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- Dec 15, 2012
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I still think it was the amps they were in blowing these tubes. Khragon I haven't tried them in my amps yet because the amps don't have regulated filament
voltage. The first amp I will put them in will be Tony's I know they will be safe with regulated filament voltage. And this amp will be the same as yours.
I don't want to put them in a amp that the voltage can go over 5 if the line voltage is hot when I put them in.
Got mine to climb over 6V (turned off immediately so not sure what's the max) at a setting when others (EML/Black Treasures) were just perfect at 5V. I think the filament resistance was a little bit off.
Mine running at 5V so far so good, at ~800 hrs. I noticed that they do take time (`30 min) to reach full steady state/max current draw.
Much better than the Black Treasures and EML300B XLS, but am interesting to hear Glenn's take versus WE/SE/TA.