sIFR letters narrower than original font

I am using corporate(expensive) font-family Gotham. The problem i'm having is that the sIFR font is slightly narrower that the original fonts which doesn't do the font j开发者_JAVA技巧ustice.

Is there a reason for this? Is there anything i can do about it?

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Don't know, but it sounds like a Flash issue, not immediately a sIFR issue.