I would imagine there are a lot of us who hear the "artifacts" but just don't realize it? This would account for the undefinable "fatigue" some talk about.
Keith W8GX On Jan 2, 2010, at 9:21 PM, Brendan Minish wrote: > Don Rasmussen wrote: > >> I applaude Elecraft for going to all the trouble and expense of >> engineering a daughterboard for this, and maintain once again that to >> my ears, K3 is the only IF DSP transceiver that sounds analog. > > For those of us with good hearing to 12KHz and above really appreciate > that elecraft have taken the time to understand the relativity subtle > issue that some of us were hearing, create a mod to add the LPF and that > this is now standard. > Not everyone can hear the issue, or will be bothered by it, it's quite > subtle but it was certainly fateuging to some of us who can hear well at > higher frequencies. I had initially added an R/C Low pass filter to my > headphone ear pieces which worked but the LPF mod does a better job, I > was one of the beta testers for it. > > > Incidentally the D to A chip in the K3 is performing well within it's > design specs for aliasing products, I have a portabe MP3 player that is > nearly unusable to my ears for listening to practice CW stored as MP3 > files with a bit rate of 12Khz (You can get a lot of hours of Ebooks > converted to CW at lower sapmle rates) > > 73 > Brendan EI6IZ > ______________________________________________________________ > 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
