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K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

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Jerry Moore

K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

Final edits: sorry for the resend but I keep needing to update the email as
it's missing parts.

Hi, I thought I had the sound issue licked with the loose case screws but I
still hear the buzz. I believe I found the issue and it's NOT the speaker
(well I don't believe based on my findings).

Hypothesis:

I strongly suspect loose transformer cores are the cause of the buzzing that
are especially louder at different harmonics.

Steps to reproduce and isolate the issue:

1. CW mode, Test (so no TX), Monitor all the way up (60? I think from
memory..Rig is disassembled atm..).

2. Send a string of code, you can hear the tones but a buzzing, listening
to received code results in the same buzzing distortion and appears
harmonic.

3. Remove screws from top Cover, Hold cover in Hands, Repeat step2 -
Notice NO buzzing or distortion, the speaker sounds are clear.

4. Disconnect all power/cables except ground.

5. Tap the covers, top, sides, front back, bottom, Found tapping the rear
bottom results in a perceptible rattle.

6. Remove bottom covers and inspect, no discernable cause, tapping board
results in a perceptible rattle.

7. Remove Fan assembly, PA-100 unit. Tapping results in perceptible
rattle.

8. Inspect KLPA3A board - There's a transformer core that's loose to the
board.

9. Tapping the KPA3A board results in a perceptible rattle.

10. Inspect the KPA3a board - it contains a transformer core
that's loose to the board.

Conclusion:

I believe that using a high temperature silicon, other adhesive, or other
method approved by Elecraft to secure the transformer cores to the circuit
boards will resolve the issue.

Request:

I'd like to have an Elecraft representative review my information and make a
determination as to its validity AND recommend an Elecraft acceptable
solution if they agree there's an issue.

Thanks in advance.

Jer Cell: 803-431-1870

Jerry Moore

CDXA, INDEXA, SKCC, Fists

AE4PB, K3S - S.N. 010324

http://www.qrz.com/db/AE4PB

An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
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Clay Autery

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

Another possible cause... If you have the 100W PA option, you MIGHT be
hearing ferrite beads rattling inside the PA module. I don't know why
they are loose on the wires, but they are and you can hear them rattle
when you shake the module prior to install.
The Assembly Manual references them and says the rattling is "normal".

IF they are the source of your buzzing, the module will need to be
disassembled and the ferrite beads fixed in some fashion so they don't
move and/or make contact with metal enclosure, shield, et al.

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 12:18 PM, Jerry Moore wrote:

> Final edits: sorry for the resend but I keep needing to update the email as
> it's missing parts.
>
>
>
> Hi, I thought I had the sound issue licked with the loose case screws but I
> still hear the buzz. I believe I found the issue and it's NOT the speaker
> (well I don't believe based on my findings).
>
>
>
> Hypothesis:
>
> I strongly suspect loose transformer cores are the cause of the buzzing that
> are especially louder at different harmonics.
>

Jerry Moore

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

That's exactly what I found. After speaking with Howard I've wedged the
ferrite with a bit of cardstock and the buzzing is gone where I listen. If I
change the spot frequency around I am able to find harmonic spots that make
the case buzz. Howard also gave permission via one of the other folks there
to put a dab of silicon on the ferrites to stop the rattle.
Easy fix. The result seems to depend on where you like the monitor frequency
to be.

I like Howard's suggestion to go with an external speaker or use a headset.
At this point it's fixed for my use.

Thanks.

Jerry Moore
CDXA, INDEXA, SKCC, Fists
AE4PB, K3S - S.N. 010324
http://www.qrz.com/db/AE4PB
An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of Clay
Autery
Sent: Wednesday, February 17, 2016 1:48 PM
To: [hidden email]
Subject: Re: [Elecraft] K3s Odd sound vibrations Edit - Hypothesis, Steps,
Conclusion, and Request.

Another possible cause... If you have the 100W PA option, you MIGHT be
hearing ferrite beads rattling inside the PA module. I don't know why they
are loose on the wires, but they are and you can hear them rattle when you
shake the module prior to install.
The Assembly Manual references them and says the rattling is "normal".

