[Elecraft] KX3 to Non-Elecraft Linear Amp

[Don Wilhelm]

Dan,

That looks like it should work fine.

73,
Don W3FPR

On 4/2/2019 11:50 AM, Dan Smith wrote:
>
> Thank you, Don.
>
> I think I have the Elecraft cable for the Keyline output/ACC2 as it 
> came with the cable pack that I purchased.
>
> >From this lead, I would connect the RCA to the RCA amp port on the 
> ARB 704 interface as the buffer step between the transceiver and the 
> amplifier as is the case with my base station, correct?
>
> Can you confirm that this will isolate the KX3 from the amp and not 
> cause any damage to either? Under normal/best case circumstances.
>
> Does this look right?
> Image
>
>
> Image
>
>
> Thank you so much for your help with this.
>
> 73,
>
> Dan
> N7DSX
>
>
>
>
> From: Don Wilhelm
> Sent: Tuesday, April 2, 7:45 AM
> Subject: Re: [Elecraft] KX3 to Non-Elecraft Linear Amp
> To: Dan Smith, elecraft at mailman.qth.net
>
>
> Dan, The KX3 has a KEYINE OUT output which will key your amplifier. It 
> is on the ring contact of the ACC 2.5mm jack. See page 5 of the KX3 
> manual. When you add the KXPA100, there is a "black box" on the KX3 to 
> KXPA100 cable set which brings that KEYLINE signal out to an RCA jack. 
> See the KXPA100 manual. So if you have only the KX3 now, you will have 
> to build a cable which takes the ring contact of a 2.5mm stereo plug 
> out to an RCA plug which you would connect to your amplifier. The KX3 
> KEYLINE output is rated to accept up to 30 volts and up to 100ma. 73, 
> Don W3FPR On 4/2/2019 10:04 AM, Dan Smith wrote: > I am looking to see 
> if anyone else has used an Ameritron AL811 with their > KX3 with 
> positive results. > > I plan on buying the KXPA100, but after buying 
> the Shack in a Bag, I will > need to put it off for a little bit. In 
> the mean time, I would like to try > using what I have, but I am 
> hesitant to try since the KX3 is new to me and > I don't want to harm 
> anything. > > I have a base station radio that plugs into the 
> Ameritron AL811 by way of > the ARB-704 and it works great with 70 
> watts going it to make 600 watts > going out. The ARB amp line is a 
> simple RCA jack from the ARB 704 to the > rear of the Amp, but the 
> radio cord is the Multi cord plugged into my base > station. I know I 
> can unplug the multi cord and use the RCA jack on the > back of the 
> ARB 704 "radio" input, but I am not sure where that will plug > into. 
> > > I know that I can only push 15 watts max into the Ameritron, but 
> wouldn't > that mean that I could get somewhere around 180 watts out 
> of it? Would it > work like that? > > I bought the cable pack from 
> Elecraft, so I am pretty sure I have > everything that I need to make 
> it happen, but I would love the advice of > someone on here that may 
> have already done this, or has good information on > why I should not 
> try this. I could also use help in which plugs to plug > where. > > 
> Thank you for any information that anybody may be able to give and 
> please > forgive me if this has been posted somewhere already. I have 
> done my best > to search for several days online and in this forum, 
> but I am not coming up > with any answers. > > 73, > > Dan > N7DSX > 
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