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KX3 Transmit audio has (unwanted) echo effect

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Jim Kutsch, KY2D-2

KX3 Transmit audio has (unwanted) echo effect

AS of a few days ago I started getting reports of poor transmit audio from
my KX3. Today I had time for more extensive tests with several stations.
According to these reports, the transmit audio sounds like I'm in an echo
chamber or there is a reverb in the audio path. Lower power, lower mic gain,
and 0 compression does not eliminate the effect.

Any suggestions? Might I have accidentally turned something on in the menus
to cause this condition? It's the same ElectroVoice RE15 mic I've been using
for months. The only (intentional) recent changes were installing the recent
betas.

Thanks for any thoughts.

73, Jim, KY2D

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Don Wilhelm-4

Re: KX3 Transmit audio has (unwanted) echo effect

Jim,

A reverb sound suggests that you may have the monitor on. With a
headset, that usually works fine, but with a desk mike, it will cause
reverb.

73,
Don W3FPR

On 12/21/2014 4:37 PM, Jim Kutsch, KY2D wrote:

Jim Kutsch, KY2D-2

Re: KX3 Transmit audio has (unwanted) echo effect

Thanks. I already tried that and the DVR recordings sound absolutely fine.

Two other things I didn't mention in the initial message: the echo still
exists with the monitor off and I'm using a KXPA100. The echo is gone or at
least much less obvious without the amp. I'm thinking RF is feedback into
something somewhere but if that's what this is, it is causing a very strange
effect.

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Walter
Underwood
Sent: Sunday, December 21, 2014 5:06 PM
To: [hidden email]
Subject: Re: [Elecraft] KX3 Transmit audio has (unwanted) echo effect

Record a sample on the DVR and play it back to hear what is going on.

wunder
K6WRU
CM87wj
http://observer.wunderwood.org/

On Dec 21, 2014, at 1:48 PM, Don Wilhelm <[hidden email]> wrote:

> Jim,
>
> A reverb sound suggests that you may have the monitor on. With a headset,
that usually works fine, but with a desk mike, it will cause reverb.
>
> 73,
> Don W3FPR
>
> On 12/21/2014 4:37 PM, Jim Kutsch, KY2D wrote:
>> AS of a few days ago I started getting reports of poor transmit audio
>> from my KX3. Today I had time for more extensive tests with several
stations.

>> According to these reports, the transmit audio sounds like I'm in an
>> echo chamber or there is a reverb in the audio path. Lower power,
>> lower mic gain, and 0 compression does not eliminate the effect.
>>
>>
>> Any suggestions? Might I have accidentally turned something on in the
>> menus to cause this condition? It's the same ElectroVoice RE15 mic
>> I've been using for months. The only (intentional) recent changes
>> were installing the recent betas.
>>
>>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> list: http://www.qsl.net/donate.html Message delivered to
> [hidden email]

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NC3Z

Re: KX3 Transmit audio has (unwanted) echo effect

In reply to this post by Jim Kutsch, KY2D-2

Jim, I have also had these reports when I tried to use a dynamic mic
such as a EV664A and Heil PR22, it gets pronounced at the mic gain and
compressor is turned up. I don't think there is any setting you turned
on. Because of this I have gone back to electret mics. Will be watching
to see what sort of responses you may get back.

Gary Mitchelson
NC3Z Davidsonville, MD FM18
NC3Z/4 Pamlico County, NC FM15
www.mitchelson.org

On 12/21/2014 4:37 PM, Jim Kutsch, KY2D wrote:

> AS of a few days ago I started getting reports of poor transmit audio from
> my KX3. Today I had time for more extensive tests with several stations.
> According to these reports, the transmit audio sounds like I'm in an echo
> chamber or there is a reverb in the audio path. Lower power, lower mic gain,
> and 0 compression does not eliminate the effect.
>
>
>
> Any suggestions? Might I have accidentally turned something on in the menus
> to cause this condition? It's the same ElectroVoice RE15 mic I've been using
> for months. The only (intentional) recent changes were installing the recent
> betas.
>
> Thanks for any thoughts.
>
>
>
> 73, Jim, KY2D
>
>
>
>
>
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
> Help: http://mailman.qth.net/mmfaq.htm
> Post: mailto:[hidden email]
>
> This list hosted by: http://www.qsl.net
> Please help support this email list: http://www.qsl.net/donate.html
> Message delivered to [hidden email]