[Elecraft] K3: CM500 vs. SB40

[N2TK, Tony]

Joe,
Tnx for the input. I made the changes to the transmit equalizer. But still
the CM-500 sounds better.
Thank goodness the SB-40 is cheap enough to put to the side.
73,
N2TK, Tony

-----Original Message-----
From: elecraft-bounces at mailman.qth.net
[mailto:elecraft-bounces at mailman.qth.net] On Behalf Of Joe Subich, W4TV
Sent: Tuesday, March 20, 2018 7:40 PM
To: elecraft at mailman.qth.net
Subject: Re: [Elecraft] K3: CM500 vs. SB40


 > My transmit equalizer is
 >
 > -16
 > -16
 > -7
 > 0
 > 0
 > +4
 > +10
 > 0
 >
 > Any thoughts or comments?

+4 at 1600 Hz and +10 at 2400 Hz are rather aggressive and may
contribute to the excess sensitivity to breath sounds.  I'd be looking at
+3, +5 (which represents 3 db/octave) or +2, +3 (close to 2 dB/octave)
instead of the almost 6 db/octave your settings represent.

Even the most aggressive of the "articulated" (aka, "DX") mics don't have
more than 6 or 7 dB boost at 3 KHz.

73,

    ... Joe, W4TV


On 3/20/2018 7:18 PM, N2TK, Tony wrote:
> I have been using a Yamaha CM500 for a few years and have been very 
> happy with it. I just bought a Koss SB40 as a backup. The Koss looks 
> like the Yamaha except the Koss doesn't use a biased mike element. 
> With the Koss I had to go to FP.H. Also my breath trips the Vox but I 
> have to have the mike gain and Vox gain quite a bit higher than the 
> Yamaha to get similar output for both mikes. I do have a somewhat bassier
voice.
> 
> My transmit equalizer is
> 
> -16
> 
> -16
> 
> -7
> 
> 0
> 
> 0
> 
> +4
> 
> +10
> 
> 0
> 
>   
> 
> Any thoughts or comments?
> 
> Thanks
> 
> N2TK, Tony
> 
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