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Sunday, January 20, 2019
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 Speakers Sound Pressure Level

Calculate the sound pressure of multiple speakers of the same type, by example in a Array configuration with 4,5,6 or more (fullrange) drivers.
Sound pressure level in dB at 1 watt and 1 meter * dB/W/m (one of the used drivers)
Amplifier power per speaker * Watt
Number of Speakers * Piece
Distance to the speakers * Meter
* = required                      
Generated sound pressure level dB
Amplifier voltage  Volts at 8 ohms Volts at 4 ohms