The first indicator in the sound reinforcement system indicator is “maximum steady-state sound pressure level”. The sound pressure level is simply the sound size heard in dB (decibel). The sound pressure level differs by 3 dB in the equipment index. The output power is doubled, and the maximum sound pressure level of the speaker (that is, the maximum sound output from the speaker) is the function of the rated output power (non-peak power) of the speaker plus the sensitivity of the speaker. The calculation formula is:
The maximum sound pressure level (SPL) of the speaker = the sensitivity of the speaker (1W / m) + the 10log rated output power of the speaker, that is, the output sound of the speaker is determined by the rated power of the speaker and the sensitivity of the speaker.
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