[Elecraft] Now which mic can I use.

[Michael Walker]

Let me add my 2 cents.

I heard so much crap audio this weekend, that all I can recommend is that
you use a Mic element purpose designed for the job of SSB QRP
communications.  I have recordings of good and bad examples that I will
assemble into something useful at some point.

I heard guys with big wide signals that I could not understand who were
running lots of power.  I also worked many QRP guys with amazing audio that
was correctly shaped for SSB.  Don't kid yourself, that $2 computer mic,
while it sounds ok locally doesn't cut it when you need your signal to be
understood.   This is not about FM full range audio.  This is about being
heard and understood.

Bob Heil spent lots of time designing the right mic element for SSB
communications.  He did this with input from Bell Labs.   Leo Laporte did a
great interview with Bob where he describes why he did it.

Since you asked, my choice every time is the HC5 with the right cables.
Keep a close eye on your ALC settings too.  Your KX3 will work just fine
and you will be heard.

73, Mike va3mw


On Sun, Oct 26, 2014 at 9:08 PM, Don Wilhelm <w3fpr at embarqmail.com> wrote:

> Tim,
>
> You can use many headsets and microphones with the KX3 - *IF* you are
> willing to build an adapter.
> I have my homebrew adapter for the CM500 headset that works just fine, but
> if you are not able/willing to build your own adapter, order the Elecraft
> MH3 microphone - it works just fine.
>
> Computer type microphones and headsets can be made to work, but because
> the tip and ring are connected together, there is some special
> considerations to be had when choosing the bias - they work OK with bias
> turned off, but then will be using the source for digital voltage in the K3
> to bias the microphone which can cause noise in the signal.  While it will
> work, a proper adapter will provide better quality results.  That is why I
> built the adapter for my CM500.
>
> 73,
> Don W3FPR
>
> On 10/26/2014 5:14 PM, Timothy Gordish wrote:
>
>> I have several microphones on hand and wondering if any will work with my
>> soon to be order KX3.
>>
>> My preference is a Heil Pro-Set Plus which has two crystal elements and a
>> phase reverse switch.  By far the most comfortable headset I have ever
>> use.  Can I use these with an appropriate adapter?
>>
>> Then I have a Yaesu HT speaker mic with the correct 4 conductor connector
>> used with a VX-5.
>>
>> Then I have a headset with the same connector which I used with a HP
>> netbook.  Cheep but sufficient.
>>
>> Will any of these work, or should I just order the Elecraft hand mike?
>>
>>
>>
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