Ok, so, lets supouse it is a capacitor, so that pin should be ? + or -?

Should i leave de cap?

By "the ring" of the plug (stereo) you mean the center conector or the
one that is close to the wire?

Thanks

Mauricio Jancic
Janso Desarrollos
Microchip Consultant
(54) - 11 - 4542 - 3519

-----Original Message-----
From: pic microcontroller discussion list
[mailto:PICLIST@MITVMA.MIT.EDU] On Behalf Of Rick C.
Sent: Jueves, 16 de Octubre de 2003 20:08
To: PICLIST@MITVMA.MIT.EDU
Subject: Re: [EE]: How to adapt a dynamic mic


Most professional mics have the same pinout. Pin 2 +, pin 3 -, pin 1
shield on the XLR connector. Output is balanced, low impedance. Your
sound card has two pins, unbalanced, high impedance. Depending on your
sound card and drivers there should be enough audio level to be
sufficient. Tie pin 1 and 3 to the shield or ring of a 1/8 plug obviosly
using a single conductor shielded cable. Tie pin 2 to the tip of the 1/8
jack. If there isn't sufficient audio, you may have to use a mic preamp.

Remember to go to the record menu to set the levels. When you bring up
the playback default menu, go to the options or preferences and check
the record option.

That "diode" is probably a rf bypass capacitor.

Rick C. WTRM-FM

Mauricio Jancic wrote:

> Hello,
>         I have a SENNHEISER microphone and would like to adapt it to
> my PC sound card. It apears to be a dynamic mic. It has tree wires one

> to the case of the mic, and the other two from 2 coils around it. It
> also has a series diode(?) on one of the wires (actually I'm not shure

> it is a diode, but the case is similar to the 1N4148 trhu hole case)
>
>         Anyone knows how to do this?
>
> Best regards
>
> Mauricio
>

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