IF they are the source of your buzzing, the module will need to be
disassembled and the ferrite beads fixed in some fashion so they don't move
and/or make contact with metal enclosure, shield, et al.

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 12:18 PM, Jerry Moore wrote:

> Final edits: sorry for the resend but I keep needing to update the
> email as it's missing parts.
>
>
>
> Hi, I thought I had the sound issue licked with the loose case screws
> but I still hear the buzz. I believe I found the issue and it's NOT
> the speaker (well I don't believe based on my findings).
>
>
>
> Hypothesis:
>
> I strongly suspect loose transformer cores are the cause of the
> buzzing that are especially louder at different harmonics.
>

______________________________________________________________
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Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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delivered to [hidden email]

______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
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Clay Autery

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

Howard is a good man. Glad you were able to ID the issue cause. Sorry
it took me so long to get on-board. I'm studying for my Extra exam
Saturday and am not paying close attention)

IDEALLY, the external speaker (if I had the money right now, 2 each)
would be a great "fix", but I would also HAVE to fix the internal
speaker induced issue (curse of being me).

Fixing the beads will stop their migration inside the enclosure, BUT to
"fix" it so that they won't buzz AT ALL at any freq, will require one or
more of the following:

1) AFTER the silicone is cured fixing the beads to a specific location
on the conductor, coat the outside of all beads with a thin insulating
layer of silicone that will stop them from vibrating the entire
conductor/bead assembly against dense parts in the module (PCB or metal).
2) Silicone the bead/conductor assembly to a convenient hard surface
such that they can NOT make direct metal to metal contact... and will
not move at all under normal ops.

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 1:05 PM, Jerry Moore wrote:

Jerry Moore

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

Have you done this ?
Even after wedging the ferrite beads I can get the case to buzz harmonically
if I lower the monitor tone significantly. I'm happy because it works where
I listen.
Once I finish with Morse Academy classes it will probably be rare for me to
use the built in speaker. I would like a permanent fix for it but that's
probably not going to happen.

I'm feeling pretty bad about the whole thing but am throwing in the towel.

I'm cursed with being a technician, engineer, and now a systems analyst.
It's hard for me to let go of things that should work.
Why have an internal speaker if the case has loose components/audio
harmonics that will result in distortion.
Why have a monitor adjustment that will go to 60 if you are going to
question WHY a customer want's it that high. (I have hearing loss from the
Navy).
Why deny there's an issue when recent forum posts and reflector posts ?
Chalked up to "bent speaker", "old dsp code".etc..

They've offered for me to send it in for their repair/review -( presumably
at my expense for shipping, I'm east coast.. ) or replace the speaker.

I find it interesting that nobody at Elecraft seems to be able to reproduce
the issue.

At this point I'm going to just glue the ferrite beads down and chalk it up
to bad engineering and apparently I'm the only person in the world with a
new K3S that does this.

I'm still happy with the radio and would probably still buy it again. I am
starting to question overall value to cost. To be fair I believe Howard has
done all that he can. I also believe Elecraft has either an image to uphold
or a K3s audio reputation to repair.

If Elecraft will be at the Charlotte, NC Hamfest I might just cart my rig up
and show it off. Might be interesting to see what the sales folks say.

Jerry Moore
CDXA, INDEXA, SKCC, Fists
AE4PB, K3S - S.N. 010324
http://www.qrz.com/db/AE4PB
An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

-----Original Message-----
From: Clay Autery [mailto:[hidden email]]
Sent: Wednesday, February 17, 2016 2:26 PM
To: Jerry Moore; [hidden email]
Subject: Re: [Elecraft] K3s Odd sound vibrations Edit - Hypothesis, Steps,
Conclusion, and Request.

Howard is a good man. Glad you were able to ID the issue cause. Sorry it
took me so long to get on-board. I'm studying for my Extra exam Saturday
and am not paying close attention)

IDEALLY, the external speaker (if I had the money right now, 2 each) would
be a great "fix", but I would also HAVE to fix the internal speaker induced
issue (curse of being me).

