Sigh.....

Tubes Asylum

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One of my Penta Labs kt88's has a crack in the glass. I've just noticed it and powered down the amp. The tube is still hot but it feels like a ridge protruding out of the tube. I've never seen this in any of my other tubes before. I am going to pull the other 7 and inspect them as well. I've included a couple of photos of this abnormality. Please look at them and let me know what you think. Thanks
Greg

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Topic - Sigh..... - GregS 12:49:18 03/26/06 (5)

Re: Sigh..... - GregS 08:28:09 03/31/06 (0)

I don't believe it is a crack. - sser2 19:21:58 03/26/06 (1)

Re: I don't believe it is a crack. - GregS 21:32:45 03/26/06 (0)

Penta Labs KT88 - GregS 13:37:25 03/26/06 (1)

Check under a loupe? - mpathus 23:46:02 03/26/06 (0)

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