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RCDD · Question #198
Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. Wha
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Question
Using the sound pressure level (SPL) method of approximating distance and power, calculate the power required to produce 89 dB at 4 m (13.1 ft) with a loud speaker that is rated at a SPL of 95 dB. What input power level (in watts) is required to appropriately power the speaker?
Options
- A1 watt
- B2 watts
- C4 watts
- D8 watts
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Topics
#SPL calculation#inverse square law#power calculation#loudspeaker design