[PD] [ot][really ot] microphone amplifier

[Martin Schied]

Hi,

maybe your electret mic had no power? Like other condenser mics (it's 
actually a kind of condenser mic) it needs to have a small power source. 
See following page for more info on microphone powering:

http://www.epanorama.net/circuits/microphone_powering.html

Martin

mrz wrote:
> hello, thanks for all the replies!
>
> This won't work with the AK1, because the level of those electret-mics 
> is to low. The mic-input in AK1 is working for other mics like dynamic 
> mics or condensator mics. Or am i missing something? (I'm not really 
> educated in microphonics.)
>
> Anyway, I found now my fast workaround: -(because the performance will 
> be in less than 2 weeks, and I have to hack telephons and a lot of 
> other stuff)- The cheap microphon goes into my mp3-player and will be 
> amplified there in monitor mode and goes direct into the Audio Kontrol 1.
>
> thanks again- When I have the time I build this "amp-circuit"..
>
> cheers
> moritz
>
>
> On Thu, Jun 11, 2009 at 3:25 AM, PSPunch <shima at pspunch.com 
> <mailto:shima at pspunch.com>> wrote:
>
>
>     Hi,
>
>
>     I use an AK1 myself.
>     It has two inputs channels, one with a mic preamp (and also 48V)
>     built in it.
>
>     For your "cheap mic" (mono I suppose?) it is likely that all you
>     need is an adapter to convert it to the relevant size... 1/4inch
>     or XLR. Pop it into input channel 1 and select the input source to
>     "MIC" using the front button.
>
>     If your "stereo mic" is one of those that are battery operated and
>     has 1 output connector, it is likely you will need a connector to
>     split the output to feed the two inputs in front of the AK1.
>
>     And last, if your stereo mic is NOT battery operated, you will
>     probably need at least one external mic preamp cause the AK1 has
>     only one built in.
>
>     If you can send me a photo of the mic including the connectors, I
>     maybe able to forward you to the necessary adapters.
>
>
>         hei,
>         I have a question not directly related to PD. But since this
>         list is my favorite audio and device-hackers list I ask it here.
>         (maybe you can refer me to a nice list about topics like that.)
>         I have some microphones - a very cheap small microphone and a
>         stereo mic- they work fine to record into my mp3-player.
>         But I want to record directly with those mics into pd trough
>         my soundcard (audio kontrol 1). And it's not amplified.
>         How can i build a hardware amplifier for those mics- or buy
>         something like that? any suggestions?
>         (I prefer to buy something- since I have to hack allready a
>         lot of other devices...)
>
>         thanks for any hints
>         cheers
>         [moritz~]
>
>
>         ------------------------------------------------------------------------
>
>
>
>         _______________________________________________
>         Pd-list at iem.at <mailto:Pd-list at iem.at> mailing list
>         UNSUBSCRIBE and account-management ->
>         http://lists.puredata.info/listinfo/pd-list
>
>
>
>     _______________________________________________
>     Pd-list at iem.at <mailto:Pd-list at iem.at> mailing list
>     UNSUBSCRIBE and account-management ->
>     http://lists.puredata.info/listinfo/pd-list
>
>
>
>
> -- 
> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
> http://www.moritzwettstein.com
> . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .
>
> ------------------------------------------------------------------------
>
> _______________________________________________
> Pd-list at iem.at mailing list
> UNSUBSCRIBE and account-management -> http://lists.puredata.info/listinfo/pd-list
>