2 Ken-Rad Number / Type 19 #19 Vacuum Tubes Lot Of Two Output Tube Triode Raytheon CK1123 Raysistor Control Circuit

Raytheon CK1123 Raysistor Control Circuit NOS NIB

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

It has an engraved / stamped base

anode radiators for cooler tube operation and longer life and 312 5126 and 312 5052 provenance/date codes

2 Ken-Rad Number / Type 19 #19 Vacuum Tubes Lot Of Two Output Tube Triode Raytheon CK1123 Raysistor Control CircuitThis 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