[Elecraft] [K3] How much compression for contest use?

[Iain MacDonnell - N6ML]

There's a separate setting for line-in gain, which is adjusted using
the "MIC" control when "MAIN:MIC-SEL" is set to "line-in". Compression
and TX EQ still apply (in phone modes).

A good reason to route audio though the computer would be to utilise
software "digital voice keying", where you can have the computer
record your voice (on the fly), and play it back.

The CM500 works well for this, as it's designed to work with sound
cards, where the Heil HC-4 (etc) elements require a lot of "boost" to
drive a sound card mic input.

    ~Iain / N6ML


On Fri, Oct 29, 2010 at 10:10 AM,  <nr4c at widomaker.com> wrote:
> I use my CM500 on 'RP.L bias' with mic gain set to around 12-15 and
> compression less than 20. I get good audio, and good power out. it
> just plugs right in the real panel jacks. My TX EQ is set to -16 -16
> -16 +3 0 0 0 0 (I think this is right).
>
> Could you explain why you are going thru a sound card to the LINE IN
> on the K3? I never considered this approach, and am wondering if the
> regular mic Gain/COM controls even work on this input. How about the
> TX EQ, does it work on this input as well?
>
> Curiouser and curiouser.
>
> ...bc
>
>
> Quoting Pete Smith <n4zr at contesting.com>:
>
>> I am setting up for a couple of phone contests this fall. With the
>> Yamaha headset through a sound card to the line input on the K3 I am
>> currently setting compression at 22, which gives me occasional
>> excursions on the CMP meter to around 8. A small sampling says it
>> sounds fine but "a little thin."
>>
>> What CMP setting do you use in contests?
>>
>> --
>> 73, Pete N4ZR
>>
>> The World Contest Station Database, updated daily at www.conteststations.com
>> The Reverse Beacon Network at http://reversebeacon.net, blog at
>> reversebeacon.blogspot.com,
>> spots at telnet.reversebeacon.net, port 7000
>>
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