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How many decibels?
in what
What unit are sound waves measured in?
•Sound can be measured in many ways such as decibels. There is a special machine which you can by that measures how many decibels something makes. A pin makes 10 decibels where as a loud persons or a stereo can make up to 80 decibels. Volume is measured in decibels. So Frequency is measured in hertz
What is the equation for decibels solved for intensity?
10log10 (p1 /p0 ) where the pi are power values.
I have 15 subwoofers at 180 decibels each how loud would that be in db in case your wondering yes there is a woofer that reaches 180db its called dd 9918Z 18?
15 subwoofers would produce 15 times as much power. log1015 = 1.176; to convert that to decibels, you have to multiply it by 10, so you get an increase of 11.76 decibels, in other words, 180 + 11.76 = 191.76 decibels. Since the 180 decibels probably includes some rounding, it makes sense to round the final result, too - for example, to 192 decibels.
What is the symbol for decibels?
The usual symbol for decibels is dB.
How many decibels does a jackhammer have?
130 decibels: jackhammer, power drill, air raid
Does voltage current or power affect volume in a speaker?
Power (Watts)/ Decibels (if the speaker is efficient) 2 Watts = 93 decibels 4 Watts = 96 decibels 8 Watts = 99 decibels 16 Watts = 102 decibels 32 Watts = 105 decibels 64 Watts = 108 decibels 128 Watts = 111 decibels 256 Watts = 114 decibels 512 Watts= 117 decibels 1024 Watts = 120 decibels Some Volumes to Compare 10 decibels = normal human breathing 60 decibels = normal human conversation 110 decibels = power saw, car horn, shouting in ear, 120 decibels = jet aircraft close by, emergency vehicle siren, rock concert
Is wattage proportional to decibels or is it exponential?
It is exponential. +3 decibels is a doubling of power in watts, while -3 decibels is a halving of power in watts.
How does decibels work?
To calculate the number of decibels that power-level-'A' is greater than power-level-'B',-- Divide 'A' by 'B'-- Take the 'log' of the quotient-- Multiply the 'log' by 10 .If the result is negative, then 'A' is that many decibels lower than 'B'.
What are the power of sounds?
decibels
How many decibels is a whisper?
20 decibels
How loud is a decibel?
A decibel isn't a definite amount of anything. It's a unit used to compare two powers. 1 decibel more = 25.89% more power 3 decibels more = twice as much power 3 decibels less = half as much power 10 decibels more = 10 times as much power 10 decibels less = 0.1 as much power 20 decibels more = 100 times as much power You don't know how much any number of decibels is until you know what it's compared to.
What is the unit of sound to measure?
by loudness decibels by frequency hertz by wavelength any power of meter
How many decibels is a pigs squeal?
207 decibels.
What decibels are the maximum for PA speakers?
The maximum decibels for PA speakers vary greatly, depending on the size and power inside the speakers. Bigger and more power means more decibels, which in turn means louder.
How many decibels does a cough produce?
70-100 decibels
How many decibels is quiet conversation?
20 to 50 decibels (dB).
