Mic calibration file for Samson MM01 - Page 2 - Home Theater Forum and Systems - HomeTheaterShack.com

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post #11 of 20 Old 02-09-12, 09:47 PM
 
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Re: Mic calibration file for Samson MM01

Hmm, I am about to get a Samson MM 01 instead of Behringer ECM8000 because they are out of stock. No calibration needed I guess, for this mic?

thx
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post #12 of 20 Old 09-03-12, 12:11 PM
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Re: Mic calibration file for Samson MM01

Anyone made a calibration file for that Samson Mic????????
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post #13 of 20 Old 09-03-12, 04:33 PM
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Re: Mic calibration file for Samson MM01

Any measurement microphone without individual calibration data is of limited use. Highly recommend buying microphone with individual calibration, such as from Cross Spectrum.

Regards,

Andrew
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post #14 of 20 Old 09-03-12, 07:39 PM
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Yes, that's what I thought. The mic is discontinued and the device pairing with the mic is discontinued as well so that makes the microphone useless... Too bad...99$ wasted to drain...
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post #15 of 20 Old 09-03-12, 09:36 PM
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Re: Mic calibration file for Samson MM01

According to Cross-Spectrum site, basic calibration with return shipping (continental USA) starts at $55.
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post #16 of 20 Old 09-03-12, 09:54 PM
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As much as new microphone almost
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post #17 of 20 Old 09-03-12, 09:57 PM
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Re: Mic calibration file for Samson MM01

I have the same samson mic and the only reference calibration curve I found was from this topic. It is just an image but the curve is quite flat between 20hz to 3Khz, then unsignificant noise.

In this case do we realy need a calibration file for normal use? non professionnal.
Attached Thumbnails
Mic calibration file for Samson MM01-calibration-samsn-mm01.jpg  

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post #18 of 20 Old 09-03-12, 09:59 PM
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I would assume that radio shack microphone is no less accurate than this one above 3khz
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post #19 of 20 Old 09-03-12, 10:05 PM
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Re: Mic calibration file for Samson MM01

Quote:
rokus666 wrote: View Post
I would assume that radio shack microphone is no less accurate than this one above 3khz
less than +- 2db in HF +3Khz , you will never do correction of this type anayways
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post #20 of 20 Old 09-04-12, 12:59 AM
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Re: Mic calibration file for Samson MM01

Behringer prints similarly beautiful picture for response of ECM8000:

Name:  ECM8000 MFG response.jpg
Views: 1276
Size:  22.0 KB

Many individual calibrations reveal a different story:



Overall, most of this class of measurement microphones are stable, but details of component selection in the electronics, and in the electret microphone capsule make them all unique. Anybody trying to align levels of woofers and subs with these without individual calibration data is working with a wide margin of error. Likewise up above 2kHz. Very important perceptual assignments are made on fractions of a dB differences between 2kHz and 6kHz. Changing gain of 1/3rd octave or 1 octave EQ centered at 4kHz by 2dB is hard to ignore.

Regards,

Andrew
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