DIY Frequency Response mic?

[Boscoe]

I wondered if a regular PC mic can be used to mesaure requency response and if theres any cheap software out the to do it? Also do I fix the output wattage on the amp measure the power then adjust it to the right voltage then leave it for the hole response recording?

Thanks
Boscoe

 

[richie00boy]

No, their frequency response is not flat enough.

 

[cbdb]

You will find very few mics flat out to 20khz (especially of axis) unless you want to spend a few $k. If you can test the mic or get one that comes with an actual f response plot that was measured (not generic to the model ) you can use it to determine your speaker response. (you also need to get rid of the room effects)

 

[nac134]

Behringer makes a calibrating mic for about a hundred bucks thats very flat. Its made for measurement purposes only, which is why it can be made for cheap. If you want a flat music mic, that will cost you thousands.

 

[davygrvy]

Look at one using the panasonic WM60-AY electret capsule which is hella cheap and works great.

http://www.speakerbuilder.net/web_files/Articles/diymic/diymicmain.htm

 

[cbdb]

Behringer makes a calibrating mic for about a hundred bucks thats very flat.

Cool, didnt know about that one.

 

[davygrvy]

don't buy the Nady one; it's crap

If you want to get serious with accuracy, a calibration service can measure your ECM8000 and give you a correction file. http://www.cross-spectrum.com/measurement/mike_meas.html

 

[deathbravo]

maybe the pc mic could be use with a calibration curve, but where to calibrating it