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VideoFlyer(at)aol.com
Guest

Posted: Thu Jan 18, 2007 5:57 am Post subject: Electronic Headsets..

I recently converted a pair of headphones with the noise cancelling module from Headsets, Inc.  It was a fairly simple job and I'm happy with the results.  The cost, while not as much as most "off-the-shelf" systems, was about $150...plus the headset.   

  

 Yesterday, I got a catalog/flyer from Harbor Freight.  And in it I found a pair of "electronic earmuffs."  The ad says..."revolutionary technology blocks out only sounds that exceed safety levels."  It uses two AA batteries.  And the sale price is a whopping $9.99 ....regular cost is $19.99!  What's the catch?  Has anyone ever used a pair of these ear muffs?  Do they actually work?  I know.....if something sounds too good to be true, etc. etc.......

  

 Here's the page on their website.....

  

 http://www.harborfreight.com/cpi/ctaf/displayitem.taf?function=Search

  

 Dave

 601XL/Corviar

  [quote][b]

VideoFlyer(at)aol.com
Guest

Posted: Thu Jan 18, 2007 6:08 am Post subject: Electronic Headsets..

Hmmm....I don't think the link that I sent works.  If you search the Harbor Freight web site, look for item number 92851.

  

 Or try this link....maybe it will work.

  

  

 Harbor Freight Tools - Quality Tools at the Lowest Prices

  

  

  

 Dave

  [quote][b]

VideoFlyer(at)aol.com
Guest

Posted: Thu Jan 18, 2007 6:12 am Post subject: Electronic Headsets..

OK....that link doesn't work either....sorry.   If you search for item number 92851 you'll find it.

  

 Dave

  [quote][b]

n282rs(at)satx.rr.com
Guest

Posted: Thu Jan 18, 2007 7:00 am Post subject: Electronic Headsets..

Try this one: 

 ELECTRONIC EAR MUFFS http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92851

 

Where did you see the $9.99. I got $19.99 from  the web site. 

 

Randy Stout

San Antonio TX

www.geocities.com/r5t0ut21; http://www.mykitlog.com/r5t0ut/

n282rs at satx.rr.com 

  

  

  

  

  

  

  [quote]   

   --

tshank(at)core.com
Guest

Posted: Thu Jan 18, 2007 6:29 pm Post subject: Electronic Headsets..

DAve,

 They probably work, not becasue I have bought them but because I bought a set at the drug store for about $10.00 and they work quite well. The ones I bought for use on my computer when I am traveling and watching a movie. I find that the road noise and the radio my wife has on made it difficult to hear the sound. With the cheapy headset that backround road noise just goes away. I have though about buying another set and doing a little transplant to my aircraft headset, but I haven't got around to that yet. What really burns me is this establishes that the circuitry for the noise cancelling is DIRT CHEAP, but the headset manufacturers charge BIG bucks for the feature.

 

 Tim Shankland

 

 VideoFlyer(at)aol.com (VideoFlyer(at)aol.com) wrote: [quote]         I recently converted a pair of headphones with the noise cancelling module from Headsets, Inc.  It was a fairly simple job and I'm happy with the results.  The cost, while not as much as most "off-the-shelf" systems, was about $150...plus the headset.   

    

   Yesterday, I got a catalog/flyer from Harbor Freight.  And in it I found a pair of "electronic earmuffs."  The ad says..."revolutionary technology blocks out only sounds that exceed safety levels."  It uses two AA batteries.  And the sale price is a whopping $9.99 ....regular cost is $19.99!  What's the catch?  Has anyone ever used a pair of these ear muffs?  Do they actually work?  I know.....if something sounds too good to be true, etc. etc.......

    

   Here's the page on their website.....

    

   http://www.harborfreight.com/cpi/ctaf/displayitem.taf?function=Search

    

   Dave

   601XL/Corviar

    	  Quote: 	
		  

	
 [b]

Eddie G.

Joined: 03 Nov 2006
Posts: 15
Location: Los Angeles, CA

Posted: Thu Jan 18, 2007 10:55 pm Post subject: Re: Electronic Headsets..

