Howard Leight Impact Sport - Making them Better
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- เผยแพร่เมื่อ 16 ก.ค. 2024
- I've had this idea to get better performance out of my electronic hearing protection ear muff headsets ever since I accidentally popped the covers on a cheap CE headset and went where no one was ever meant to go. I was somewhat dismayed by the utter lack of sound dampening material in the major open space that surrounds the electronics of the headset. I am by no means a "PROFESSOR PROTON", but I would think that any science savy individual would recognize these open spaces as an ingress for sound waves, in opposition to the intended purpose of the product. About this time I had ordered a pair of Howard Leight Impact Sport headsets. Before they arrived, and while researching the subject on TH-cam, I came across a post by "Endless DIY" dated March 18, 2018 ( • How To Improve Howard ... ). She investigated the same model HLIS, and pointed out the same deficiency that was present in the cheap pair that I started out with. Her efforts to correct those deficiencies put me on the path you find me on now. I plan to use a different medium to fill those air spaces and also employ some aftermarket Gel Pads. I will take noise readings along the way to see if my efforts produce the desired results. You might say that maybe I should have just bought a high end pair to start with, but what's the fun in that. I'd really like to know if anyone has dissected some more expensive models to see if they have better construction in this area. The manufacturers of this type hearing protection in this price range all claim a NRR of 22-23 db. So, the question is, if my effort actually adds to the products NRR, will any of them take notice and adopt this or similar method? What's it worth to be able to advertise a higher NRR rating over a competitor?
I am including a few other links that support my research on this matter.
• Gunshot Sound Testing ...
• How to Modify Impact S... - แนวปฏิบัติและการใช้ชีวิต
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Nice job! I love that you were able to measure your results and share them. I like the "outside the box" approach with the blasting grit, you ust never know what will work. I think we're definitely on the right path! Well done and clearly explained video. Thanks for the shout-out, too, I appreciate that. :)
You got it, thanks.
Have you gone to the range and compared the end result here with your initial range time?
@@davewilson9771 I did a couple of days ago. I can honestly say that there not only is a measurable difference but an empirical one as well. Shot about 50 rifled slugs through my BP12 and with the combined improvements it's definitely better.
WOW!😳 4.3 NRR Improvement. That is amazing. Nicely done Sir 👍🍺
In spite of this being shooting related I wholeheartedly thank you for the following 1. Not having a heavy guitar rock song intro. 2. Not saying "run" instead of "use" for everything, for example, gun people say "I RUN this hearing protector", or "I run this optic" etc. 3. As an instructional video, you didn't use the phrase "Go ahead and..." excessively. You also didn't try to sound perky like you took anti-depressants or try to make the video sound like you are doing a TV show.
Keep up the good work.
One phrase you missed "this bad boy" and call sporting firearms weapons', a description of weapons' is a device used for mayhem.
they need to see this
Thanks, I was thinking about packing mine, but I believe I will get better NR if I simply add gel ear plug instead.
Nice video, I am considering this myself. Have you had any issues with the sand damaging any of the electronics or the solder? Do your earmuffs cancel the speakers with a hand clap or does it need to be louder than that. I have a new pair and they don't do that but my old cheapy other brand does. Thanks for the great video.
And yes, I sent a link to HONEYWELL and so far, predictably, not a peep.
Sand is not my first choice for sure. Using ear plugs would work great or a very similar product. Nice video.
Hi ! Great video ! I've recently bought the same pair of muffs and I modded it by putting dense insulation foam in it. Small but noticable improvement, I'm waiting for my gel cups. I'm curious about the headband wrap, where did you found it ? Thank you
I think I found it on EBay or Amazon. They are fairly common. If I can find the link I'll edit this.
Edit: Found it on Amazon... search "Opsmen headband" and you will see several options.
Did it effect the volume of the sound being transmitted through the speaker? I noticed the material being poured on the speaker and was curious. Great work!
The volume was never very loud at maximum, but after the modifications I did not notice any diminishment. I wore them in my latest video th-cam.com/video/l43iGar6yAQ/w-d-xo.html but didn't mention it.
I think you are on the right track but sand would not be my first choice, you can buy shredded foam pillow filling at a fabric store, also the gel ear pieces have a better fit with a denser sealing medium. Good video.
Foam has too much air which transmits sound too easily. Whatever medium is tried it needs to be very dense much like the gel pads I put on the muffs.
Why would you use sand instead of foam ? That’s going to mess up the speaker and make shorter life span of the ear muffs not to mention it’s going to be heavier and you will hear the sand moving around! I will be adding foam to mine it just makes more sense.
Thanks for watching.
1. My first choice would have been some granulated rubber but that wasn't available. To block sound you need high density material and in this case in a granular form that would fill the irregular spaces and the sand was already on hand.
2. You did see the part where I placed a seperating gasket between the opening of the speaker and the sand. Also the sand has a zero electrical conductivity so it is perfectly safe to come in contact with it's components. I have not experienced any scratching sounds or additional issues since using this alteration.
3. Yes, the sand is much heavier than foam but as I pointed out the weight is supported by the band across the top of the head and not on your ears so I figured it would be ok and as it turned out it is.
4. Sound blocking requires more density than foam which has a lot of air. Air does not block sound. Foam will be easier to work with but I doubt you will get much measurable improvement. Let me know how it goes.
5. The gel pads although pricey, were the best upgrade over all.
6. Any way the whole idea was to ask the question why HONEYWELL's engineers didn't think it practical to mitigate the spaces in the ear cup. You must agree there was the opportunity to make improvements. I think I proved that there was enough measurable improvement to make it worthwhile for them to push their NRR claim a few decibles higher. Also maybe to prompt others like yourself to give it a shot. I had fun doing it.
“Wink, wink, nod, nod!!!”
I used a bunch of foam ear plugs to fill the empty cavity's & purchased better gel earpads.
Yes, ear plug foam is a good choice and gel pads are even better.
Have you ever found a breast pocket full of hot brass firing the RFB?
Yes absolutely. Another good thing about the RDB is you always know where your brass will be... in your pocket or at your feet.