Very well said Jim. 73 Bob, K4TAX
> On Mon, 26 Apr 2010 16:18:01 +0000, Lance Collister wrote: > >> It very effectively cuts out the background blower noise > > Some of the major causes of audible background noise are 1) working too > far from the mic; 2) running the mic gain too high; 3) using too much > compression/processing; and 4) not rolling off the low frequencies. > > In a noisy environment, it always helps to work close to the mic. It is > ALWAYS good practice to use the minimum mic gain needed to get good > modulation, use no more than about 10dB of compression/processing, and > roll off the low frequency content. It's good engineering practice for > the > highest quality broadcast stations, and it's good practice for ham radio. > > Indeed, the only difference between what's right for broadcasting and for > ham radio is WHERE to cut the low end and HOW MUCH money to spend on > compression/processing. Many years ago, I sold processing systems for > broadcast stations that cost upwards of $10K in today's dollars, and I > helped the chief engineers of those stations adjust them. I suspect that > W8JI and K4TAX have similar experience. Before I spent ANY money on an > outboard box for a ham rig, I would first follow all of those elements of > good engineering practice. > > 73, > > Jim Brown K9YC > > > ______________________________________________________________ > Elecraft mailing list > Home: http://mailman.qth.net/mailman/listinfo/elecraft > Help: http://mailman.qth.net/mmfaq.htm > Post: mailto:Elecraft@mailman.qth.net > > 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html
