Hi Jerry, You should also try with APF off. APF on the K3 is useful for pulling out weak signals. I don't see the benefit for general listening.
Just as a further clarification. Generally, if your bandwidth is dialed in as 500Hz then your 400Hz filter has been switched out and your current roofing filter is the next wider one. I say generally because it is possible to set wider cutoff points for the roofing filters. 73, Mike K2MK ae4pb wrote > I normally wear a headset but when working I like to listen to code to > help > build my proficiency and am hearing a lot of distortion/buzz/whine. I > typically am on 40M running about 500Hz wide (my filter is the 8 pole > 400Hz), NR is ON, APF is ON. I've tried changing the tone from 700Hz to > down > around 400Hz and the issue just gets worse. > > The speaker is tight against the mesh/top cover so I'm not sure why the > sound is so buzzy. I don't notice it on SSB. I end up turning the volume > WAY > DOWN which makes it better but still some buzz in there. I plan to wire up > some old surround sound speakers up for stereo and try that but am trying > to > figure out what I did wrong in the meantime. > > Thanks in advance. -- View this message in context: http://elecraft.365791.n2.nabble.com/K3S-speaker-vibration-whine-tp7609448p7609465.html Sent from the Elecraft 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:Elecraft@mailman.qth.net This list hosted by: http://www.qsl.net Please help support this email list: http://www.qsl.net/donate.html Message delivered to arch...@mail-archive.com
