[Elecraft] K2 headphone audio for sound card PSK31?

[Doug Person]

Usually disabling the built-in sound system in a PC is simple.  You go 
into the BIOS configuration and select disable in the list of devices.  
Do this first, then plug-in your soundcard and you shouldn't have any 
problems.

I do disagree with the statement that most built-in sound systems are 
inadequate for PSK31.  I think that would be the exception rather than 
the rule.  I have yet to find a built-in that has problems with PSK-31.  
I wouldn't want to attempt a Software-Defined Radio that relies on a 
computer's built-in sound system.  But the performance requirements for 
good PSK31 support is not all that demanding for modern PC's built 
within the last 3 or 4 years.

Doug -- K0DXV

Phil Kane wrote:
> On Tue, 14 Nov 2006 22:16:50 -0600, Cathy James wrote:
>
>   
>> What can I do to increase the audio output level of the K2 for sound
>> card purposes?
>>     
>
>  Others have made some suggestions but I'll add mine as responses
>  to their postings:
>
>  On Wed, 15 Nov 2006 07:41:57 -0500, Don Wilhelm wrote:
>
>   
>> You may want to look at something like the K2 Fixed Audio Output
>> that I have on my website http://w3fpr.qrpradio.com . I have a
>> few boards left, but no kits.
>>     
>
>   I can second that suggestion...I have installed it in my K2/100
>   and after my local builder ("I may look great but I don't see
>   well") worked out a problem of a less-than-perfect wire-to-connector
>   joint, I am super-pleased with it.
>
>   
>> Running PSK31 with AGC off is often a better way to operate.
>>     
>
>   I've asked this before - how does one turn the AGC off in a
>   K2/100?
>
> On Wed, 15 Nov 2006 07:49:19 -0800 (PST), Bernard Gaffney wrote:
>
>   
>> One other thing, if you're using your PC's
>> on-mainboard built in soundcard, consider using a
>> dedicated soundcard. Even a low end Creative soundcard
>> is infinitely better than the built-in card. And of
>> course, go to the manufacturer's web page and download
>> and install the latest driver updates.
>>     
>
>   We find things out the hard way -- Windows XP will not
>   recognize a separate soundcard unless the mainboard sound
>   system is disabled.  This was not acceptable for my
>   istallation.
>
>   The way I worked around that is to use an iMic adapter that
>   plugs into a USB port.  XP will then recognize that as a
>   separate sound system and permit both to operate simultaneously.
>   The iMic is readily available at places which casrry portable audio
>   stuff.
>
> On Wed, 15 Nov 2006 09:09:44 +0000, Julian, G4ILO wrote:
>
>   
>> You can take the audio output from the external speaker socket at the back
>> of the rig.
>>     
>
>   Prior to using Don Wilhelm's Fixed Audio Output option, that's
>   what I did.
>
>   I used a readily-available Y-splitter to pipe output to the
>   iMic (USB "soundcard") and to an outboard computer "multimedia"
>   speaker which had a volume control. That way I could use the
>   K2 for both digital (silent) and regular hamming, and not have
>   to adjust the K2's audio/RF gain controls back and forth.
>
> --
>    73 de K2ASP - Phil Kane
>    Elecraft K2/100   s/n 5402
>
>    From a Clearing in the Silicon Forest
>    Beaverton (Washington County)  Oregon
>
>
>
> _______________________________________________
> Elecraft mailing list
> Post to: Elecraft at mailman.qth.net
> You must be a subscriber to post to the list.
> Subscriber Info (Addr. Change, sub, unsub etc.):
>  http://mailman.qth.net/mailman/listinfo/elecraft    
>
> Help: http://mailman.qth.net/subscribers.htm
> Elecraft web page: http://www.elecraft.com
>
>
>