[Elecraft] K2 Why MH2 mic seems dead

[Eugene Balinski]

Electret Condenser mic elements are typically very
sensitive to their mounting location.  A small movement the
element can make a huge difference in the sound. You may
get better performance if you move the element to the front
of the foam directly to the rear of the mic screen...

73
Gene K1NR

  On Fri, 28 Jun 2013 12:22:24 -0700 (PDT)
 k7nhb <designer at quickdata.com> wrote:
> I've been reading posts about the MH2 mic and have had my
> own struggles with
> it. Is it common knowledge that the mic pickup element is
> only effective
> when talking into the top scree on the mic? If I talk
> into the front screen
> with SSBA at 1, it doesn't pick up a think. When I set
> SSBA to 2 or 3 is
> does pick up audio but I think that's because it is so
> sensitive it is also
> picking it up from the top.
> 
> When I opened the mic, I saw the mic element in foam, in
> a compartment below
> the top screen and practically isolated from the screen
> if front of the mic.
> In fact, that front screen looked like it was just a
> plastic facade.
> 
> Is that how mics are suppose to be made? My only guess
> is, by putting the
> capture area on top, it avoids speaking directly into the
> mic if you are
> expecting it to pick up via the front screen.
> 
> I have that 600 ohm dynamic Kenwood mic that is often
> used with the SGC-2020
> (up/down buttons on top). I thought about replacing the
> MH2 with it - mainly
> because its slimmer profile would allow it to fit in the
> Pelican case with
> the K2.
> 
> Can someone tell me it that Kenwood would be a direct
> replacement or would I
> have to rewire something. It doesn't have a model number
> on it but I think
> it is MC-43s. What about audio quality - the K2 is only
> the QRP-ish model.
> 
> Thank you and 73,
> Paul K7NHB
> 
> 
> 
> --
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>
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> Nabble.com.
>
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