1. Go to harborfreight's website.

2. Click on the link to the left that reads "Order from Printed Catalog"

3. Enter item number 92851-3RTH

4. In the next screen it wants to sell you 1 and 2 year extended plan - just ignore and click continue. It should now show you the $9.99 price.

5. Click on "End and Display Choices"

6. Click on "Add to Order".



If you end up shopping more than $49.99, use coupon code 621-140-843 for a $5 discount.



Eddie



do not archive

[quote="n282rs(at)satx.rr.com"]Try this one: 

 ELECTRONIC EAR MUFFS http://www.harborfreight.com/cpi/ctaf/displayitem.taf?Itemnumber=92851

 

Where did you see the $9.99. I got $19.99 from  the web site. 

 

Randy Stout

San Antonio TX

www.geocities.com/r5t0ut21; http://www.mykitlog.com/r5t0ut/

n282rs at satx.rr.com 

  

  

  

  

  

  

   	  Quote: 	
		     

   --

_________________
Eddie
-------------------------
"Professionals built the Titanic. Amateurs built the Ark."

lumkes(at)msoe.edu
Guest

Posted: Fri Jan 19, 2007 5:59 am Post subject: Electronic Headsets..

These electronic  headsets are not noise cancelling, they simply cut out the noise when it exceeds  a certain level. There is a microphone on the outside of the earmuff and small  speakers inside. When the noise level is exceeded, the circuitry cuts out the  mic and they act like an normal ear muff. For $10 they work great, probably not  much good for flying, but instead for things like target shooting where a sudden  noise might be damaging to your ears and yet you would like to be able to hear  the people around you during "normal" noise levels. 

  

 John

   [quote][b]

VideoFlyer(at)aol.com
Guest

Posted: Fri Jan 19, 2007 6:27 am Post subject: Electronic Headsets..

<<<<<These electronic headsets are not noise cancelling, they simply cut out the noise when it exceeds a certain level. There is a microphone on the outside of the earmuff and small speakers inside. When the noise level is exceeded, the circuitry cuts out the mic and they act like an normal ear muff>>>>>

  

 Ah...that explains it!   Thanks for your explanation.  Interesting idea...not sure if it would work well in an airplane, though.

  

 Thanks, John.

  

  

  

 Dave

  [quote][b]

tshank(at)core.com
Guest

Posted: Fri Jan 19, 2007 6:01 pm Post subject: Electronic Headsets..

That might explain the ones at Harbor Freight, but the $10.00 ones I bought actually reduce the noise. Another engineer where I work demonstrated them to me before I bought them. We stood at a place in the plant that had a noticeable air handler noise, probably in the ceiling above us, I put on the headsets first with the noise canceling turn off, no change, then I turned it on just like those $1000, Bose headsets the background noise fade away. 

 

 Tim Shankland

 

 VideoFlyer(at)aol.com (VideoFlyer(at)aol.com) wrote: [quote]         <<<<<These electronic headsets are not noise cancelling, they simply cut out the noise when it exceeds a certain level. There is a microphone on the outside of the earmuff and small speakers inside. When the noise level is exceeded, the circuitry cuts out the mic and they act like an normal ear muff>>>>>

    

   Ah...that explains it!   Thanks for your explanation.  Interesting idea...not sure if it would work well in an airplane, though.

    

   Thanks, John.

    

    

    

   Dave

    	  Quote: 	
		  

	
 [b]

pilot4pay

Joined: 01 Jan 2007
Posts: 171
Location: Louisville, KY

Posted: Sat Jan 20, 2007 6:46 am Post subject: Electronic Headsets..

People please keep in mind that all “active” noise reduction circuits are not equal. Bose uses digital signal processing technology with proprietary algorithms. The stuff from Headsets Inc I believe uses an analog circuit along with some filtering and phase shift, then there are the ones that simply use a “noise generator” that puts out a simulation of most common noise signature and sums that out of phase with the ambient noise. There are the passive head sets that have the amplifier set to cut out loud noises commonly seen at shooting ranges.  