Fixing the beads will stop their migration inside the enclosure, BUT to
"fix" it so that they won't buzz AT ALL at any freq, will require one or
more of the following:

1) AFTER the silicone is cured fixing the beads to a specific location on
the conductor, coat the outside of all beads with a thin insulating layer of
silicone that will stop them from vibrating the entire conductor/bead
assembly against dense parts in the module (PCB or metal).
2) Silicone the bead/conductor assembly to a convenient hard surface such
that they can NOT make direct metal to metal contact... and will not move at
all under normal ops.

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 1:05 PM, Jerry Moore wrote:
> That's exactly what I found. After speaking with Howard I've wedged
> the ferrite with a bit of cardstock and the buzzing is gone where I
> listen. If I change the spot frequency around I am able to find
> harmonic spots that make the case buzz. Howard also gave permission
> via one of the other folks there to put a dab of silicon on the ferrites
to stop the rattle.
> Easy fix. The result seems to depend on where you like the monitor
> frequency to be.
>
> I like Howard's suggestion to go with an external speaker or use a
headset.

> At this point it's fixed for my use.
>
> Thanks.
>
> Jerry Moore
> CDXA, INDEXA, SKCC, Fists
> AE4PB, K3S - S.N. 010324
> http://www.qrz.com/db/AE4PB
> An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced,
> and Patriotic.

Clay Autery

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

No, I have not done this mod. But I have just added it to the list,
because I AM using the internal speaker. External speakers are on the
list, but some way down, so I will be using the internal speaker (or
actually phones) for some time.

In all fairness, I would think this issue is only rarely an "issue" for
the VAST majority of ops... Between external speakers, not having the
PA to begin with, or using headset/phones, most folks probably don't use
the internal speaker at audio levels sufficient to reproduce the issue.

I would prefer to do the fix myself than to have the additional labor
involved in fixing the beads/conductors down (and the accompanying
increase in price/avail of PA modules).

I examined my K3s closely as I assembled it... I consider it a supremely
well-engineered piece of equipment and worth every penny I paid. :-)

Have a super day!

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 1:57 PM, Jerry Moore wrote:
> Have you done this ?
>
______________________________________________________________
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Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Message delivered to [hidden email]

Jerry Moore

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

I had someone contact me off list to suggest putting some small bits of tape
where the cover touches the center stiffener. I did that and now have zero
buzzing except around 440HZ or when monitor is turned up nearly all the way.

I'm not sure why this isn't an advertised fix. Tape/silicon the ferrite
beads on both boards and install x5 30mm strips of black tape in specific
places.
Easy fix.
I've heard it said that nobody remembers what you said, only how you made
them feel. Right now I'm not feeling too warm and fuzzy about my radio manf.

Thanks to all who contacted me off list with suggestions and shared
frustration for this issue.
73 ..

Jerry Moore
CDXA, INDEXA, SKCC, Fists
AE4PB, K3S - S.N. 010324
http://www.qrz.com/db/AE4PB
An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

-----Original Message-----
From: Clay Autery [mailto:[hidden email]]
Sent: Wednesday, February 17, 2016 3:09 PM
To: Jerry Moore; [hidden email]
Subject: Re: [Elecraft] K3s Odd sound vibrations Edit - Hypothesis, Steps,
Conclusion, and Request.

No, I have not done this mod. But I have just added it to the list, because
I AM using the internal speaker. External speakers are on the list, but
some way down, so I will be using the internal speaker (or actually phones)
for some time.

In all fairness, I would think this issue is only rarely an "issue" for the
VAST majority of ops... Between external speakers, not having the PA to
begin with, or using headset/phones, most folks probably don't use the
internal speaker at audio levels sufficient to reproduce the issue.

I would prefer to do the fix myself than to have the additional labor
involved in fixing the beads/conductors down (and the accompanying increase
in price/avail of PA modules).

I examined my K3s closely as I assembled it... I consider it a supremely
well-engineered piece of equipment and worth every penny I paid. :-)

Have a super day!

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 1:57 PM, Jerry Moore wrote:
> Have you done this ?
>

______________________________________________________________
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Home: http://mailman.qth.net/mailman/listinfo/elecraft
Help: http://mailman.qth.net/mmfaq.htm
Post: mailto:[hidden email]

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Message delivered to [hidden email]

Eric Swartz - WA6HHQ

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

Administrator

In reply to this post by Jerry Moore

Make sure you use non-acidic silicon glue that is compatible with PC boards to
do this.

