Re: [Elecraft] KPA500 amplification and microphone
With that combination which I have, I suggest setting the CMP to a value of 15 to 17 so as to produce about 3 to 4 bars on the CMP scale. Also, you will need to adjust the MIC gain value such that you get 4 to 5 bars on the ALC scale. Yes, mike-to-mouth position is critical. I'm not familiar with the the MC-60 and its pattern characteristics. If you like that mike and you get good quality audio reports then I'd say it is OK. Personally I use a dynamic mike such as the Shure SM-58 or other like mike. With that, the "4 finger" rule, being mouth straight on axis with the mike and 4 fingers distance from the face of the mike I find to produce the best result. At the same time, the closer to the face of the mike, the more critical the mike-to-mouth position becomes. And if one is too far from the mike, added mike gain is required and the room noise becomes noticeable. Again, mike-to-mouth position and consistency is very important to good quality audio. Perhaps that is why many use a headphone boom mike. The mike stays constant with regard to ones mouth as they move around and look at different things in the room. 73 Bob, K4TAX On 6/30/2018 8:29 AM, Michael Gillen via Elecraft wrote: Hello guys! I got my very first amp on Wednesday, a KPA500 and started using it along with the KAT500 I ordered and a K3S I purchased last month. Here is my question: I noticed that when I transmit, the power output varies significantly depending upon how close my mouth is to the Kenwood MC-60 microphone (no batteries in the mic). Is this normal? And how do I make this more consistent? Try to always put my mouth in the same relative position? Buy a different microphone? Thanks, Michael KK6RWK __ 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 arch...@mail-archive.com
Re: [Elecraft] KPA500 amplification and microphone
Michael, I have the KPA500 and the KAT500 but use them with an Icom IC-7610. The amp and tuner are a great combination. Regarding the mic and varying power, you need to maintain a consistent distance from the mic and a consistent audio level when speaking into the mic or your power will drop off. Watch the mic gain setting, you don’t want it so sensitive that the mic picks up room noise. Ken WA2LBI On Sat, Jun 30, 2018 at 09:29 Michael Gillen via Elecraft < elecraft@mailman.qth.net> wrote: > Hello guys! > > I got my very first amp on Wednesday, a KPA500 and started using it along > with the KAT500 I ordered and a K3S I purchased last month. > > Here is my question: I noticed that when I transmit, the power output > varies significantly depending upon how close my mouth is to the Kenwood > MC-60 microphone (no batteries in the mic). Is this normal? And how do I > make this more consistent? Try to always put my mouth in the same relative > position? Buy a different microphone? > > Thanks, > Michael > KK6RWK > -- Ken WA2LBI Sent from one of my mobile devices __ 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
[Elecraft] KPA500 amplification and microphone
Hello guys! I got my very first amp on Wednesday, a KPA500 and started using it along with the KAT500 I ordered and a K3S I purchased last month. Here is my question: I noticed that when I transmit, the power output varies significantly depending upon how close my mouth is to the Kenwood MC-60 microphone (no batteries in the mic). Is this normal? And how do I make this more consistent? Try to always put my mouth in the same relative position? Buy a different microphone? Thanks, Michael KK6RWK __ 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
