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Tube Burnout?


koula901

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Posted

I have a 5 watt Epi Valve Jr head, left the power on and walked away from it. Apparently, it was on for about 4 hrs, I think I might have burned some tubes or something - it made an extremely loud hum sound, stopped, and did it again awhile later. It was hot. Do u guys think I may have burned some tubes out? How do I check? Have no clue about these things.

Posted

I have a 5 watt Epi Valve Jr head, left the power on and walked away from it. Apparently, it was on for about 4 hrs, I think I might have burned some tubes or something - it made an extremely loud hum sound, stopped, and did it again awhile later. It was hot. Do u guys think I may have burned some tubes out? How do I check? Have no clue about these things.

A toasted Power Tube can do just that; but they often don't display obvious physical signs when this happens.

 

Do you have a spare El84 on hand you can try?

Posted

A toasted Power Tube can do just that; but they often don't display obvious physical signs when this happens.

 

Do you have a spare El84 on hand you can try?

 

Nope, but maybe it's time to buy one. Thanks kbp810! : )

Posted

He would be the guy who knows best! Besides, I've heard of lots of people who hot rod the Epi' Valve Jr's. Might be a good chance for you to do just that! :icon_thumright:

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