Other types can degrade traces etc on the board.

Eric
/elecraft.com/

On 2/17/2016 11:05 AM, Jerry Moore wrote:

> That's exactly what I found. After speaking with Howard I've wedged the
> ferrite with a bit of cardstock and the buzzing is gone where I listen. If I
> change the spot frequency around I am able to find harmonic spots that make
> the case buzz. Howard also gave permission via one of the other folks there
> to put a dab of silicon on the ferrites to stop the rattle.
> Easy fix. The result seems to depend on where you like the monitor frequency
> to be.
>
> I like Howard's suggestion to go with an external speaker or use a headset.
> At this point it's fixed for my use.
>
> Thanks.
>
> Jerry Moore
> CDXA, INDEXA, SKCC, Fists
> AE4PB, K3S - S.N. 010324
> http://www.qrz.com/db/AE4PB
> An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
> Patriotic.
>
>
> -----Original Message-----
> From: Elecraft [mailto:[hidden email]] On Behalf Of Clay
> Autery
> Sent: Wednesday, February 17, 2016 1:48 PM
> To: [hidden email]
> Subject: Re: [Elecraft] K3s Odd sound vibrations Edit - Hypothesis, Steps,
> Conclusion, and Request.
>
> Another possible cause... If you have the 100W PA option, you MIGHT be
> hearing ferrite beads rattling inside the PA module. I don't know why they
> are loose on the wires, but they are and you can hear them rattle when you
> shake the module prior to install.
> The Assembly Manual references them and says the rattling is "normal".
>
> IF they are the source of your buzzing, the module will need to be
> disassembled and the ferrite beads fixed in some fashion so they don't move
> and/or make contact with metal enclosure, shield, et al.
>
> ______________________
> Clay Autery, KG5LKV
> (318) 518-1389
>
> On 2/17/2016 12:18 PM, Jerry Moore wrote:
>> Final edits: sorry for the resend but I keep needing to update the
>> email as it's missing parts.
>>
>>
>>
>> Hi, I thought I had the sound issue licked with the loose case screws
>> but I still hear the buzz. I believe I found the issue and it's NOT
>> the speaker (well I don't believe based on my findings).
>>
>>
>>
>> Hypothesis:
>>
>> I strongly suspect loose transformer cores are the cause of the
>> buzzing that are especially louder at different harmonics.
>>
> ______________________________________________________________
> 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]
>
> ______________________________________________________________
> 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]
>

Nr4c

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

In reply to this post by Jerry Moore

I'm sorry you lost your "Warm, Fuzzy" feeling for Elecraft. But, in
all due respect, this is the first time I've heard this issue come up.
So, if it is not an issue for the other ~11,000 owners, how is it that
they should have a "ready fix" for the unusual example?

Loose screws, speaker fastening not being solid, speaker shield,
missing foam pad under speaker over KXRX3: all of these have been
addressed, but I don't remember the center stiffener being the culprit
before. You have now added another item in the list, but the entire
list is the result of people like yourself, tirelessly tracking done the
source of some anomaly and reporting it to the support staff. I feel
certain that if this was seen as a potential problem, it would have been
addressed long before now. There are a lot of K3 and K3S radios out in
the world and "Stuff happens".

I hope in the end, that you will like your radio as much as I like my
two.

...bill nr4c

On Wed, 17 Feb 2016 16:49:35 -0500, Jerry Moore wrote:

> I had someone contact me off list to suggest putting some small bits
> of tape
> where the cover touches the center stiffener. I did that and now have
> zero
> buzzing except around 440HZ or when monitor is turned up nearly all
> the way.
>
>
> I'm not sure why this isn't an advertised fix. Tape/silicon the
> ferrite
> beads on both boards and install x5 30mm strips of black tape in
> specific
> places.
> Easy fix.
> I've heard it said that nobody remembers what you said, only how you
> made
> them feel. Right now I'm not feeling too warm and fuzzy about my
> radio manf.
>
> Thanks to all who contacted me off list with suggestions and shared
> frustration for this issue.
> 73 ..
>
>

Don Wilhelm-4

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

In reply to this post by Jerry Moore

Jerry,

While that tape works, there is a downside to it. The K3/K3S uses the
enclosure to assure the best shielding. When you add that tape, you are
reducing the points of contact between the covers of the K3 and the
internal shields.
The impact of the tape may be small in your particular case, but may not
in other cases. It is dependent on just how much RF is floating around
in your shack when you transmit.

