On Fri, 12 Dec 2008 12:41:30 -0800, you wrote: >The power on rush of noise is almost earsplitting here in headset and >external speakers, K3 serial 509. It lasts for about a quarter of a second. >If I had the volume turned up it could cause damage to a speaker or my ears, >it is that loud. For this reason alone it should be a high priority fix. >Perhaps just blank the receiver in the turn on sequence for enough time to >cover the transient. > >It has existed over the last several firmware updates. I notice that it is >worse when the bandwidth is set wider such as 2.7 KHz SSB mode. It does not >matter if a signal is present or not. I have high background noise level >here (S-7) so I expect that might be equivalent to having a signal present. > >When set for CW at 400 Hz the momentary noise is there but much-much subdued >and not objectionable at all so CW operators may not notice the effect. The >effect is there in SSB/Data/CW modes. I don't hear it in AM/13KHz. > > >Mike Scott - AE6WA >Tarzana, CA (DM04 / near LA) >K3-100 #508/ KX1 #1311 [snip]
I do not experience this anomaly at all. Tom Hinson Childers, N5GE K3 #806, XV144, XV432 Mini-Modules http://www.eQSL.cc/Member.cfm?N5GE http://www.n5ge.com http://www.swotrc.net _______________________________________________ Elecraft mailing list Post to: [email protected] You must be a subscriber to post to the list. Subscriber Info (Addr. Change, sub, unsub etc.): http://mailman.qth.net/mailman/listinfo/elecraft Help: http://mailman.qth.net/subscribers.htm Elecraft web page: http://www.elecraft.com

