2 Ken-Rad Number / Type 19 #19 Vacuum Tubes Lot Of Two Output Tube Triode This matched pair of RCA

This matched pair of RCA triple mica 6CL6 tubes were tested on our Paul Hart-calibrated TV7/U for shorts

This new old stock-testing matched pair of 1960s vintage Sylvania Fat Boy EL34 / 6CA7 tubes was tested on our Maxi-Matcher 2 tube tester with 400 volts on the plates and a bias of -36 volts on the grids for shorts

This hard cover book is in good condition

Raytheon CK1123 Raysistor Control Circuit NOS NIB

new in box Zenith 6JH8 tubes tested to spec on our Paul Hart-calibrated TV7/U

2 Ken-Rad Number / Type 19 #19 Vacuum Tubes Lot Of Two Output Tube Triode This matched pair of RCAThis lot of two Ken Rad MANUFACTURED number 19 tubes was tested on our Paul Hart calibrated TV7 U for shorts, gas and emissions. There were no shorts or gas. They measured 30 34 and 38 37 where minimum (65%) is 25 25 and 100% is 38 38. They have engraved hot stamped bases. One is Wards branded and the other is Zenith. Their internal structures are all the same, though they are labeled differently. WE HAVE SCORES OF THOUSANDS OF VACUUM TUBES. IF IT'S