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CTS · Question #74
A loudspeaker with sensitivity 90 dB SPL measured at 1 meter, 1 watt Is placed 2 meters away from a listener. At 1 watt, what Is the SPL at the listener?
The correct answer is A. 81 dB SPL. See the full explanation below for the reasoning.
Question
A loudspeaker with sensitivity 90 dB SPL measured at 1 meter, 1 watt Is placed 2 meters away from a listener. At 1 watt, what Is the SPL at the listener?
Exhibit
Options
- A81 dB SPL
- B84 dB SPL
- C87 dB SPL
- D90 dB SPL
How the community answered
(25 responses)- A72% (18)
- B16% (4)
- C4% (1)
- D8% (2)
Community Discussion
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