4 Ken-Rad 50L6 50L6GT Vacuum Tubes Black / Gray Glass Lot Of Four 8CG7 Radio Craftsmen It is a bit microphonic

It is a bit microphonic

They have 56-26 188-4 and 61-26 188-4 date/provenance codes

new in box Raytheon 6BA11 tubes tested to spec on our Paul Hart-calibrated TV7/U

oiled and keeping very good time

side-D getters

4 Ken-Rad 50L6 50L6GT Vacuum Tubes Black / Gray Glass Lot Of Four 8CG7 Radio Craftsmen It is a bit microphonicThis lot of four Ken Rad coated glass 50L6GT tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and transconductance. There were no shorts or gas. They measured 38, 58, 60 and 68 where minimum (65%) is 45. 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