[Elecraft] Signalink and K3

[RIchard Williams via Elecraft]

Rather than buying a Signal Link, If one wants an external sound card of good quality (and stereo), I would think the Asus Xonar U7 USB sound card  ($80 or so) would be a good choice.  For PTT I believe you can use a RS-232 cable to the K3 and set DTS or RTS line to PTT.   Have not tried this yet, but I think it would work fine with Winmore.
Dick, K8ZTT 
 

     From: "dmoes at nexicom.net" <dmoes at nexicom.net>
 To: elecraft at mailman.qth.net 
 Sent: Tuesday, November 11, 2014 12:26 PM
 Subject: Re: [Elecraft] Signalink and K3
   

Jim  and Jorge

I was merely answering Jorge's  question.  perhaps I should have 
given better advice and steered Jorge away from signal link  as you 
did. I do agree that a signalink or similar is far from ideal and  
even less so on the K3 as it would be doubling up on the isolation 
transformers that are already part of the KIO3 board in the K3 
possibly leading to additional loss in quality.

so to Jorge Diez  here is my revised answer!

  Forget the signal link, Rigblaster or other commercial fit all rigs 
type solution.  get a good high quality sound adapter like the tascam 
from B&H as stated in Jims article  you will be way better off this 
way for decoding and encoding for psk, rtty SSTV and  more important 
JTXX, WSPR etc. than the users of the mediocre commercial  "fit all 
rigs" solutions and at a better price.  I think setting up with this 
would actually be simpler than mucking about with the jumpers etc of 
the signalink  there is no need for a PTT connection either as most 
digial software will handle this via command or vox.  keep it 
available for a foot switch.

 I am using an old M-Audio mobile pre USB  that was retired from field 
recording sound effects.  its perfect for this use.  I believe it was 
Jim's article some years ago that lead me this way and I'm glad I did.

PS  B&H  is a great source for this kind of stuff  I use them for most 
of my audio and photo needs.
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