73,
Don W3FPR

On 2/17/2016 4:49 PM, Jerry Moore wrote:

Jerry Moore

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

In reply to this post by Nr4c

I'm sorry that I'm getting contacted off list by others who've brought this
up and the fact it's easily findable by google.
Just the fact that elecraft won't officially acknowledge the issue OR that
you've not personally seen it doesn't mean it doesn't exist.
Do a little research then come back and tell me nobody else has the issue.

I'm just venting a bit but my plans to buy the sub RX are on hold
indeterminately. I've been in support for a very long time and know the
difference between operator error/ID10T and an issue. What puts me off the
most is posts like yours that assumes because you haven't heard or seen the
issue then it must not exist over the entire 11k user base. The reality is
that you don't have the knowledge to support that AND most ops apparently
use a headset/external speaker.

I'd think the manufacturer of a $3500 radio (what I bought) would have a bit
more pride to fix issues rather than ignore/discount/punish customers.

Anyway, I'm putting myself in time out because the general consensus seems
to be that I'm a complete idiot with a speaker buzzing sound that none of
the other 11k users can hear because they don't use the speaker even after
I've taken the time to logically and methodically spell out steps to
reproduce the issue and my findings.

I'm not answering email on this for a few days until my blood pressure comes
down.

Jerry Moore
CDXA, INDEXA, SKCC, Fists
AE4PB, K3S - S.N. 010324
http://www.qrz.com/db/AE4PB
An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
Patriotic.

-----Original Message-----
From: Elecraft [mailto:[hidden email]] On Behalf Of nr4c
Sent: Wednesday, February 17, 2016 5:10 PM
To: [hidden email]
Subject: Re: [Elecraft] K3s Odd sound vibrations Edit - Hypothesis, Steps,
Conclusion, and Request.

I'm sorry you lost your "Warm, Fuzzy" feeling for Elecraft. But, in all due
respect, this is the first time I've heard this issue come up.
So, if it is not an issue for the other ~11,000 owners, how is it that they
should have a "ready fix" for the unusual example?

Loose screws, speaker fastening not being solid, speaker shield, missing
foam pad under speaker over KXRX3: all of these have been addressed, but I
don't remember the center stiffener being the culprit before. You have now
added another item in the list, but the entire list is the result of people
like yourself, tirelessly tracking done the source of some anomaly and
reporting it to the support staff. I feel certain that if this was seen as
a potential problem, it would have been addressed long before now. There
are a lot of K3 and K3S radios out in the world and "Stuff happens".

I hope in the end, that you will like your radio as much as I like my two.

...bill nr4c

On Wed, 17 Feb 2016 16:49:35 -0500, Jerry Moore wrote:

> I had someone contact me off list to suggest putting some small bits
> of tape where the cover touches the center stiffener. I did that and
> now have zero buzzing except around 440HZ or when monitor is turned up
> nearly all the way.
>
>
> I'm not sure why this isn't an advertised fix. Tape/silicon the
> ferrite beads on both boards and install x5 30mm strips of black tape
> in specific places.
> Easy fix.
> I've heard it said that nobody remembers what you said, only how you
> made them feel. Right now I'm not feeling too warm and fuzzy about my
> radio manf.
>
> Thanks to all who contacted me off list with suggestions and shared
> frustration for this issue.
> 73 ..
>
>

Clay Autery

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

In reply to this post by Jerry Moore

Well, as it turns out, MOST of the engineering improvements in products
come from the field by way of OCD folks like us.
You should feel good that you contributed to the process.

I am sure someone in the loop is monitoring this thread and making notes
for possible documentation/design changes.

