Tinnitus and the K3 RX EQ and Related Variables

[Edward A. Dauer]

A question about special settings for the K3’s RX EQ, AFX, filter width and passband settings and other on-board parameters for a particular problem . . .

Just had a long visit with an audiologist, about a worsening tinnitus condition.  Principal underlying cause is loss of acuity at the high end of the audio scale.  I will not mention or ask about any of the contributing neurology, physiology, psychology or any other medical ology lest this post be branded with the Scarlet Letters OT.   Other than to say, that to avoid making the situation worse I am told I should avoid exposing myself to audio environments that would make the underlying acuity loss worse.

Has anyone who has faced this learned anything by experience or otherwise about the filter, EQ, and other settings for the K3 in both SSB and CW modes that would be best for this sort of thing?

Please, speak up.

Thanks,

Ted, KN1CBR

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[Ken Widelitz-2]

Hi Ted,

I lost about 60% of the hearing in my left ear about 6 years ago as a result of a virus that I didn't know I had until I thought I had water in my ear for over a week went to the doctor. The loss sharply increases after 550 - 600 hz, so it doesn't affect CW as much as phone. I also have a high frequency tinnitus, around 12 -14 khz. Honestly, I believe years of hamming have helped me filter out and deal with the tinnitus. A hearing aid also helps with the tinnitus, but for me does not help intelligibility at all.

For me the issue with the K3 was I couldn't get enough volume to my left ear despite tweaking the RX EQ.

I bought the new Heil PRAS as soon as it was available. I built a little breakout box to put it on the left ear only and I totally forget I have a hearing loss during contests. The PRAS can be optimized for your CW sweet spot or for SSB. It works very well. I turn up the volume until a mono signal is centered in my head overcoming the hearing deficit. I don't know how much credit the PRAS gets but the first time I used it for SS Phone was in 2018 and I came in 2nd SOU. I've never made the top 10 in SS Phone in any category ever before.

Prior to the PRAS I used a FIIO headphone amp. They are much less expensive ($125 vs. $500.) They also worked for me, but IMHO the PRAS is better as it is designed for ham audio. The negatives are the price (I've asked Bob Heil to sell it without the powered speaker, but as of yet they don't) and the fact that it is a mono device (which isn't so much of a negative for me since my right ear still works fine.) To answer another of your questions, with the headphone amp I use the other K3 settings as I always have. Before I used a headphone amp, I never perceived an improvement in hearing from tweaking filters, RX EQ or other parameters.

Does the increased volume further damage my hearing? I don't know. I don't care. I am functionally deaf in the left ear already. I do not perceive an increase in tinnitus or a further loss of hearing after a 48 hour contest as the result of using a headphone amp. Nor do I perceive an increase in hearing Morse coming from the fridge, faucet or AC after a CW contest, which I have always heard.

73, Ken, K6LA / VY2TT

-----Original Message-----
From: [hidden email] [mailto:[hidden email]] On Behalf Of Walter Underwood
Sent: Wednesday, March 27, 2019 3:20 PM
To: [hidden email]
Subject: Re: [Elecraft] Tinnitus and the K3 RX EQ and Related Variables

I m not quite clear about the audiologist s recommendations. Did they tell you to avoid loud, high frequency sound?

If so, ask them whether they consider 3 kHz to be high frequency. That is the highest frequency you should hear from an amateur SSB signal. Unless they and you are in ESSB mode, which would make it 4 kHz.

I expect that they don t consider 3 kHz to be high frequency. If that is true, you can do what ever you want with RX EQ.

wunder
K6WRU
Walter Underwood
CM87wj
http://observer.wunderwood.org/ (my blog)

> On Mar 27, 2019, at 3:12 PM, Dauer, Edward <[hidden email]> wrote:
>
> A question about special settings for the K3 s RX EQ, AFX, filter width and passband settings and other on-board parameters for a particular problem . . .
>
> Just had a long visit with an audiologist, about a worsening tinnitus condition.  Principal underlying cause is loss of acuity at the high end of the audio scale.  I will not mention or ask about any of the contributing neurology, physiology, psychology or any other medical ology lest this post be branded with the Scarlet Letters OT.   Other than to say, that to avoid making the situation worse I am told I should avoid exposing myself to audio environments that would make the underlying acuity loss worse.
>
> Has anyone who has faced this learned anything by experience or otherwise about the filter, EQ, and other settings for the K3 in both SSB and CW modes that would be best for this sort of thing?
>
> Please, speak up.
>
> Thanks,
>
> Ted, KN1CBR
>
> ______________________________________________________________
> 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

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[Gwen Patton]

I should probably see an audiologist someday. I've had nasty tinnitus as
long as I can remember. I spent most of my youth around loud musical
instruments, having begun playing brass instruments in 3rd grade. I've been
in many loud environments since, even though I don't recall it being a lot
of times until around 2001, when I got into shooting. But I always used
really good hearing protection.

