Resource to calculate, building and measuring Hi Fi Loudspeakers and more...

Saturday, December 15, 2018
737 users online

Bookmark and Share

Back to overview

 Amplifier Power Required

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