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   rec.audio.pro      Professional audio recording and studio      276,752 messages   

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   Message 276,725 of 276,752   
   Scott Dorsey to toby@tobiah.org   
   Re: Mic noise and sensitivity   
   04 Dec 25 19:43:53   
   
   From: kludge@panix.com   
      
   In article <10gsa0o$d26a$1@dont-email.me>, Tobiah   wrote:   
   >The Rode NT1-A lists an "Equivalent Noise Level" of 5 dBA.   
      
   This is meaningless and cannot be compared between other microphones because   
   no two manufacturers measure under the same conditions.   
      
   >So I can look at that figure, and compare it to other mics.   
   >But then I thought, what about sensitivity?  If the noise   
   >figure measures the raw noise level coming into the preamp,   
   >then a high sensitivity mic would have a larger signal to   
   >noise ratio, making the self noise figure meaningless on   
   >its own.  Or does the noise figure take that into account   
   >somehow?   
      
   The noise level should be the noise just of the microphone, which under   
   most conditions is going to swamp the noise of the preamp unless the   
   microphone sensitivity is so very very low.   
   --scott   
      
   --   
   "C'est un Nagra. C'est suisse, et tres, tres precis."   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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