Guy, Thanks for the tip, and a couple others who say the same thing. I'll forget using ALC and use the internal power levels per band for driving the amp.
Thanks all and 73, Darrell AB2E Date: Thu, 2 Apr 2015 23:00:35 -0400 Subject: Re: [Elecraft] Question K3 ALC w/SPE Expert 1.3K-FA amp From: [email protected] To: [email protected] CC: [email protected] Do not use ALC to throttle K3 power levels. Regardless of what amp manufacturers say, ALC used in that fashion is one of the worst generators of splatter and key clicks around. They say that to keep amps from being blown up by severe overdrive and returned under warranty. Just don't connect it. Power levels are remembered by band/mode/ant on your K3 and you can set power output for safe clean rated operation of your amp. 73, Guy K2AV On Thursday, April 2, 2015, AB2E Darrell <[email protected]> wrote: Hello all, I am the proud new owner of a new K3. I am also the proud new owner of an SPE Expert 1.3K-FA solid state amp, and I have a question for the group regarding interfacing the K3 to the amp. My current setup is using my Icom 756 Pro III with the SPE Expert 1.3K-FA. The recommended setup for Icom was to connect both the Relay and ALC cables between the rig and amp. This is because the software in the amp automatically reduces the power in the rig to the best output level for the amp (on the amp LOW=500W out= 3W drive, MID= 1000W out= 6W drive, HIGH = 1500W out = 9W drive). It works flawlessly. Actually, I could leave the power on the Pro III untouched, and the amp reduces the power accordingly. My question for the group is, is there a way to allow the K3's output to be controlled by the amp? I see the note on p27 about not using an amp to control the K3's output, but wonder if there is a safe way to do it. For instance, could the K3 be set to say 15W out on all bands via the menu, then allow the amp to control the output via ALC for optimum drive? Any info and comments appreciated. 73 Darrell AB2E ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected] -- Sent via Gmail Mobile on my iPhone ______________________________________________________________ Elecraft mailing list Home: http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/mmfaq.htm Post: mailto:[email protected] This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to [email protected]
