Re: Electrets, Hey Scott

"Bob Cain" <arcane@xxxxxxxxxxxxxxxxx> wrote in message
news:df3for0lg5@xxxxxxxxxxxxxxxxxxxxx
>
>
> Actually, you can make them externally polarized. Just apply a voltage
> between diaphragm and back plate. The E field will add to whatever is
> there from the electret whether it's on the diaphragm or the plate.
>
Are you kidding?
(1) Good luck finding 1 gigaohm resistors to bias the capsual.
(2) Good luck finding somewhere to attach a wire to the diaphragm.

NS.


.

Relevant Pages

  • Re: Electrets, Hey Scott
    ... Failing that, would it be possible to convert them to externally polarized? ... apply a voltage between diaphragm and back plate. ... The E field will add to whatever is there from the electret whether it's on the diaphragm or the plate. ...
    (rec.audio.pro)
  • Re: budget mic/preamp question (transparency vs character/warmth)
    ... frequency of the diaphragm which can cause increased signal output. ... The increased voltage moves the diaphragm towards the back plate. ... The reported increase in sensitivity would ...
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  • Re: Electrets, Hey Scott
    ... apply a voltage between diaphragm and back plate. ... construction of the individual mic. ...
    (rec.audio.pro)
  • Re: Electrets, Hey Scott
    ... >apply a voltage between diaphragm and back plate. ... you'd have to replace the electret with a conductive backplate. ... C'est suisse, et tres, tres precis." ...
    (rec.audio.pro)
  • Re: Electrets, Hey Scott
    ... >> there from the electret whether it's on the diaphragm or the plate. ... an integral-FET capsule here. ... C'est suisse, et tres, tres precis." ...
    (rec.audio.pro)