / 6HM5 tubes tested to spec on our Paul Hart-calibrated TV7/U

It measured 70/82 where minimum (65%) is 56/56

All were made by Sylvania

The bottle is

Matched Pair RCA 6DE4 Vacuum Tube Rectifiers Soundtrack was tested to spec onThis matched pair of RCA 6DE4 rectifier tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They measured 71 and 73, respectively, where minimum (65%) is 50 and 100% is 77. They have gray plates; short bases; side O getters and crenelated, rectangular top and bottom spacers. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S NOT LISTED, WE MAY HAVE IT. PLEASE ALSO SEE OUT ETSY SISTER SITE