Re: [Elecraft] Rear Mike Jack Question

[Barry]

On a semi-related note, I don't understand why manufacturers continue to put
a mic jack, with its overly bulky mating connector, on the front panel.  It
always gets in the way.

Barry W21UP 



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Re: [Elecraft] Rear Mike Jack Question

[N4ZR]

Egads, who knew? Clearly not me.  Of course, my K3 is relatively early, 
and I didn't download the latest manual until this year.  Thanks, Don!


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On 8/23/2020 11:30 PM, Don Wilhelm wrote:

Pete,

Go to the MIC SEL menu and tap 1 to toggle between the high gain mic 
preamp and the low gain.

See page 52 of a more recent manual.

73,
Don W3FPR

On 8/23/2020 9:55 PM, N4ZR wrote:


Don, I do not have a RPL bias option under Mic Sel.  Only RPH, FPH 
and Line IN


73, Pete N4ZR
Check out the Reverse Beacon Network
at, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.
On 8/23/2020 12:41 PM, Don Wilhelm wrote:
Set MIC SEL to RPL BIAS.  You do not need the high gain amp with 
that mic.  It is likely producing feedback as you have it set.


73,
Don W3FPR

On 8/23/2020 11:56 AM, N4ZR wrote:
Recently, I began trying to use the rear microphone jack on my K3 
with my Yamaha boom mike, instead of using a stand-alone USB sound 
card and feeding the signal to the LIN IN jack.  This worked fine 
for a couple of weeks, but today when I tried it, I got very loud 
white noise driving my radio and amp essentially to full scale. I 
have MIC SEL set to RPH BIAS, which has worked in the past. Any MIC 
gain setting over 7 drives the amp to full output.  When I pull the 
mike plug out of the jack, the problem goes away.





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Re: [Elecraft] Rear Mike Jack Question

[Nr4c]

A CM-500 does not need RPH bias mic settings it is a high output element and 
RPL bias will do fine with mic gain beteeen 10-20 (I use 17). 

Sent from my iPhone
...nr4c. bill


> On Aug 23, 2020, at 1:19 PM, Dave Erickson  wrote:
> 
> This just happened to me. I heard a screeching whine when hitting transmit 
> in ft8, turns out the recent update reset all my sound assignments.
> 
> 73
> 
>> On 8/23/2020 11:01 AM, Buck wrote:
>> I would suspect a Windoze update scrambled your sound assignments.  Go back 
>> and check all your settings.
>> 
>> k4ia, Buck
>> K3s# 11497
>> Honor Roll  8B DXCC
>> EasyWayHamBooks.com
>> 
>>> On 8/23/2020 11:56 AM, N4ZR wrote:
>>> Recently, I began trying to use the rear microphone jack on my K3 with my 
>>> Yamaha boom mike, instead of using a stand-alone USB sound card and feeding 
>>> the signal to the LIN IN jack.  This worked fine for a couple of weeks, but 
>>> today when I tried it, I got very loud white noise driving my radio and amp 
>>> essentially to full scale. I have MIC SEL set to RPH BIAS, which has worked 
>>> in the past. Any MIC gain setting over 7 drives the amp to full output.  
>>> When I pull the mike plug out of the jack, the problem goes away.
>>> 
>>> Have I inadvertently messed up another setting, or perhaps a failure in the 
>>> mike?
>>> 
>> __
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>> Message delivered to ra...@disseminator.net 
> 
> -- 
> Dave Erickson
> k0dom
> 73
> 
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Re: [Elecraft] Rear Mike Jack Question

[Dave Erickson]

This just happened to me. I heard a screeching whine when hitting 
transmit in ft8, turns out the recent update reset all my sound assignments.


73

On 8/23/2020 11:01 AM, Buck wrote:
I would suspect a Windoze update scrambled your sound assignments.  Go 
back and check all your settings.


k4ia, Buck
K3s# 11497
Honor Roll  8B DXCC
EasyWayHamBooks.com

On 8/23/2020 11:56 AM, N4ZR wrote:
Recently, I began trying to use the rear microphone jack on my K3 
with my Yamaha boom mike, instead of using a stand-alone USB sound 
card and feeding the signal to the LIN IN jack.  This worked fine for 
a couple of weeks, but today when I tried it, I got very loud white 
noise driving my radio and amp essentially to full scale. I have MIC 
SEL set to RPH BIAS, which has worked in the past. Any MIC gain 
setting over 7 drives the amp to full output.  When I pull the mike 
plug out of the jack, the problem goes away.


