BLIND-HAMS Archives

For blind ham radio operators

BLIND-HAMS@LISTSERV.ICORS.ORG

Options: Use Forum View

Use Monospaced Font
Show Text Part by Default
Show All Mail Headers

Message: [<< First] [< Prev] [Next >] [Last >>]
Topic: [<< First] [< Prev] [Next >] [Last >>]
Author: [<< First] [< Prev] [Next >] [Last >>]

Print Reply
Subject:
From:
Lowell Miller <[log in to unmask]>
Reply To:
Blind-Hams For blind ham radio operators <[log in to unmask]>
Date:
Wed, 19 Jan 2005 17:08:01 -0500
Content-Type:
text/plain
Parts/Attachments:
text/plain (31 lines)
Hello Gary:
Yes, I am using the mic that came with my Sound Blaster Live card, so I
would think that it is proper.
I also have bought a power mic from Radio Shack for sound cards and it is no
better.
I am totally puzzled, to say the least.
Thanks and 73
Lowell  W8QIY
----- Original Message -----
From: "Gary Lee" <[log in to unmask]>
To: <[log in to unmask]>
Sent: Tuesday, January 18, 2005 10:41 PM
Subject: mic gain and soundcards


> Lowell:
>
> 1. Is the mic you are using an electrette type mic?
>
> In my experience, soundcards expect such a mic and have around 5 volts on
> the tip of the mic jack.
> Electrette mics have a very smalll output, and require that 5v or so to
> polarize the element.
>
> You could also have a terrible impedance missmatch.  I would pick up one
of
> the cheap computer headset mics from radioshack.  Last one I bought was
> around $4.00.  Give that a try, then let us know what happens.
>
> 73

ATOM RSS1 RSS2