On Mon, 21 Sep 2009 10:32:27 -0700 (PDT), Ignacy wrote: >I am hearing all that basses generated by audio gurus.
The word "guru" implies authoritative knowledge. Those who try to turn their ham station into a hi-fi rig are simply misguided. In a speech to a ham convention, retired FCC enforcement chief Riley Hollingsworth stated that such things were out of place on the ham bands and that they should simply get a job in a broadcast station if they wanted to do that kind of thing. Most hams who really DO know audio limit their audio bandwidth so that their transmitter runs more efficiently and cuts through noise and QRM better. For the same reason, they also use good dynamics processing of the same sort that is widely used by broadcasters. Those who transmit all that bass are wasting at least half of their transmit power! Those that transmit extended HF response are selfishly using more bandwidth and generating more QRM to their fellow hams. >As a negative, there is some RF pickup. Speakers with built-in amplifiers are notorious for RFI. I often tour the aisles at audio trade shows with a THF6A VHF/UHF talkie. In ten years, I've seen only one amplified loudspeaker that didn't pick up RF. It cost about $1,500 and was made in Europe. 73, Jim Brown K9YC ______________________________________________________________ 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
