Speaker

Speaker loudness calculator

Speaker loudness calculator
  1. How is speaker efficiency calculated?
  2. What is the SPL of a speaker?

How is speaker efficiency calculated?

Herewith is the power P = V 2 / R = 2.832 / 8 = 1 watt. With a 4 ohms loudspeaker you generate 2 watts. To get the reference value of 1 watt, you have to subtract from the sensitivity 3 dB.
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Loudspeaker data
EfficiencyPercentSensitivity
0.022 %95 dB
0.011 %92 dB
0.0050.5 %89 dB

What is the SPL of a speaker?

SPL stands for sound pressure level and is also commonly referred to as efficiency and sensitivity. This parameter represents how loud a speaker is. A higher SPL equates to a louder speaker. ... The plot, commonly know as a frequency response graph, shows frequency on an x-axis (in Hz) versus SPL on a y-axis (in dB).

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