There are many ways to skin the cat, some are patented (Bose)(Sony), some are simple, but limited in effect. So be careful when you start spending money assuming that what you are getting can be popped into your aviation headset. I’m sure the people at Headsets inc did a lot of development before marketing their product, and only God knows how much Bose spent. While simple in principle, feed-forward noise cancellation can be a tricky function to tackle effectively. See what documentation says about their method before you buy.  

Tim, did you have a pair of Bose headsets when you did your comparison?  

CS  

         

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Tim Shankland

 Sent: Friday, January 19, 2007 9:00 PM

 To: zenith-list(at)matronics.com

 Subject: Re: Re: Electronic Headsets..  

  

   

That might explain the ones at Harbor Freight, but the $10.00 ones I bought actually reduce the noise. Another engineer where I work demonstrated them to me before I bought them. We stood at a place in the plant that had a noticeable air handler noise, probably in the ceiling above us, I put on the headsets first with the noise canceling turn off, no change, then I turned it on just like those $1000, Bose headsets the background noise fade away. 

 

 Tim Shankland

 

 VideoFlyer(at)aol.com (VideoFlyer(at)aol.com) wrote:     

<<<<<These electronic headsets are not noise cancelling, they simply cut out the noise when it exceeds a certain level. There is a microphone on the outside of the earmuff and small speakers inside. When the noise level is exceeded, the circuitry cuts out the mic and they act like an normal ear muff>>>>>  

    

   

    

Ah...that explains it!   Thanks for your explanation.  Interesting idea...not sure if it would work well in an airplane, though.  

    

   

    

Thanks, John.  

    

   

    

   

    

   

    

Dave  

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_________________
Craig Smith
CH640 builder
SN: 0078

"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin

tshank(at)core.com
Guest

Posted: Sat Jan 20, 2007 7:25 am Post subject: Electronic Headsets..

CS

 I did not have a set of Bose with me but I had tried them up as OSH and although I cannot make a one for one comparison there operation sounded similar. The point is that I think there is a market for inexpensive  noise reduction, the fact that the ones I have don't work as good as the Bose has to be considered with the factor that that the Bose is 2 orders of magnitude more expensive. I use a passive headset in my Zodiac and it works well but it would pay another $20-$30 for another 5 db of noise reduction, but the active noise canceling units available for aircraft are way past my pain point for cost.

 

 Tim Shankland

 

 C Smith wrote: [quote]                   

People please keep in mind that all “active” noise reduction circuits are not equal. Bose uses digital signal processing technology with proprietary algorithms. The stuff from Headsets Inc I believe uses an analog circuit along with some filtering and phase shift, then there are the ones that simply use a “noise generator” that puts out a simulation of most common noise signature and sums that out of phase with the ambient noise. There are the passive head sets that have the amplifier set to cut out loud noises commonly seen at shooting ranges.   

There are many ways to skin the cat, some are patented (Bose)(Sony), some are simple, but limited in effect. So be careful when you start spending money assuming that what you are getting can be popped into your aviation headset. I’m sure the people at Headsets inc did a lot of development before marketing their product, and only God knows how much Bose spent. While simple in principle, feed-forward noise cancellation can be a tricky function to tackle effectively. See what documentation says about their method before you buy.   

Tim, did you have a pair of Bose headsets when you did your comparison?   

CS   

          

   

From: owner-zenith-list-server(at)matronics.com (owner-zenith-list-server(at)matronics.com) [mailto:owner-zenith-list-server(at)matronics.com (owner-zenith-list-server(at)matronics.com)] On Behalf Of Tim Shankland

   Sent: Friday, January 19, 2007 9:00 PM

   To: zenith-list(at)matronics.com (zenith-list(at)matronics.com)

   Subject: Re: Re: Electronic Headsets..   

   

    

That might explain the ones at Harbor Freight, but the $10.00 ones I bought actually reduce the noise. Another engineer where I work demonstrated them to me before I bought them. We stood at a place in the plant that had a noticeable air handler noise, probably in the ceiling above us, I put on the headsets first with the noise canceling turn off, no change, then I turned it on just like those $1000, Bose headsets the background noise fade away. 

