Why did you turn the mic bias off? Have you tried turning it on to see if it gives you the sound you need?
Rich KK4DZE On Fri, Oct 6, 2017 at 12:27 Joe Subich, W4TV <li...@subich.com> wrote: > > On 10/6/2017 11:36 AM, Jim Brown wrote: > > I'm with Bob on this. While the K3 and K3S DOES have a Pin One > > Problem at the rear panel mic input (the cable shield goes to the > > chassis through a capacitor), floating the cable shield is not a good > > solution, and it should be tied to the connector sleeve. > That may work with the K3/K3S which have a relatively low impedance > between the mic return and chassis. Tying the shield to mic return > is a complete disaster on older rigs (FT-1000D, FT-1000MP, most Kenwood, > etc.) where the mic return is the emitter of the mic preamp which has > an *unbypassed* resistor and/or RF choke to DC return/chassis. That > [relatively] high RF impedance is like connecting an antenna directly > to the mic. > > 73, > > ... Joe, W4TV > > > On 10/6/2017 11:36 AM, Jim Brown wrote: > > I'm with Bob on this. While the K3 and K3S DOES have a Pin One Problem > > at the rear panel mic input (the cable shield goes to the chassis > > through a capacitor), floating the cable shield is not a good solution, > > and it should be tied to the connector sleeve. > > > > When a rig DOES provide chassis at the mic connector, the balanced mic > > lines should be wired to MIC+ and MIC-, and the cable shield should be > > tied to the chassis. In general, it's also OK to tie Pin 1 and Pin 3 > > together AT THE RIG and connect them to the chassis. > > > > 73, Jim K9YC > > > > On 10/6/2017 5:50 AM, Joe Subich, W4TV wrote: > >> > >> > Pin #1 & #3 to ground > >> > >> Pins 1 and 3 should *never be tied together*. If your transceiver has > >> a balanced input *or* a *separate* case/chassis connection, connect > >> pin 1 (shield/mic case) to the case/chassis connection (ideally to the > >> *shell* of a Foster mic jack that is bolted securely to the metal case > >> of the transceiver). > >> > >> If your transceiver does not have a separate case/chassis connection > >> (the K3/K3S rear mic jack *does not*) leave pin 1 disconnected > >> (floating). > >> > >> 73, > >> > >> ... Joe, W4TV > >> > >> > >> On 10/5/2017 9:30 PM, Bob McGraw K4TAX wrote: > >>> No preamp required. Set the Mike gain via the menu to high. Easy to > >>> wire the mike XLR to an unbalanced circuit. Pin #1 & #3 to ground > >>> and Pin #2 to MIC high. See page 55 of the manual [MIC SEL] for > >>> details. > >>> > >>> If you close talk the mike it will be bottom end heavy. Typically no > >>> closer than 4" will be OK. Move in closer and the bottom end comes > >>> up, back away and the bottom end falls off. This is due to the > >>> proximity effect of they type dynamic mike. > >>> > >>> Otherwise, they sound quite good/. > >>> > >>> 73 > >>> > >>> Bob, K4TAX > >>> > >>> > >>> On 10/3/2017 1:50 PM, Stewart wrote: > >>>> Is anyone using a Shure SM58 mic with their K3s? If so are you using > >>>> a preamp? My O'scope shows that the mic and cable are good but level > >>>> is pretty low. > >>>> > >>>> I don't get anything with the mic connected to the rear mic jack. > >>>> Config is set to rp l , bias off. I tried mic gain from 0 - 100. > >>>> > >>>> K3s is new so I may be missing some menu item. > >>>> > >>>> Regards, > >>>> > >>>> Stew ke4yh > >>>> > >>>> > >>>> > >>>> --- > >>>> This email has been checked for viruses by AVG. > >>>> http://www.avg.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 rmcg...@blomand.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 li...@subich.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 j...@audiosystemsgroup.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 li...@subich.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 richardn...@gmail.com -- * Medicare Advantage Plans (HMO & PPO) Medicare Supplement plans* *Annuities * Richard Day *RichDayHealthPlans.com* 828-606-6922 voice ______________________________________________________________ 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
