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1 tube burns brighter than others


anthony

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got 4 power tubes, brand new combo amp. 1 tubes glowing a little brighter than the others. Supposedly their matched so they all should be running the same. What do you guys think?

 

 

ones getting hotter than the others, as long as ur amp sounds fine it shouldn't be an issue. there might be less air ventelation, or maybe the tube is different, but if the amp sounds fine it shold be fine, unless it overheats

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if its filaments, there may be nothing wrong. I've had tubes with some change in visible filament brightness. If the larger area of the tube is brighter red, you have problems. If the glow is a orange or violet when vol high, the tubes may glow slightly diff in brightness not always a defect.

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