![]() I ONLY shoot suppressed and ONLY with hearing protection now. Those should put you down into the 100 to 110 db level which is FAR SAFER! To be safe, WEAR hearing protection when shooting suppressed, at least the small ear plugs that do not change cheek placement. Their muzzle blasts count towards your daily totals as well. David Lewis editor This project is a massive look at silencers with testing data that shows exactly what difference a suppressed firearm can make on your sound levels while shooting. You also have to factor in the 'noise pollution' of others around you. In other words a few shots at 130 db might be equal to a dozen shots of 120 db in a days time at the range. Some say the threshold for 'certain' damage may be as low as 120 db. The limitations of cold-jet data in estimating high-temperature supersonic jet noise levels are discussed. Basically, yes, a supersonic bullet is louder than a subsonic bullet. It is widely believed that any sound over 130 db causes damage, even if there is no pain or ringing afterwards. noise are identified, and the methods of estimating full- scale noise levels from simulated scale model data are addressed. Just a quickie to see what hits on steel sound like and look like with 300 Blackout subsonic loads and supersonic loads. This is at the edge of what is believed to be the level of certain damage.įYI, you do not have to feel pain or get ringing to be causing damage to your hearing. You are probably looking at 125 to 130 db at the ear with a supersonic round and suppressed. It has a 1.5-inch diameter and is 4.6 inches in length. It is a 9mm centerfire pistol silencer, intended to suppress many cartridges with projectiles appropriately sized to travel through the bore, including subsonic and supersonic 300 BLK from barrels as short as 8 inches. Re: Decibel level of a suppressed, supersonic. The Omega 9K is manufactured by SilencerCo. This, and I've also read people say to always use ear pro even when shooting suppressed. The modern term for this meaning is 'ultrasonic'. Supersonic flight is one of the four speeds of flight. Early meaning At the beginning of the 20th century, the term 'supersonic' was used as an adjective to describe sound whose frequency is above the range of normal human hearing. I tend to shoot without ear pro when using the can, but I was just wondering what DB ratings to expect at the ear because I haven't noticed any sort of ringing after shooting. Supersonic fracture is crack motion faster than the speed of sound in a brittle material. An object moving at the speed of sound is said to be travelling at sonic velocity. The speed of sound is about 1,225 kilometers per hour (kph) in dry air at sea level. The reason why I ask is because sound degradation is logarithmic (If I remember correctly), so it would make sense that it would be much quieter at the ear when shot out of a 26 inch gun. The terms sonic and supersonic describe how fast an object is moving relative to the speed of sound. ![]() 308 sound like at the muzzle and at the ear on a 20 inch bolt gun? What about at the ear on a 26 inch bolt gun? With this in mind, what does a suppressed. I'm assuming a unsuppressed round registered a decibel reading around 160 DBs. I did some searching and couldn't find an exact answer. ![]()
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