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Calculate Required Amplifier Power
This calculator provides the required electrical output power from the amplifier to produce a desired Sound Pressure Level (SPL) at a given distance, along with an amount of headroom to keep the amplifier(s) out of clip.
Listener Distance from source
meters
Desired Level at Listener position
dB SPL
Loudspeaker Sensitivity Rating
dB (1Watt/1meter)
Amplifier Headroom
dB
Required Amplifier Power
Watt
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