[Elecraft] K3: ModMic boom mic

[charlie carroll]

Ed:
Also spend some time with the TX EQ settings on your K3.  I had the help 
of a couple friends who know my voice very well.  I don't remember the 
exact numbers but the 2 or 3 low frequency bands were rolled off a bit.

I've used this mic in various contests for about 3 years.  Always get 
positive comments about excellent audio.

73 charlie, k1xx/vp2mmf


On 4/1/2018 3:44 PM, Edward R Cole wrote:
> Quick report on AntlionAudio ModMic:
>
> I bought model 5 which has both omni and cardiod pattern mic 
> elements.  After a little K3 Manual study: page 55 for MIC SEL options
> I chose to try using the 3.5mm rear mic jack; ModMic comes with stereo 
> 3.5mm so questioned if it would work in mono jack.
> tip = cardiod element
> ring = omni element
> base ring = ground
>
> I checked on-line to find that both require 1-10v bias so 8v bias from 
> K3 works great
> MIC SEL: rP.L biAS
> tap 2 to toggle bias on
> tap1 was left in Low
>
> How to key radio:  rear PTT IN (female RCA-Phono) not in use with my 
> radio
> Alt key;  My Heil CM10 desk mic has a breakout with 1/4-inch phono 
> receptacle for a foot switch - used that (works whether front or rear 
> mic selected)
>
> So I key the radio, observe ALC and RF power on a Bird and va la there 
> is modulation.  Level is higher with omni element selected.
> No "on-air" quality test at this point.
>
> I attached the boom mic to my "old trusty" SONY MDR-V600 stereo 
> headset.  Neat part is boom is held with a strong miniature magnet so 
> easy to remove mic and store In nice foam zippered case supplied with 
> the ModMic.  Also has mic mute button and extension cord, spare 
> stickered bases and cable clips.
>
> Next to test with KX3 (I will need four ring wye to two 3.5mm jacks 
> extension - I believe obtainable from Elecraft).
>
> PS: CM-500 still in transit
>
> 73, Ed - KL7UW
>   http://www.kl7uw.com
> Dubus-NA Business mail:
>   dubususa at gmail.com
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