I use the Heil ICM which has the electret element but still have to use a good bit of compression or the average power is very low. Otherwise local stations will comment my audio is low and need more mic gain. Jim K4JAF
----- Original Message ----- From: "ab2tc" <[email protected]> To: <[email protected]> Sent: Thursday, August 19, 2010 7:23 PM Subject: Re: [Elecraft] K3 : SSB modulation > > BTW, the recommended Heil element for the K3 is the "IC" electret element. > This is what I am using with my proset. I am very surprised about the lack > of punch you experience with the K3 transmitter. > > AB2TC - Knut > > > Laurent HAAS - F6FVY wrote: >> >> Hi >> >> We are the proud owners of 6 K3/100 used at the FY5KE contest station. >> These radios has been delivered around mid-2008 and their serial numbers >> are in the 012xx range. >> >> After using mostly these rigs for SSB contesting in FY5KE or in other >> places, we are still facing a lack of "dynamics", "punch", >> "penetration", "power", whatever you call it. In other words, when >> comparing this rig to our radios we previously used (TS-850), with the >> same microphone (Heil HC-4 element) and the same output RF power, the K3 >> is clearly way behind in term of "average power" we can read on the Bird >> wattmeter wired on its RF output. Even if observing the wattmeter needle >> is not a very scientific measurement (we admit it), various comparative >> reports on the air do confirm our feeling. >> >> We spent time on various available settings (mic gain, compressor level, >> etc), with no luck, excepted a very distorted and awful audio to roughly >> reach the same level, which is not acceptable. >> >> After a little Googling, it appears that other contesters suffers the >> same issue (e.g. www.bavarian-contest-club.de/projects/K3_english.pdf >> pages 6 and 10). >> >> Some questions : >> >> - Do other contesters (or not) here have noted the same problem ? >> - What settings did you modified (or not) to achieve a good result ? >> - Is there any possible HW or SW upgrade we aren't aware of, that could >> help us ? >> >> We must confess we are currently preparing our next contest season, and >> we are seriously considering reselling these radios and bring others >> Japanese models if we can't solve this problem, despite we really >> appreciate them in many other aspects (size, weight, etc.). >> >> 73 >> >> For the FY5KE/Win-Test team, >> >> Larry - F6FVY >> <snip> >> > > -- > View this message in context: > http://elecraft.365791.n2.nabble.com/K3-SSB-modulation-tp5442219p5442701.html > Sent from the [K3] mailing list archive at Nabble.com. > ______________________________________________________________ > 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 ______________________________________________________________ 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