I'm finding pulling weak signals out of radio noise difficult. The biggest
problem is that my tinnitus pulses. It'll get louder, change frequency,
then get quieter, and seems to shift from ear to ear, almost as if I'm
hearing a real sound that's changing phase. That plays hob with CW signals,
let me tell you! If I listen to S9 white noise, no matter whether there's a
signal there or not, I can always hear something that could be a very faint
CW signal. It isn't there, but my brain THINKS it is, and tries to decode
it and can't. It's very frustrating, to have a sort of bandit signal in
one's own ears. Maybe an audiologist can help me with it, and I'm glad
someone popped up with the idea, because it had never occurred to me that
there WERE audiologists (of course there are, why wouldn't there be?) until
I read this post.

Sorry if there isn't enough topic in it, but part of ham radio is being
able to perceive the signals, after all. If I'm going to be losing my
hearing, I want to start learning to use visual cues for CW signals early
on, so I don't lose the ability entirely!

Gwen, NG3P

On Wed, Mar 27, 2019 at 7:02 PM Ken Widelitz <[hidden email]> wrote:

> Hi Ted,
>
> I lost about 60% of the hearing in my left ear about 6 years ago as a
> result of a virus that I didn't know I had until I thought I had water in
> my ear for over a week went to the doctor. The loss sharply increases after
> 550 - 600 hz, so it doesn't affect CW as much as phone. I also have a high
> frequency tinnitus, around 12 -14 khz. Honestly, I believe years of hamming
> have helped me filter out and deal with the tinnitus. A hearing aid also
> helps with the tinnitus, but for me does not help intelligibility at all.
>
> For me the issue with the K3 was I couldn't get enough volume to my left
> ear despite tweaking the RX EQ.
>
> I bought the new Heil PRAS as soon as it was available. I built a little
> breakout box to put it on the left ear only and I totally forget I have a
> hearing loss during contests. The PRAS can be optimized for your CW sweet
> spot or for SSB. It works very well. I turn up the volume until a mono
> signal is centered in my head overcoming the hearing deficit. I don't know
> how much credit the PRAS gets but the first time I used it for SS Phone was
> in 2018 and I came in 2nd SOU. I've never made the top 10 in SS Phone in
> any category ever before.
>
> Prior to the PRAS I used a FIIO headphone amp. They are much less
> expensive ($125 vs. $500.) They also worked for me, but IMHO the PRAS is
> better as it is designed for ham audio. The negatives are the price (I've
> asked Bob Heil to sell it without the powered speaker, but as of yet they
> don't) and the fact that it is a mono device (which isn't so much of a
> negative for me since my right ear still works fine.) To answer another of
> your questions, with the headphone amp I use the other K3 settings as I
> always have. Before I used a headphone amp, I never perceived an
> improvement in hearing from tweaking filters, RX EQ or other parameters.
>
> Does the increased volume further damage my hearing? I don't know. I don't
> care. I am functionally deaf in the left ear already. I do not perceive an
> increase in tinnitus or a further loss of hearing after a 48 hour contest
> as the result of using a headphone amp. Nor do I perceive an increase in
> hearing Morse coming from the fridge, faucet or AC after a CW contest,
> which I have always heard.
>
> 73, Ken, K6LA / VY2TT
>
> -----Original Message-----
> From: [hidden email] [mailto:
> [hidden email]] On Behalf Of Walter Underwood
> Sent: Wednesday, March 27, 2019 3:20 PM
> To: [hidden email]
> Subject: Re: [Elecraft] Tinnitus and the K3 RX EQ and Related Variables
>
> I m not quite clear about the audiologist s recommendations. Did they tell
> you to avoid loud, high frequency sound?
>
> If so, ask them whether they consider 3 kHz to be high frequency. That is
> the highest frequency you should hear from an amateur SSB signal. Unless
> they and you are in ESSB mode, which would make it 4 kHz.
>
> I expect that they don t consider 3 kHz to be high frequency. If that is
> true, you can do what ever you want with RX EQ.
>
> wunder
> K6WRU
> Walter Underwood
> CM87wj
> http://observer.wunderwood.org/ (my blog)
>
> > On Mar 27, 2019, at 3:12 PM, Dauer, Edward <[hidden email]> wrote:
> >
> > A question about special settings for the K3 s RX EQ, AFX, filter width
> and passband settings and other on-board parameters for a particular
> problem . . .
> >
> > Just had a long visit with an audiologist, about a worsening tinnitus
> condition.  Principal underlying cause is loss of acuity at the high end of
> the audio scale.  I will not mention or ask about any of the contributing
> neurology, physiology, psychology or any other medical ology lest this post
> be branded with the Scarlet Letters OT.   Other than to say, that to avoid
> making the situation worse I am told I should avoid exposing myself to
> audio environments that would make the underlying acuity loss worse.
> >
> > Has anyone who has faced this learned anything by experience or
> otherwise about the filter, EQ, and other settings for the K3 in both SSB
> and CW modes that would be best for this sort of thing?
> >
> > Please, speak up.
> >
> > Thanks,
> >
> > Ted, KN1CBR
> >
> > ______________________________________________________________
> > 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
>
> ______________________________________________________________
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> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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> Please help support this email list: http://www.qsl.net/donate.html
>
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> Post: mailto:[hidden email]
>
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> Please help support this email list: http://www.qsl.net/donate.html
>