   

 Tim Shankland

   

   VideoFlyer(at)aol.com (VideoFlyer(at)aol.com) wrote:       

<<<<<These electronic headsets are not noise cancelling, they simply cut out the noise when it exceeds a certain level. There is a microphone on the outside of the earmuff and small speakers inside. When the noise level is exceeded, the circuitry cuts out the mic and they act like an normal ear muff>>>>>   

      

    

      

Ah...that explains it!   Thanks for your explanation.  Interesting idea...not sure if it would work well in an airplane, though.   

      

    

      

Thanks, John.   

      

    

      

    

      

    

      

Dave   

    	  Quote: 	
		     	
   

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2 [b]

pilot4pay

Joined: 01 Jan 2007
Posts: 171
Location: Louisville, KY

Posted: Sat Jan 20, 2007 9:16 am Post subject: Electronic Headsets..

One last note on noise reduction. Can’t remember if it was an avweb, aopa or direct from the FAA, but I recall reading somewhere in the last 2 weeks that the FAA has published a cautionary message about certain unnamed active noise reduction systems may cover up noise that you may WANT to hear. Abnormal engine or airframe noise may be an early warning to impending failures. Therefore they said that it is up to the user of the equipment to understand how the stuff works, and how it may interfere with hearing abnormal conditions in your aircraft. I’ll try to dig up the original and forward it to the group.  

Tim, I have been looking for a cheap alternative to active noise reduction for literally decades. I simply didn’t have the money to take it up as a workbench project. It is those costs of development that the marketers of those products are trying to recoup. Best of luck in your search.  

CS  

         

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Tim Shankland

 Sent: Saturday, January 20, 2007 10:25 AM

 To: zenith-list(at)matronics.com

 Subject: Re: Re: Electronic Headsets..  

  

   

CS

 I did not have a set of Bose with me but I had tried them up as OSH and although I cannot make a one for one comparison there operation sounded similar. The point is that I think there is a market for inexpensive  noise reduction, the fact that the ones I have don't work as good as the Bose has to be considered with the factor that that the Bose is 2 orders of magnitude more expensive. I use a passive headset in my Zodiac and it works well but it would pay another $20-$30 for another 5 db of noise reduction, but the active noise canceling units available for aircraft are way past my pain point for cost.

 

 Tim Shankland

 

   [quote] [b]

_________________
Craig Smith
CH640 builder
SN: 0078

"Just think how stupid the average person is,
and then realize that half of them are even stupider!"
--George Carlin

craig(at)craigandjean.com
Guest

Posted: Sat Jan 20, 2007 10:08 am Post subject: Electronic Headsets..

http://www.aircraftspruce.com/catalog/avpages/retrofit_kit.php 

  

 http://www.headsetsinc.com/anr_upgrade.htm

 http://www.headsetsinc.com/customer_reviews.htm

  

"AVweb's publisher recently retrofitted  his old David Clark headset with a $169.00 active noise reduction (ANR) kit from  Headsets, Inc., and then test-flew the modified headset in three different  piston aircraft. He found installation straightforward for anyone not  intimidated by a soldering iron. How'd the DC headset perform after the ANR  retrofit? It won't match the comfort or sound quality of a Bose or LightSPEED,  but there was a huge improvement in low-frequency noise attenuation. Final  verdict: the mod kit is definitely worth the cost." 

(http://www.avweb.com/news/reviews/182561-1.html) 

And for  a non-electronic solution: http://www.oregonaero.com/p5859_2001.html 

--  Craig 

 

   [quote][b]

minoxphotographer(at)yaho
Guest

Posted: Sun Jan 21, 2007 1:18 pm Post subject: Electronic Headsets..

I'm curious...

When I was a kid (age 4 till past high school) I flew with my Dad a

LOT...first in a 120, then a 140, then about 10 years worth in a 172. 

