What does 49 decibels sound like

Air conditioning units, fans and evaporative coolers will emit between 37 and 82 decibels, depending on the model. The quietest fixed air conditioning, such as the Unico Star, will emit between 37 and 46 decibels, which is less than the average desk fan. Even a larger tank fan, such as the Tank Fan, will emit the same level of decibels as an office desk fan, both ranking at around 46 decibels.

The Airconco 6. The smallest air conditioning units will generally emit less noise than a TV. A TV emits 60 decibels, whilst the Airconco 3 Kw emits just 51 to 55 decibels of sound. The larger industrial air conditioning units such as the Airrex HSC Portable Air Conditioner emit up to 68 decibels, and the larger industrial fans such as the Blue Max can emit between 70 and 82 decibels depending upon the speed setting.

An evaporative cooler will emit a similar level of around 72 decibels. These are all around the same decibel level as a domestic vacuum cleaner, which emits about 70 decibels of sound. These decibel levels are taken when standing next to the air conditioning units, fans and evaporative coolers.

As you get further from your air conditioning unit the relative noise level emitted will decrease. Decibels Explained. How quiet is 40 dB? Is 42 dB loud for a fridge? Although 42db is louder than 35db it's not very much louder. Also the db measurement is probably taken in a free field with nothing around the freezer. What does 60 dB sound like? The effects of noise on hearing vary among people. But any sound that is loud enough and lasts long enough can damage hearing and lead to hearing loss.

A sound's loudness is measured in decibels dB. Normal conversation is about 60 dB, a lawn mower is about 90 dB, and a loud rock concert is about dB. How many decibels is too loud? Decibel Level? Sounds at or below 70 dBA are generally considered safe.

Any sound at or above 85 dBA is more likely to damage your hearing over time. Researchers have found that people who are exposed over long periods of time to noise levels at 85 dBA or higher are at a much greater risk for hearing loss. How do you measure decibels? Noise Level Chart A noise level chart showing examples of sounds with dB levels ranging from 0 to decibels.

Most noise levels are given in dBA, which are decibels adjusted to reflect the ear's response to different frequencies of sound. Sudden, brief impulse sounds, like many of those shown at dB or greater, are often given in dB no adjustment. Upper 70s are annoyingly loud to some people.

Conversation in restaurant, office, background music, Air conditioning unit at ft. Quiet suburb, conversation at home. Large electrical transformers at ft. Library, bird calls 44 dB ; lowest limit of urban ambient sound. One-sixteenth as loud as 70 dB. Very Quiet.