--

-+-+-+-+-
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http://quarktime.net
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[Jim Brown-10]

On 3/27/2019 6:28 PM, Gwen Patton wrote:
> Maybe an audiologist can help me with it, and I'm glad
> someone popped up with the idea, because it had never occurred to me that
> there WERE audiologists (of course there are, why wouldn't there be?) until
> I read this post.

Yes, you should. But watch your wallet when he/she tries to sell you the
hearing aids that pay her/him a BIG commission.

73, Jim K9YC

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[Don Wilhelm]

Gwen and all,

If you find yourself in that situation, get yourself good hearing aids
and wear them all the time during your waking hours.  In most cases,
that will reduce the tinnitus drastically or eliminate it.
Your brain will soon figure out that it does not have to invent sounds
that produce the tinnitus.  Yes, you will need the help of a good
audiologist to get the customized programming for your particular ears
set right for you - which frequency bands need amplification and by how
much is not a trivial undertaking.

The DSP programming in modern hearing aids is really amazing.  I don't
know how they get so much function in such a small device.

They are expensive, but well worth it.

73,
Don W3FPR

On 3/27/2019 9:28 PM, Gwen Patton wrote:
> I should probably see an audiologist someday. I've had nasty tinnitus as
> long as I can remember. I spent most of my youth around loud musical
> instruments, having begun playing brass instruments in 3rd grade. I've been
> in many loud environments since, even though I don't recall it being a lot
> of times until around 2001, when I got into shooting. But I always used
> really good hearing protection.
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[Elecraft mailing list]

I second the motion about hearing aids and cost.  Get a couple of opinions from different vendors and don’t be afraid to ask your friends.... look closely and many of your friends may have hearing aids that you were not aware of.

My audiologist has been in the business since a kid as his father was the only local audiologist back in the day here in Traverse City.  He knows about us hams and listens to our needs.  His prices are also lower than some of the new pretty ladies who are popping up on every corner in this popular home for senior citizens and paying for TV advertising.

Locally our Sams Club has decent prices and now Costco is in town too.

A good pair of bluetooth hearing aids cost around $5000 but are worth it to me.  I can make adjustments on the fly and also listen to my iPhone without wearing ear buds.  I can also vary the ability to knock down noise in restaurants and on radio or enhance speech.  At music concerts I can adjust them for different auditoriums and even different kinds if music.  With a bluetooth transmitter or the TV ears hooked to my xcvr I can pipe the sound right to my hearing aids. It is great. The VA has hearing aid benefits but their service isn’t local. You have to drive down state to get them and for any adjustment.

I guess the thing I am trying to say is if you have a hearing loss you are losing out on life.  Get tested and at least try them.  There is no charge until you buy.  Also some audiologists take trade ins or have sets from clients who have passed away and will give them to you with a low cost to adjust them to your needs.  Don’t be afraid to ask.  Your family will thank you and life will be much better. I think hearing loss is one of the reasons older hams can get crotchety (my wife says I am both of those). Ha!

From one who has been there, done that!

