1) send a serial command ^on1 via the USB port.  This is what the KPA1500 
Utility does.  The amp can process a few commands like this when “off”. The 
KPA1500 Remote program can also do this, via the USB connector. ^on0 turns the 
amp off.

2) supply 12v DC to a rear panel RCA connector. This can be used with a K3 to 
power the amp on with the K3, but any source of 12v will do.

3) pull down (ground) pin 8 on the ACC connector.  Pull it down briefly.

4) send a Wake on LAN “magic packet” via the Ethernet connector.  WoL must be 
enabled with a menu option.    The KPA1500 Remote program does this when 
connected to the amp via Ethernet. 

73 de Dick, K6KR



> On Mar 18, 2019, at 19:38, Jorge Diez - CX6VM <[email protected]> wrote:
> 
> hello
> 
> what are the diferent ways to turn KPA1500´s on/off remotely?
> 
> Is there any way to turn it on/off alone, with no need to turn on/off the K3?
> 
> For example i want to turn on K3, but want to have KPA1500 off, is there any 
> way to do that?
> 
> thanks,
> Jorge
> CX6VM/CW5W
> 
>       Libre de virus. www.avast.com
> 
>> El jue., 14 mar. 2019 a las 22:08, Dick Dievendorff (<[email protected]>) 
>> escribió:
>> Some do this with an RCA cable from the K3 rear panel 12v line to the amp 
>> REM connector. The amp turns on and off with the rig.  Current draw is 
>> minimal; you can also use the same K3 12v to power your P3.
>> 
>> 73 de Dick, K6KR
>> 
>> > On Mar 14, 2019, at 17:57, Charlie Wirth <[email protected]> wrote:
>> > 
>> > Hello:
>> > 
>> > I recently purchased a KPA-1500 amplifier.  I would like to be able to 
>> > turn on the amplifier remotely.  The manual says to apply 12v to the REM 
>> > jack.  I was wondering if anyone is doing this and what they are using to 
>> > apply the 12 volts.
>> > 
>> > Thanks,
>> > 
>> > Charlie W3DDF
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> 
> -- 
> 73,
> Jorge
> CX6VM/CW5W
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