These are K9YC’s settings along with a procedure for setting compression level. The info is all from discussions on this list. Several years ago, a bunch of people shared their TX EQ settings. A few were out in left field, but most were very similar to this.
This is written for the KX3, but the K3 TX EQ is the same. https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/ <https://observer.wunderwood.org/2015/09/09/transmit-audio-and-compression-with-the-elecraft-kx3/> wunder K6WRU Walter Underwood CM87wj http://observer.wunderwood.org/ (my blog) > On Jun 17, 2021, at 9:55 AM, AL7CR <[email protected]> wrote: > > Please list your TXEQ settings. > > On Thu, Jun 17, 2021, at 12:42 AM, Jim Brown wrote: >> Heil products are wildly overpriced and highly over-rated. No ham needs >> a boom mic headset better than a Yamaha CM500, which sounds great both >> in the headphones and one the air, is very comfortable, costs about $60, >> and has ZERO RFI issues. I'm a Fellow of the Audio Engineering Society, >> have a storage room full of great mics far better than anything Heil >> makes, do very serious contesting. and I've used nothing but the CM500 >> for more than ten years. What pro audio folks say about Bose applies >> equally to Heil -- "better sound through marketing." >> >> The CM500 plugs straight into the back of an version of a K3 (and >> probably a K4), and I'll be happy to list TXEQ settings that make it >> sound FAR better than Heil headset mics. >> >> I've been a member of the AES Standards Committee Working Group on >> Microphones for almost 30 years, and I've never met Bob Heil or anyone >> from his company. That should tell you something about how >> "professional" he and his company are. :) This whole thing about "I did >> sound for XXX rock band is, as my Black friends would say, "a whole >> bunch of shuck and jive." >> >> 73, Jim K9YC >> >> On 6/16/2021 8:36 PM, Drew Arnett wrote: >>> Shield of mic jack goes to bare metal Elecraft thoughtfully left on >>> the chassis metal. 10 nF shunt to ground. (Need to see where that >>> is, but hopefully SMT and with very small loop area.) Sheet 9: >>> https://ftp.elecraft.com/KX3/Manuals%20Downloads/KX3SchematicDiagramDec2012.pdf >>> >>> Heil suggests on their tips page generous ferrite choking of all 3 >>> leads of their Y adapter cable: >>> https://heilhamradio.com/support/tips/ >>> >>> Drew >>> n7da >>> >>> On Thu, Jun 17, 2021 at 3:23 AM Drew Arnett <[email protected]> wrote: >>>> >>>> Hi, >>>> >>>> In the KX3 for Field Day department, we plan to use it for the GOTA >>>> station for phone on HF. (Yes, will have antennas not on top of each >>>> other and bandpass filters on ALL radios.) Would be great to setup >>>> with a headset and foot switch. >>>> >>>> Last weekend, I used my KX3 barefoot on 6 and with a >>>> transverters-store.com transverter (also barefoot) for 2. 6m antenna >>>> was 2 elements about 15 ft above the ground and 2m antenna 6 elements >>>> at 10 feet above the ground. >>>> >>>> I worked a couple of contacts on 2m phone with the headset. Later, >>>> when I tried to use the headset for phone on 6, seemed like I was >>>> having a feedback problem. Cabling was the stock cabling that comes >>>> with the Heil Pro 7 headset and a footswitch. Monitor was on and set >>>> to 4. >>>> >>>> So, ALC didn't indicate anything at the normal level (60), and >>>> increasing it very abruptly caused horrible sounding audio. (Yes, >>>> acts like positive feedback.) >>>> >>>> I have a small electret mic on a 1/8 plug thing I bought some time ago >>>> from the computer store. (Meant at the time for adding mic to >>>> laptops.) I have a 1/8" audio extension cable for it. I plugged that >>>> in instead of the headset mic and it seemed to act normally. >>>> >>>> Is this purely an RF from the TX antenna getting into the mic audio >>>> problem or is it something else? >>>> >>>> Best practice to avoid this problem? >>>> >>>> On my todo list: >>>> - ask here >>>> - look at KX3 schematic to see if it has RF ingress mitigation on the mic >>>> jack >>>> - ask Heil >>>> - unplug the Heil mic element and gator clip my cheap electret mic on >>>> instead and try on 6m in driveway with identical antenna/mast/radio >>>> setup >>>> - look for or assemble an RF filter to inline with the mic jack (tough >>>> to do with this little time >>>> before field day) >>>> >>>> Thanks and best regards, >>>> >>>> Drew >>>> n7da >>>> >>>> ps. Other than this, KX3 was great in the VHF test. Worked great >>>> with the transverter on 2 and was a lot of fun running barefoot with >>>> the sporadic E opening Saturday afternoon & evening. >>> ______________________________________________________________ >>> 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] >>> >> >> ______________________________________________________________ >> 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] >> > ______________________________________________________________ > 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] ______________________________________________________________ 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]