Dave K8WPE

David J. Wilcox K8WPE’s iPad

> On Mar 28, 2019, at 12:32 AM, Don Wilhelm <[hidden email]> wrote:
>
> Gwen and all,
>
> If you find yourself in that situation, get yourself good hearing aids and wear them all the time during your waking hours.  In most cases, that will reduce the tinnitus drastically or eliminate it.
> Your brain will soon figure out that it does not have to invent sounds that produce the tinnitus.  Yes, you will need the help of a good audiologist to get the customized programming for your particular ears set right for you - which frequency bands need amplification and by how much is not a trivial undertaking.
>
> The DSP programming in modern hearing aids is really amazing.  I don't know how they get so much function in such a small device.
>
> They are expensive, but well worth it.
>
> 73,
> Don W3FPR
>
>> On 3/27/2019 9:28 PM, Gwen Patton wrote:
>> I should probably see an audiologist someday. I've had nasty tinnitus as
>> long as I can remember. I spent most of my youth around loud musical
>> instruments, having begun playing brass instruments in 3rd grade. I've been
>> in many loud environments since, even though I don't recall it being a lot
>> of times until around 2001, when I got into shooting. But I always used
>> really good hearing protection.
> ______________________________________________________________
> Elecraft mailing list
> Home: http://mailman.qth.net/mailman/listinfo/elecraft
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>
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> Please help support this email list: http://www.qsl.net/donate.html

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[Jim Brown-10]

On 3/28/2019 1:37 AM, David Wilcox via Elecraft wrote:
> Locally our Sams Club has decent prices and now Costco is in town too.

I investigated this when my XYL wanted (and needed) aids. Costco has a
great reputation for first class aids at half the cost of the same stuff
from private audiologists. I went with her for her exams and fittings,
and also had my own hearing checked. I'm a retired audio professional,
Fellow of the Audio Engineering Society and emeritus member of the
Acoustical Society of America, so I have strong background in these
issues. I was VERY impressed with everything they did for her and for
me, and a year later, she's still a very happy camper.

At 77 years old, I've got significant high frequency hearing loss, but
my needs are different from hers, and I haven't yet decided that I need
aids. When I do, I'll go to Costco.

In the short term, I've used this product from a first rate company in
Chicago whose engineers were active in our AES section. They are a good
solution for moderate, age-related loss of high frequency hearing, and
at moderate cost. Their response is tailored for that, and there are two
gain settings -- about 15 dB and about 25 dB. I use them on the lower
setting when I'm going to be in an acoustic setting listening to a
speaker that I'm interested in, and where the PA is not great. They are
NOT a good solution for the tinnitus issues of original poster in this
thread.

https://www.etymotic.com/consumer/personal-sound-amplifiers/bean-qsa.html

For those with modest hearing loss, RXEQ can be adjusted with lots of
cut in the lower octave bands and boost in the higher octave bands.
Whether this is enough will depend on our own hearing loss. My friend
K6DGW, who has a lot of hearing loss, says it helps him.

73, Jim K9YC

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[Charlie T, K3ICH]

I'll second the Costco recommendation.

That said, their resident audiologist told me flat out, even the best will
not make your ears suddenly 16 years old again.
They can do wonders, but don't expect them to be perfect.

He has tweaked mine a couple times over the years for minor improvements and
I have to choose their program (blue-tooth link to phone)  depending on my
environment, home, in a crowd,  listening to music, etc.

I will say that they make a yuge difference and offer some advice to you
"younger" guys....take care of your ears.
If you're running a chain saw or a lawn mower (or playing lead guitar in a
metal band), WEAR EAR PROTECTION.

For years, I didn't and I am now paying the price.
(Well, maybe not the metal band part...but as they used to say, "If the
music's too loud, you're too old", which is NOT the best advice for your
ears.)

73, Charlie k3ICH








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[David Woolley (E.L)]

I would expect an audiologist to consider 3kHz as a high frequency, as
they are generally interested in speech intelligibility, and hearing
aids are not, generally, high bandwidth devices.

It's also high in musician's terms, being three and a bit octaves above
middle C.

Someone with age related loss could easily be about 40dB down at that
frequency.

On 27/03/2019 22:19, Walter Underwood wrote:
> If so, ask them whether they consider 3 kHz to be high frequency.

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[Barry]

Ted,

If the RX EQ isn't enough, and you're interested in a relatively simple
homebrew project, I recall an article in
QST by Hal, N4GG, about 15 years ago, for an outboard equalizer for use with
headphones.

Barry W2UP



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[Randy Moore]

Just want to echo the comments on hearing aids from Costco. I’ve had excellent service, excellent hearing aids, and very good pricing from our local Costco.

