[Elecraft] Microphone suggestions for K3

[Fred Jensen]

Very interesting discussion.  I'm not a SSB op but I do listen some and 
occasionally chat with friends.  On my P3 with a fairly narrow span, I 
notice that a lot of signals [like most] seem to have most of their 
power concentrated close to the suppressed carrier frequency.  From the 
discussion here, I get the impression that the microphone is the primary 
driver of the transmit audio spectrum.  I use a K3 with a Yamaha CM500 
and have the TX EQ set to K9YC specs and my spectrum is fairly flat, 
maybe a little weakish in the lows.  I don't know if equalizers are 
common in contemporary radios but it seems that one can correct a mic 
deficiency with one?

73,

Fred ["Skip"] K6DGW
Sparks NV DM09dn
Washoe County

> Joe Subich, W4TV <mailto:lists at subich.com>
> Tuesday, June 24, 2025 6:04 PM
>
> On 2025-06-24 5:44 PM, bill kipping via Elecraft wrote:
> > but the best is the choice is the  Shure 450, dual impedance with a
> > wider frequency response
>
> No, the best choice is the 444D.  You *DON'T WANT* a "wide frequency
> response" mic for communications.  The 444/444D response is tailored
> specifically for SSB communications and paging purposes - i.e., maximum
> voice "punch".
>
> 73,
>
>    ... Joe, W4TV
>
>
>
>
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> bill kipping via Elecraft <mailto:elecraft at mailman.qth.net>
> Tuesday, June 24, 2025 2:44 PM
> The 444 is HiZ, the 444D is dual Z, high and low. The mobile versions 
> 404C is HiZ the 404B is LowZ, but the best is the choice is the Shure 
> 450, dual impedance with a wider frequency response
> BillKE7KK
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> Jim Brown <mailto:jim at audiosystemsgroup.com>
> Tuesday, June 24, 2025 11:33 AM
>
>
> Lo-Z.
>
> 73, Jim K9YC
>
>
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> Steve Lawrence <mailto:slawresh at gmail.com>
> Tuesday, June 24, 2025 8:36 AM
> There appears to be a LowZ and HiZ variations of the Shure 444 
> available in addition to the handheld version 404 and the 414. Which 
> is appropriate for the K3 (KX3, KX2)?
>
> Otherwise, I like the idea of a “communications specific” microphone 
> tailored for a good voice intelligibility on SSB and new ones appear 
> to be rare, specifically with published response curves. So many are 
> mystery microphones with unstated acoustic/electric details.
>
> Steve
> AA8AF
>
>
>
>
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> Ken WA8JXM <mailto:wa8jxm at gmail.com>
> Monday, June 23, 2025 8:58 PM
> Yes the Shure 444 is a good mic, mine dates back to when I bought my Drake
> T4x almost 60 years ago.
> Ken WA8JXM
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