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Tested a couple of 6lq6's on a sencore TC 142 and read 110 on one and 115 on the other.

I've read that between 70 and 100 should mean the tube is excellent to nos.

Does anyone know first hand if this is correct? Thanks. 73. Ps I've also read the best test is to use them in the application for which there intended. I will do exactly that over the weekend. There for a ten tube phantom.