As it turns out, YOUR buzzing had/has multiple components sourced from
multiple causes.

Adding chassis stiffener vibration isolation to the list... although
that would be an issue requiring just the right combination of stiffener
and top cover bowing in the correct directions to create and
interstitial interface such that certain frequencies setup a
sympathetic/harmonic vibration.

Reminds me of the days I used Sorbothane to mount HDDs, fans, et al. in
tower chassis to reduce vibrations and other noise. No one was doing it
then... lots of folks do it now.

______________________
Clay Autery, KG5LKV
(318) 518-1389

On 2/17/2016 3:49 PM, Jerry Moore wrote:

> I had someone contact me off list to suggest putting some small bits of tape
> where the cover touches the center stiffener. I did that and now have zero
> buzzing except around 440HZ or when monitor is turned up nearly all the way.
>
>
> I'm not sure why this isn't an advertised fix. Tape/silicon the ferrite
> beads on both boards and install x5 30mm strips of black tape in specific
> places.
> Easy fix.
> I've heard it said that nobody remembers what you said, only how you made
> them feel. Right now I'm not feeling too warm and fuzzy about my radio manf.
>
> Thanks to all who contacted me off list with suggestions and shared
> frustration for this issue.
> 73 ..
>
> Jerry Moore
> CDXA, INDEXA, SKCC, Fists
> AE4PB, K3S - S.N. 010324
> http://www.qrz.com/db/AE4PB
> An Amateur is - Considerate, Loyal, Progressive, Friendly, Balanced, and
> Patriotic.
>
>
> -----Original Message-----
> From: Clay Autery [mailto:[hidden email]]
> Sent: Wednesday, February 17, 2016 3:09 PM
> To: Jerry Moore; [hidden email]
> Subject: Re: [Elecraft] K3s Odd sound vibrations Edit - Hypothesis, Steps,
> Conclusion, and Request.
>
> No, I have not done this mod. But I have just added it to the list, because
> I AM using the internal speaker. External speakers are on the list, but
> some way down, so I will be using the internal speaker (or actually phones)
> for some time.
>
> In all fairness, I would think this issue is only rarely an "issue" for the
> VAST majority of ops... Between external speakers, not having the PA to
> begin with, or using headset/phones, most folks probably don't use the
> internal speaker at audio levels sufficient to reproduce the issue.
>
> I would prefer to do the fix myself than to have the additional labor
> involved in fixing the beads/conductors down (and the accompanying increase
> in price/avail of PA modules).
>
> I examined my K3s closely as I assembled it... I consider it a supremely
> well-engineered piece of equipment and worth every penny I paid. :-)
>
> Have a super day!
>
> ______________________
> Clay Autery, KG5LKV
> (318) 518-1389
>
> On 2/17/2016 1:57 PM, Jerry Moore wrote:
>> Have you done this ?
>>

Wes (N7WS)

Re: K3s Odd sound vibrations Edit - Hypothesis, Steps, Conclusion, and Request.

In reply to this post by Jerry Moore

I don't think you're an idiot. I've reported a few defects to Elecraft over the
last 8 years. Usually they get fixed and are sometimes folded into production.
There are thousands of guys using K3s that include a fix that was developed
using my radio as a prototype after I demonstrated it to an Elecraft engineer.
(It also involved vibration by the way and two months in the Elecraft hospital)

I've had similar experiences recently with the same chorus singing, "We don't
see it here", when I reported issues with the ARRL NPOTA website and the
software for my DG8SAQ network analyzer. Even posting screen shots won't
convince some of the naysayers. It takes one other guy saying he sees it too,
then it gets addressed. In the DG8SAQ case, he saw it personally and fixed the
software. Of course, he's competent, the ARRL problem is ongoing.

Don't let them get you down.

On 2/17/2016 4:23 PM, Jerry Moore wrote:
> Anyway, I'm putting myself in time out because the general consensus seems
> to be that I'm a complete idiot with a speaker buzzing sound that none of
> the other 11k users can hear because they don't use the speaker even after
> I've taken the time to logically and methodically spell out steps to
> reproduce the issue and my findings.
>

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