We never used headsets. Dad never even owned a set. We always had a

simply mic hanging on a hook on the panel to grab and talk, and there

was a speaker in the ceiling over our heads.  I don't recall ever

having a problem talking to Dad, or to ATC, nor do I recall trouble

hearing them.  Did we just become noise conscious as a group, or did

the planes get louder? Or do we just like looking extra "aviator like"

with headsets on? I must say in more recent history, all the flying

I've done has been in aircraft with headsets, although since I don't

own a finished plane yet, I don't own any either.



Tim in Bovey, MN

701 Rudder Done

Plans set ordered

Rest of tail kit comin' soon



===

You *can* repair a flip-flop with a capacitor!

===

 

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marinegunner(at)gmail.com
Guest

Posted: Sun Jan 21, 2007 3:49 pm Post subject: Electronic Headsets..

Tim,

 Headsets serve two very important functions:

 First - they protect your hearing. I wear hearing aids and wish I had protected my hearing during the first 25 years of my 50 years worth of aviation involvement.\

 Second - They provide for much better communications with ATC, etc. As a result, safety is enhanced for everyone. Less miscommunication, less stress due to lower volumn and much more.

 My advise is to always use headsets - good ones.

-- 

Semper Fi,

Steven R. Hulland

CH 600 Taildragger

Amado, AZ



This and all other incoming/outgoing email, attachments and replies scanned prior to opening/sending and uses an external firewall to help insure virus free email and attachments.  

  [quote][b]

gboothe5(at)comcast.net
Guest

Posted: Sun Jan 21, 2007 4:07 pm Post subject: Electronic Headsets..

To hear better can’t we just pull the string tighter?  

     

Gary Boothe 

 Cool, CA 

 601 HDSTD, WW Conversion 90% done, 

 Tail done, wings done, working on c-section   

Do not archive.      

  

From: owner-zenith-list-server(at)matronics.com [mailto:owner-zenith-list-server(at)matronics.com] On Behalf Of Steve Hulland

 Sent: Sunday, January 21, 2007 3:49 PM

 To: zenith-list(at)matronics.com

 Subject: Re: Re: Re: Electronic Headsets..  

  

     

Tim,  

    

Headsets serve two very important functions:  

    

First - they protect your hearing. I wear hearing aids and wish I had protected my hearing during the first 25 years of my 50 years worth of aviation involvement.\  

    

Second - They provide for much better communications with ATC, etc. As a result, safety is enhanced for everyone. Less miscommunication, less stress due to lower volumn and much more.  

    

My advise is to always use headsets - good ones.

 

 

 -- 

 Semper Fi,

 Steven R. Hulland

 CH 600 Taildragger

 Amado, AZ

 

 This and all other incoming/outgoing email, attachments and replies scanned prior to opening/sending and uses an external firewall to help insure virus free email and attachments.   

   	  Quote: 	
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1 	  Quote: 	
		   	
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marinegunner(at)gmail.com
Guest

Posted: Sun Jan 21, 2007 4:27 pm Post subject: Electronic Headsets..

Gary

 A tighter string would probably work.

 Do Not Archive



 

 On 1/21/07, Gary Boothe <gboothe5(at)comcast.net (gboothe5(at)comcast.net)> wrote:  	  Quote: 	
		     

To hear better can't we just pull the string tighter? 

   

Gary Boothe 

Cool, CA 

 601 HDSTD, WW Conversion 90% done, 

Tail done, wings done, working on c-section   

Do not archive.   

 

From:  owner-zenith-list-server(at)matronics.com (owner-zenith-list-server(at)matronics.com) [mailto:owner-zenith-list-server(at)matronics.com (owner-zenith-list-server(at)matronics.com)]  On Behalf Of Steve Hulland

Sent: Sunday, January 21, 2007 3:49 PM

To:  zenith-list(at)matronics.com (zenith-list(at)matronics.com)

Subject: Re: Re: Re: Electronic Headsets..

 

   

Tim,

  

Headsets serve two very important functions:

  

First - they protect your hearing. I wear hearing aids and wish I had protected my hearing during the first 25 years of my 50 years worth of aviation involvement.\ 

  

Second - They provide for much better communications with ATC, etc. As a result, safety is enhanced for everyone. Less miscommunication, less stress due to lower volumn and much more. 

  

My advise is to always use headsets - good ones.

