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Old 03-28-08, 08:53 PM   #13 (Link)
 
warrensomebody
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Alias: wh
Loc: San Francisco
User: #10347
Since: Jul 2007
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Re: newecm.cal seems wrong


Anthony - Thanks for your explanation.

I know that this rise in the noise floor doesn't matter when measuring my subs, but I have also done a set of measurements of my tweeters (from a few mm away) using the same mic and cal file, and I see an identical rise in the response. The fact that this rise, in both the noise floor case and the close-mic'd high-frequency case, correlates with the dip in the calibration curve says to me that it really is that the calibration curve isn't correct for my mic.

So I'm tempted to go into the newecm.cal file and flatten out those datapoints so that I don't have to look at the rise anymore... unless this is a bad assumption, and it's really not possible to know whether the rise is real or calibration-related. ?


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