K3 settings for Yamaha headset

[Martin]

Elecrafters,
i'm preparing the clubstation for the CQ WW Contest. I get Audio-reports
saying the audio is sharp and narrow . I would like to set the K3 for a
good and readable audio. Would the Yamaha CM 500 users share their
settings? Thanks.



--

Ohne CW ist es nur CB..

73, Martin DM4iM
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[Nr4c]

Mic select rpl bias
Mic gain 17
Cmp 17

Good place to start.

Sent from my iPhone
...nr4c. bill

> On Oct 24, 2018, at 10:31 AM, Martin <[hidden email]> wrote:
>
> Elecrafters,
> i'm preparing the clubstation for the CQ WW Contest. I get Audio-reports saying the audio is sharp and narrow . I would like to set the K3 for a good and readable audio. Would the Yamaha CM 500 users share their settings? Thanks.
>
>
>
> --
>
> Ohne CW ist es nur CB..
>
> 73, Martin DM4iM
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> Post: mailto:[hidden email]
>
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[Nate Bargmann]

I've gotten good reports with the following:

Mic Gain 25
compression 10

I set rear panel bias on for the electret element.

My TX EQ is

0.05  -9
0.10  -6
0.20  0
0.40  +2
0.80  +4
1.60  +5
2.40  +2
3.20  -3

I use the same EQ settings for both the CM500 and for the MC-60
connected to the front panel connector.

As I occasionally get good audio reports, these settings must be really
doing something as I not only have a face for radio but a voice for CW
and a fist for FT-8.  ;-)

73, Nate, N0NB

--

"The optimist proclaims that we live in the best of all
possible worlds.  The pessimist fears this is true."

Web: http://www.n0nb.us  GPG key: D55A8819  GitHub: N0NB
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[Joe Subich, W4TV-4]

 > saying the audio is sharp and narrow .

"Sharp and narrow" generally means too much high frequency (1600 - 3200
HZ) audio and not enough mid range (400 - 800 HZ) audio.

With my CM-500 I use the following two sets of TX EQ:

          Normal operation     "DX"/Contest Operation

    50          -16                 -16
   100          -16                 -16
   200          - 8                 - 8
   400            0                   0
   800            0                   0
  1600           +3                  +5
  2400           +5                  +8
  3200           +6                 +10

The "normal" EQ is very similar to a typical "communications" mic or
the old Heil HC5 (3 dB/octave HF "boost") while the "DX" EQ is very
similar to the Heil HC4 "DX" element (5 dB/octave HF "boost").  The
DX/Contest setting is a bit "sharp" and I would not use it every day

73,

    ... Joe, W4TV


On 2018-10-24 10:31 AM, Martin wrote:
> Elecrafters,
> i'm preparing the clubstation for the CQ WW Contest. I get Audio-reports
> saying the audio is sharp and narrow . I would like to set the K3 for a
> good and readable audio. Would the Yamaha CM 500 users share their
> settings? Thanks.
>
>
>
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[Jim Brown-10]

On 10/24/2018 11:51 AM, Joe Subich, W4TV wrote:
> "Sharp and narrow" generally means too much high frequency (1600 - 3200
> HZ) audio and not enough mid range (400 - 800 HZ) audio.

Or that the other station is confusing ham radio with broadcasting. Some
hams want to hear full bass -- that's fine if signals are strong with no
QSB, but sucks power that can be better used for communication when
conditions aren't great between you and your QSO partner.

My recommended settings for most voices with the CM500 and other "flat"
mics is for maximum cut of the three lowest bands (50, 100, 200), 6 dB
cut of the 4th (400 Hz), the 7th band (2400 Hz) boosted 3 dB, and the
8th (3200 Hz) boosted 3-6 dB.

On 10/24/2018 10:14 AM, Nate Bargmann wrote:

> Mic Gain 25
> compression 10

NO!  Numerical control settings are the WRONG way to set Mic Gain and
Compression. Rather, Mic Gain should be set for full power on voice
peaks with no compression. The "right" Mic Gain setting depends on how
loud you talk and how close the mic is to your mouth. An ideal position
for the mic is a few inches above and to the side of the mouth. This
minimizes breath pops and allows drinking coffee and munching, but is
also close enough to minimize room noise. Once that is "right," COMP
should be set for indicated 10dB of Compression on the LED display on
voice peaks.

73, Jim K9YC



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[Martin]

Elecrafters, thanks for the input.



--

Ohne CW ist es nur CB..

73, Martin DM4iM
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