Pair of 5U4GB tubes that test 56-56/40 & 59-58/40 on my TV-7D tester (calibrated 1/27/24). Brand new tubes should test 62-62/40 or higher. These are strong. Tested for shorts, emission and noise.

These tubes are used and have plenty of life left. Date codes are June 1961 and June 1962 and they have Black plates and D-getters.

See the pictures for condition and ask questions. I do not accept returns unless the items are not as described.

I’m in the process of listing thousands of tubes. If you want something in particular message me to see if I have it. Thanks!