I note the popping here as well. K3 #6478 with new synths and FW REVS uC-5.38, d1-2.86, d2-2.86, FL 1.25, dr 1.03.
Also have 700Hz and 250 Hz filters installed. 73, Tony K4QE On Sat, Oct 17, 2015 at 8:34 AM, N2TK, Tony <tony....@verizon.net> wrote: > I can't duplicate it here on either K3. > 73, > N2TK, Tony > > -----Original Message----- > From: Elecraft [mailto:elecraft-boun...@mailman.qth.net] On Behalf Of Jim > Bolit > Sent: Saturday, October 17, 2015 2:15 AM > To: Vic Rosenthal <k2vco....@gmail.com> > Cc: <elecraft@mailman.qth.net> <elecraft@mailman.qth.net> > Subject: Re: [Elecraft] K3 Popping noise in headphones?? > > I use the BW control a lot as most of my work is weak signal CW. > There was no popping before, and my ears are "on max gain" with weak > signals, that are at or near the noise floor. The popping is VERY annoying > and at times it "hurts" the ears when digging for signals and changing the > BW control from 200 Hz to 150 Hz, to 100 Hz and finally to 50 Hz. The > popping is present as I rotate the BW control back to wider bandwidths > also, > but the popping stops once above 200 Hz bandwidth. > JimW6AIM > > > . > > -------- Original message -------- > From: Vic Rosenthal <k2vco....@gmail.com> > Date: 10/16/2015 10:42 PM (GMT-08:00) > To: jim <jbol...@outlook.com> > Cc: "<elecraft@mailman.qth.net>" <elecraft@mailman.qth.net> > Subject: Re: [Elecraft] K3 Popping noise in headphones?? > > Yes, I have it too, and I didn't notice it before installing the new > synths. > Doesn't bother me. > > Vic > Sent from my phone > > > On Oct 17, 2015, at 4:01 AM, jim <jbol...@outlook.com> wrote: > > > > I just got my K3 back from Elecraft. They did the once over and > > installed the new SYN boards. > > > > > > > > I have noticed a "popping" noise in the headphones as I change the > > bandwidth control, but ONLY as I transition from 200 Hz, 150 Hz, 100 > > Hz and 50 Hz. I have only checked this in the CW mode. > > > > > > > > This popping noise was not there before sending the rig in. > > > > > > > > I have the 500 Hz and 200 Hz crystal roofing filters installed, which > > is the same configuration as I had before sending it to Elecraft. > > > > > > > > Any thoughts? > > > > > > > > Tnx > > > > > > > > Jim > > > > W6AIM > > > > > > > > > > > > . > > > > ______________________________________________________________ > > 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 > > k2vco....@gmail.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 tony....@verizon.net > > ______________________________________________________________ > 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 anthony.scandu...@gmail.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