73,
Randy, KS4L

> On Mar 28, 2019, at 4:17 AM, Jim Brown <[hidden email]> wrote:
>
>> On 3/28/2019 1:37 AM, David Wilcox via Elecraft wrote:
>> Locally our Sams Club has decent prices and now Costco is in town too.
>
> I investigated this when my XYL wanted (and needed) aids. Costco has a great reputation for first class aids at half the cost of the same stuff from private audiologists. I went with her for her exams and fittings, and also had my own hearing checked. I'm a retired audio professional, Fellow of the Audio Engineering Society and emeritus member of the Acoustical Society of America, so I have strong background in these issues. I was VERY impressed with everything they did for her and for me, and a year later, she's still a very happy camper.
>
> At 77 years old, I've got significant high frequency hearing loss, but my needs are different from hers, and I haven't yet decided that I need aids. When I do, I'll go to Costco.
>
> In the short term, I've used this product from a first rate company in Chicago whose engineers were active in our AES section. They are a good solution for moderate, age-related loss of high frequency hearing, and at moderate cost. Their response is tailored for that, and there are two gain settings -- about 15 dB and about 25 dB. I use them on the lower setting when I'm going to be in an acoustic setting listening to a speaker that I'm interested in, and where the PA is not great. They are NOT a good solution for the tinnitus issues of original poster in this thread.
>
> https://www.etymotic.com/consumer/personal-sound-amplifiers/bean-qsa.html
>
> For those with modest hearing loss, RXEQ can be adjusted with lots of cut in the lower octave bands and boost in the higher octave bands. Whether this is enough will depend on our own hearing loss. My friend K6DGW, who has a lot of hearing loss, says it helps him.
>
> 73, Jim K9YC
>
> ______________________________________________________________
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[KE8G-2]

Yep, Costco for hearing aids is the best.  My wife has had them for years,
and we are going there today for "tune up".  Always great service, and with
our back and forth to Texas, we always have a Costco for follow up, if
needed.

73 de Jim - KE8G

On Thu, Mar 28, 2019 at 9:18 AM Randy Moore <[hidden email]> wrote:

> Just want to echo the comments on hearing aids from Costco. I’ve had
> excellent service, excellent hearing aids, and very good pricing from our
> local Costco.
>
> 73,
> Randy, KS4L
>
> > On Mar 28, 2019, at 4:17 AM, Jim Brown <[hidden email]>
> wrote:
> >
> >> On 3/28/2019 1:37 AM, David Wilcox via Elecraft wrote:
> >> Locally our Sams Club has decent prices and now Costco is in town too.
> >
> > I investigated this when my XYL wanted (and needed) aids. Costco has a
> great reputation for first class aids at half the cost of the same stuff
> from private audiologists. I went with her for her exams and fittings, and
> also had my own hearing checked. I'm a retired audio professional, Fellow
> of the Audio Engineering Society and emeritus member of the Acoustical
> Society of America, so I have strong background in these issues. I was VERY
> impressed with everything they did for her and for me, and a year later,
> she's still a very happy camper.
> >
> > At 77 years old, I've got significant high frequency hearing loss, but
> my needs are different from hers, and I haven't yet decided that I need
> aids. When I do, I'll go to Costco.
> >
> > In the short term, I've used this product from a first rate company in
> Chicago whose engineers were active in our AES section. They are a good
> solution for moderate, age-related loss of high frequency hearing, and at
> moderate cost. Their response is tailored for that, and there are two gain
> settings -- about 15 dB and about 25 dB. I use them on the lower setting
> when I'm going to be in an acoustic setting listening to a speaker that I'm
> interested in, and where the PA is not great. They are NOT a good solution
> for the tinnitus issues of original poster in this thread.
> >
> >
> https://www.etymotic.com/consumer/personal-sound-amplifiers/bean-qsa.html
> >
> > For those with modest hearing loss, RXEQ can be adjusted with lots of
> cut in the lower octave bands and boost in the higher octave bands. Whether
> this is enough will depend on our own hearing loss. My friend K6DGW, who
> has a lot of hearing loss, says it helps him.
> >
> > 73, Jim K9YC
> >
> > ______________________________________________________________
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[Elecraft mailing list]

 Re. Gwen, NG3P comment:  I should probably see an audiologist someday. I've had nasty tinnitus as
long as I can remember.

Yes, you should...no, you MUST!  It is amazing how much hearing deficiencies affect us and we don't even know it.  I am not a doctor or audiologist, but I suspect that if you have tinnitus, you probably have some hearing loss.


