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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