Have I inadvertently messed up another setting, or perhaps a failure 
in the mike?



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--
Dave Erickson
k0dom
73

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Re: [Elecraft] Rear Mike Jack Question

[Andrew Hebden]

Hi,
Sounds a bit like RF getting into the mic line. Does it happen when running 
into a dummy load?
I use a Koss headset like this with no problems.

Andrew G8BYB

-Original Message-
From: elecraft-boun...@mailman.qth.net  On 
Behalf Of N4ZR
Sent: 23 August 2020 16:57
To: Elecraft List 
Subject: [Elecraft] Rear Mike Jack Question

Recently, I began trying to use the rear microphone jack on my K3 with my 
Yamaha boom mike, instead of using a stand-alone USB sound card and feeding the 
signal to the LIN IN jack.  This worked fine for a couple of weeks, but today 
when I tried it, I got very loud white noise driving my radio and amp 
essentially to full scale. I have MIC SEL set to RPH BIAS, which has worked in 
the past. Any MIC gain setting over 7 drives the amp to full output.  When I 
pull the mike plug out of the jack, the problem goes away.

Have I inadvertently messed up another setting, or perhaps a failure in the 
mike?

--
73, Pete N4ZR
Check out the Reverse Beacon Network
at <http://reversebeacon.net>, now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

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Re: [Elecraft] Rear Mike Jack Question

[Don Wilhelm]

Set MIC SEL to RPL BIAS.  You do not need the high gain amp with that 
mic.  It is likely producing feedback as you have it set.


73,
Don W3FPR

On 8/23/2020 11:56 AM, N4ZR wrote:
Recently, I began trying to use the rear microphone jack on my K3 with 
my Yamaha boom mike, instead of using a stand-alone USB sound card and 
feeding the signal to the LIN IN jack.  This worked fine for a couple of 
weeks, but today when I tried it, I got very loud white noise driving my 
radio and amp essentially to full scale. I have MIC SEL set to RPH BIAS, 
which has worked in the past. Any MIC gain setting over 7 drives the amp 
to full output.  When I pull the mike plug out of the jack, the problem 
goes away.



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Re: [Elecraft] Rear Mike Jack Question

[Buck]

I would suspect a Windoze update scrambled your sound assignments.  Go 
back and check all your settings.


k4ia, Buck
K3s# 11497
Honor Roll  8B DXCC
EasyWayHamBooks.com

On 8/23/2020 11:56 AM, N4ZR wrote:
Recently, I began trying to use the rear microphone jack on my K3 with 
my Yamaha boom mike, instead of using a stand-alone USB sound card and 
feeding the signal to the LIN IN jack.  This worked fine for a couple of 
weeks, but today when I tried it, I got very loud white noise driving my 
radio and amp essentially to full scale. I have MIC SEL set to RPH BIAS, 
which has worked in the past. Any MIC gain setting over 7 drives the amp 
to full output.  When I pull the mike plug out of the jack, the problem 
goes away.


Have I inadvertently messed up another setting, or perhaps a failure in 
the mike?



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[Elecraft] Rear Mike Jack Question

[N4ZR]

Recently, I began trying to use the rear microphone jack on my K3 with 
my Yamaha boom mike, instead of using a stand-alone USB sound card and 
feeding the signal to the LIN IN jack.  This worked fine for a couple of 
weeks, but today when I tried it, I got very loud white noise driving my 
radio and amp essentially to full scale. I have MIC SEL set to RPH BIAS, 
which has worked in the past. Any MIC gain setting over 7 drives the amp 
to full output.  When I pull the mike plug out of the jack, the problem 
goes away.


Have I inadvertently messed up another setting, or perhaps a failure in 
the mike?


--
73, Pete N4ZR
Check out the Reverse Beacon Network
at , now
spotting RTTY activity worldwide.
For spots, please use your favorite
"retail" DX cluster.

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