> Fri Sep 6 00:47:24 EDT 2013
> Rob Studdert wrote:
> 
> On 6 September 2013 03:08, Igor Roshchin <str at komkon.org> wrote:
> >
> > Hi Matthew,
> >
> > Thanks for sharing this one.
> > I see that some reviews and questions to the answers suggest that the
> > microphone is designed to be powered (although not with the phantom
> > mic
> > power? - sounds weird?).
> > I understand that if you use it with a computer, you need to enable
> > the
> > "microphone boost" option.
> >
> > It is not a problem by itself, but depending on the device you are
> > planning to use it with, you may have some difficulties with the level
> > of the signal.
> 
> Condenser or capacitive mics (which this obviously is) need
> pre-amplification close to the module and ao require power. Larger
> mics are often battery powered, balanced pro-mics use Phantom power.
> This type of mic is supplied DC from the mic socket and is generally
> termed Plug-in Power, of course not all devices provide this mic
> power.
> 
> http://www.bhphotovideo.com/insights/blogs/pro-audio/using-lavalier-microphones-recorders.html
> 
> http://support.pentaximaging.com/node/616
> > 
> Cheers,
> 
> -- 
> Rob Studdert (Digital  Image Studio)


Thank you, Rob for the reference.
While knowing that condenser mics require power, I just have never
spent a moment to think about that in relation to the fact that the 
computers and recorders must provide that via the input port.

Now, I am curious, and couldn't find the answer by googling:
"Boost" in Windows' microphone settings, - does it turn on the plug-in
power, or does it really boost the sound card (pre-) amplifier?


A curious thing:
While reading and searching, - I also discovered, that apparently, Macs
have (had?) a special microphone with a special 3.5mm (aka 1/8") plug:
http://www.directproaudio.com/shop/accessories/guide/microphone-sound-card.cfm#Macintosh


Igor


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