-- 

Semper Fi,

Steven R. Hulland

CH 600 Taildragger

Amado, AZ



This and all other incoming/outgoing email, attachments and replies scanned prior to opening/sending and uses an external firewall to help insure virus free email and attachments.  

 	  Quote: 	
		   

 







 

	


	


-- 

Semper Fi,

Steven R. Hulland

CH 600 Taildragger

Amado, AZ



This and all other incoming/outgoing email, attachments and replies scanned prior to opening/sending and uses an external firewall to help insure virus free email and attachments.   [quote][b]

Gig Giacona

Joined: 10 Jan 2006
Posts: 1416
Location: El Dorado Arkansas USA

Posted: Sun Jan 21, 2007 4:28 pm Post subject: Hearing Protection WAS Re: Electronic Headsets..

Tim I had much the same upbringing in and around aircraft. I flew with my grandfather in everything from Cubs to Lear Jets. It wasn't until the company he flew for purchased a Citation 1 that I ever saw him put on a headset and he only did it then because it was part of the single pilot requirements for the aircraft.



That said I wish I'd worn them through my flying. I didn't start using them until I got my helicopter rating in '95. 



There is a ton of low frequency noise  in aircraft that will, not might, but will damage your hearing. 



About 2 or 3 years ago I noticed having to turn the TV up a little louder. I got my hearing checked for the first time in years and when the Dr. was looking at the results he asked, "Do you fly?"



He then went on to tell me that "For 30 years or so , right?"



Wear them, and make you passengers wear them especially if they are kids.



Add to that, assuming you have a good pair you really can hear the radio better. 



 	  minoxphotographer(at)yaho wrote: 	
		  I'm curious...

When I was a kid (age 4 till past high school) I flew with my Dad a

LOT...first in a 120, then a 140, then about 10 years worth in a 172. 

We never used headsets. Dad never even owned a set. We always had a

simply mic hanging on a hook on the panel to grab and talk, and there

was a speaker in the ceiling over our heads.  I don't recall ever

having a problem talking to Dad, or to ATC, nor do I recall trouble

hearing them.  Did we just become noise conscious as a group, or did

the planes get louder? Or do we just like looking extra "aviator like"

with headsets on? I must say in more recent history, all the flying

I've done has been in aircraft with headsets, although since I don't

own a finished plane yet, I don't own any either.



Tim in Bovey, MN

701 Rudder Done

Plans set ordered

Rest of tail kit comin' soon

_________________
W.R. "Gig" Giacona
601XL Under Construction
See my progress at www.peoamerica.net/N601WR

ggower_99(at)yahoo.com
Guest

Posted: Sun Jan 21, 2007 6:36 pm Post subject: Electronic Headsets..

The fish are biting.

 [url=http://us.rd.yahoo.com/evt=49679/*http://searchmarketing.yahoo.com/arp/sponsoredsearch_v2.php?o=US2140&cmp=Yahoo&ctv=Q107Tagline&s=Y&s2=EM&b=50] Get more visitors[/url] on your site using [url= http://us.rd.yahoo.com/evt=49679/*http://searchmarketing.yahoo.com/arp/sponsoredsearch_v2.php?o=US2140&cmp=Yahoo&ctv=Q107Tagline&s=Y&s2=EM&b=50]Yahoo! Search Marketing.[/url] [quote][b]

stutzman(at)stutzman.com
Guest

Posted: Sun Jan 21, 2007 8:29 pm Post subject: Electronic Headsets..

On Sun, 21 Jan 2007, Gig Giacona wrote:



 	  Quote: 	
		   That said I wish I'd worn them through my flying. I didn't start using 

 them until I got my helicopter rating in '95.


	


I've only been flying for not quite 15 years.  One of the things I noticed 

early on was that all of the old crusty flight instructors who had been 

seriously flyig for 40 years+ all had hearing aides.



I figure the most expensive headset I can get is going to bec heaper than 

the cheapest hearing aide I could get.



Frank Stutzman

Bonanza N494B     "Hula Girl"

Hood River, OR    (soon to be Boise, ID)

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