[Elecraft] K3 to KAT500

[tom armour]

So I ordered my K3 after this discussion and decided not to get the AUX cable.  
Now subsequently there is new firmware that makes me want the AUX cable (I would have got it from Elecraft if I had know of the new firmware).  
If I order it from Elecraft it now costs ~$46 including shipping and waiting a week to get it.  
I can get this cable locally: http://www.qvs.com/specs/CC320M1-xx_S.jpg
Will that work for the AUX cable?  
K3 #7999KAT500 #1099
Thanks
73 - Tom - wa4ta

> Date: Fri, 24 Jan 2014 16:04:41 -0800
> From: jim at audiosystemsgroup.com
> To: elecraft at mailman.qth.net
> Subject: Re: [Elecraft] K3 to KAT500
> 
> On 1/24/2014 3:52 PM, tom armour wrote:
> > If I buy a K3/100 without auto tuner and a KAT500 is there any additional cable I need (other than coax) to connect the two together?
> 
> Some folks feel the need for an AUX cable to tell the KAT500 what band 
> it is on. I don't, because the KAT500 has a very fast frequency counter 
> that can figure that out with a short burst of RF.
> 
> > or does KAT500 come with all cable beeded to connect it to the K3?
> 
> Yes.
> >   I see a cable for KAT500 to KPA500 but not to the K3.
> 
> Yes. To prevent damage to its relays, the KAT500 must be able to 
> interrupt the keying line to any power amp that is used.  It has an RCA 
> input, and an RCA output. So ONLY if you're running an amp, you need an 
> RCA-RCA between rig and KAT500, and another between KAT500 and power amp 
> PTT.
> 
> > Is there anything I'll be missing with the KAT500 vs the internal tuner other than portability?
> 
> QRP autotune  -- the KAT500 is optimized for high power, and doesn't 
> autotune very well below about 10W.
> 
> 73, Jim K9YC
> 
> 
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