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RE: Svetlana KT88- Black gettering

Posted by Jim McShane (D) on June 20, 2008 at 21:13:59

In Reply to: Svetlana KT88- Black gettering posted by Cory M. on June 20, 2008 at 19:51:53:

"I just got a brand new, matched pair of Svetlana KT88s. One of them has a very noticeably black getter burst. I thought this was usually indicative of a tube being overheated, and whitish getters mean there's been air introduced in the envelope."

No, it has nothing to do with the tube being overheated.

"I got these from a reputable source, and they assured me that "this is a variation of individual manufacturing, and is just fine." If nothing else, this is a cosmetic flaw for an amp with exposed tubes. I've never had any tubes with this type of discolored getter."

Black getter coloring is completely normal, and in fact a black getter DOES work better than a silver one. Look at the page I linked to below for more info.

It is not a flaw, the seller is being straight with you.

• Getter Info   (Open in New Window)

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