Re: [Elecraft] KX3 need microphone help

2015-12-30 Thread Jim Brown
On Wed,12/30/2015 4:31 PM, Jim Kutsch, KY2D wrote: The mic with the problem is an Electrovoice RE15 on a boom with its XLR connection going into a HOSA splitter cable, TRS on the KX3 side and two XLR connectors on the other. I suspect it's a wiring problem. The RE15 is a dynamic pro mic and i

Re: [Elecraft] KX3 need microphone help

2015-12-30 Thread Bob McGraw - K4TAX
Also splitting audio at mike levels can be a real problem as one "split" can appear as an input to the other side. Mikes should be connected direct to one radio only. As Don stated, PL-259 connectors need to be more than finger tight. I've found many good looking PL-259 connectors which are

Re: [Elecraft] KX3 need microphone help

2015-12-30 Thread Don Wilhelm
Where did you add the common mode choke? What is the choking impedance of that common mode choke? Take a look at the writings of Jim Brown K9YC for effective common mode chokes. The fact that you do not have the problem with the MH3 microphone strongly suggests that there is not a problem wi

[Elecraft] KX3 need microphone help

2015-12-30 Thread Jim Kutsch, KY2D
I'm running a KX3 and KXPA100 here. Both are very early units but with the latest firmware. All is fine with the Elecraft hand mic but I want to use a boom mic and foot switch. However, I'm having problems with two different mics. In both cases, when power is set to more than 50W, the audio is dis