 There are lots of good instruments (hearing aids) on the market today spread over a wide price range.  I have tried many of them (including Kirkland brand from Costco), and they all differ somewhat, but have one thing in common.  They are only as good as the audiologist who adjusts them (in my case the Costco audiologist was not very good), and your willingness to allow your brain to accept them (your brain must learn to use them).  If either of these are factors are not there, you are wasting your money, and you will continue to suffer.  You may not realize you are suffering, but everyone around you will.

Do not expect immediate results.  You may hate them initially.  You can hear yourself talk...and breathe!  Wear them anyway, all day long when possible.  Do not expect things to be perfect after one visit to the audiologist.  Do not expect the tinnitus to go away immediately, or stay away!  It all takes time.  You must learn.  The brain responds to suggestions, so with my instruments in and operating, I am experiencing ringing simply because I am reading and writing on this thread.  I do know that it will go away once my mind is distracted to a different topic.  Before hearing aids, there was no relief.  The ringing was with me most all the time, and it was driving me crazy!

Sorry, I probably pulled this a bit more off-topic, but I feel that it is important for us to fix our own hearing problem rather than expecting Elecraft to compensate for all of it.  I know that I had started to shut the world around me completely out because I couldn't hear things clearly.  I demonstrate that to myself when I forget to put my instruments in when I wake up in the mornings.

Mark
KE6BB

 

    On Wednesday, March 27, 2019, 6:31:13 PM PDT, Gwen Patton <[hidden email]> wrote:  
 
 I should probably see an audiologist someday. I've had nasty tinnitus as
long as I can remember. I spent most of my youth around loud musical
instruments, having begun playing brass instruments in 3rd grade. I've been
in many loud environments since, even though I don't recall it being a lot
of times until around 2001, when I got into shooting. But I always used
really good hearing protection.


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[Gary Smith-2]

Costco. I bought their new Phonak at a
true savings. Their Kirkland brand are
fantastic too. Free replacement if lost
for the first 2 years...

73,

Gary
KA1J

> On 3/27/2019 6:28 PM, Gwen Patton wrote:
> > Maybe an audiologist can help me with it, and I'm glad
> > someone popped up with the idea, because it had never occurred to me
> > that there WERE audiologists (of course there are, why wouldn't
> > there be?) until I read this post.
>
> Yes, you should. But watch your wallet when he/she tries to sell you
> the hearing aids that pay her/him a BIG commission.
>
> 73, Jim K9YC
>
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[Elecraft mailing list]

A friend who was slowly going blind commented: "Blindness cuts you off
from things; deafness cuts you off from people." For most folks most of
the time, deafness is gradual and therefore unnoticed - for the most
part. The world slowly becomes more distant, the deafening person more
isolated. Don't let this happen! Seconds and thirds to those earlier in
this thread who said much the same thing(s).
...robert

--
Robert G Strickland, PhD ABPH - KE2WY
[hidden email]
Syracuse, New York, USA
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[Ignacy]

I used to have a dual channel 15-band equalizer. It could quickly compensate
for deficiencies in my ear and  signals. Compared to software equalizers,
you can manipulate them rapidly for max readability. Many times a difficult
copy became an easy copy.

However, the equalizer was susceptible to RFI, had some background noise and
it took lots of space. Now I use RX EQ in K3. Good but not as good as the
manual equalizer.

Ignacy, NO9E



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[Eric Swartz - WA6HHQ]

Folks - Let's close this thread now as it has drifted more OT and is also
exceeding the 'soft' 10 post OT posting limit limit.

Eric
Mooderator
/elecraft.com/

On 3/28/2019 7:07 AM, KE8G wrote:
> Yep, Costco for hearing aids is the best.  My wife has had them for years,
> and we are going there today for "tune up".  Always great service, and with
> our back and forth to Texas, we always have a Costco for follow up, if
> needed.
>
> 73 de Jim - KE8G
>

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[Doug Renwick]

I have just ordered a pair of Kirkland hearing aids from Costco and I have
two questions:
1. Are these behind the ear aids susceptible to high levels of RFI?
2. Kirkland/Costco offer two different sizes of behind the ear, a smaller
one using type 312 batteries with a life of 4-5 days or a slightly larger
one using a type13 battery with a life around 10 days.
Both batteries are really cheap at $11.99 for 48.
What has been people's experience?

Doug

"The difference between stupidity and genius is that genius has its limits."
Albert Einstein




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