Sparks from 6AS7G tube

Colonl_Charisma · 1178

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Offline Colonl_Charisma

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on: April 04, 2021, 08:09:12 PM
Tonight, I had a rather scary experience. I powered up my Crack to listen to some music when my Tung Sol 6AS7G started making audible noise and then released sparks inside the tube. This is the same tube that had made some noise in the past, but it stopped after I let it burn for awhile.

I put my old Russian 6AS7G tube in and the amp seems fine. Music is playing normal too.

Could this be due to an issue with my Crack or a tube gone bad?


Ross

Offline Paul Birkeland

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Reply #1 on: April 05, 2021, 05:16:20 AM
If the Crack works OK with other tubes, this is likely an issue specific to that particular 6AS7G.

Paul "PB" Birkeland

Bottlehead Grunt & The Repro Man

Offline Colonl_Charisma

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Reply #2 on: April 05, 2021, 05:37:30 AM
Thanks Paul! My Crack has been working well since switching back to my old tube.

Ross

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