2 Ken-Rad Number / Type 19 #19 Vacuum Tubes Lot Of Two Output Tube Triode made on the same equipment

made on the same equipment by the same people

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

new in box GE 33GY7A tubes tested to spec on our Paul Hart-calibrated TV7/U

transconductance and gain

2 Ken-Rad Number / Type 19 #19 Vacuum Tubes Lot Of Two Output Tube Triode made on the same equipmentThis 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