You don't have to buy one to try it out. You can adjust the SHIFT/WIDTH controls to see what it sounds like. Having a narrow roofing filter pays off in a contest or other heavy operating conditions to keep something loud in the space between the roofing bandwidth and DSP bandwidth from pumping the hardware AGC.
73, Guy. On Thu, Jan 28, 2010 at 11:56 PM, <[email protected]> wrote: > > It is narrow but you slew the passband shift over so the max > intelligibility matches up with the center of the audio (not necessarily with > the center > of the filter) and you can copy SSB with a 1.1 khz filter. Play with it > you will be amazed. The intelligible portion of audio is really quite > narrow. > > Buck > k4ia > k3# 101 > > > > In a message dated 1/28/2010 9:33:44 P.M. Eastern Standard Time, > [email protected] writes: > > Well they are out of stock, so the filter must be pretty good, or at > least popular. > > I have read nothing but good about this filter, though it seems to be a > bit narrow for SSB, or that is what history tells me. > > Any bad on this filter? > > I would actually like to put one in the K3 and also the Mark-V, as they > share a common IF frequency ( 8125 kHz ). > > Not looking for Hi-FI, just the best blocking that will still give an > intelligible SSB signal. > > > > > ______________________________________________________________ > 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 > ______________________________________________________________ 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
