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The samples show the average noise levels on all subway platforms and on all subway rides (inside subway trains) is between 72.5 and 76.5 dB and between 74.1 and 75.8 dB, respectively. With maximum readings actually as high as 119 dB on platforms and 120 dB on rides—based on actual recorded ...

Noise Sources and Their Effects

March 15, 2016 - Are common every day sounds causing hearing loss? What is a decibel and how does its range affect your chances of damaging your hearing?

December 8, 2021 - Curious how loud 120 decibels is? You’ve come to the right place. We’re taking a closer look at 120 dB to see what it’s equivalent to and how intense it can get.

Recent NIOSH studies of sound levels from weapons fires have shown that they may range from a low of 144 dB SPL for small caliber weapons such as a 0.22 caliber rifle to as high as a 172 dB SPL for a 0.357 caliber revolver. Double ear protection is recommended for shooters, combining soft, ...

March 14, 2023 - When the Deutsche Bahn AG formed ... as DBAG Class 219. They were nicknamed "U-boats", "Karpatenschreck" ("Carpathian Terror") or "Ceaușescus Rache" ("Ceaușescu's revenge") - the latter two referring to the numerous technical problems the engines suffered before redesign. The Class 119 was basically ...

Yale University is committed to health, safety and environmental protection in all of its programs and activities. We work hard so that the campus and your work environment are as safe as possible, to protect you from harm and to prevent accidents and injuries.

This blog post compares examples of noise levels. It is broken down by Noise Source, Decibel Level, and Decibel Effect.

April 2, 2020 - Do you have a vague idea that more dB equals a louder sound, but no clue what a decibel is or how many you want out of your car's sound system? We're here to help.

June 15, 2001 - NIOSH offers these estimates of work-related noises.

September 3, 2016 - Soundboks is a battery-powered loudspeaker developed by three young Danish high-school graduates in response to the lack of good portable loudspeakers for outdoor festivals. Soundboks is the first portable speaker able to produce a sound pressure level of 119 dB, more than the PA systems of ...

July 29, 2015 - Recently modern hearing aid microphones could only transduce up to 115 dB SPL (with 3-4% of distortion). Actually that had been the case since the late 1980s. However, the newest incarnation of microphones can transduce up to 119 dB SPL (with 3-4% of distortion).

March 3, 2016 - If you are in the market for a super loud Bluetooth speaker and can provide a massive 30 hours battery life even pumping out 113 dB of power, you may be interested in the new rugged speaker

Audiologists & hearing aid providers in Chico, CA. Call us today to learn more about our hearing health services. (888) 844-7024

November 29, 2010 - This year’s top loudest toys are the Bell Riderz Block Blaster and cars Shake ’N Go Ramone, which emitted their sounds at 129.2 and 119.5 decibels (dB), respectively.

October 20, 2023 - The Omega 300 comes complete with direct thread and quick attach mounts as well as a removable anchor brake to reduce recoil.

November 15, 2017 - The Benchmark AHB2 power amplifier has a THD+N of less than -110 dB (0.0003%) under full rated load, at full rated output power. The graph below shows the AHB2 delivering 183 W into 4 Ohms at 1 kHz with a THD of -119.5 dB (0.0001 % THD)! In contrast, most power amplifier produce 1% THD+N at ...

Read Section 119.5 - Stationary test, 58 Pa. Code § 119.5, see flags on bad law, and search Casetext’s comprehensive legal database

November 26, 2010 - The group conducts the study annually to measure the newest toys of the holiday season to see just how loud they really are. This year’s top two offenders, Bell Riderz Block Blaster and cars Shake ’N Go Ramone, blared at 129.2 and 119.5 decibels (dB). According to National Institute of ...