Amplifier Power & Headroom Calculator

P145

Size amplifier power from loudspeaker sensitivity, distance, target SPL, and peak headroom.

Parameters

Assumptions

  • 自由场点声源近似,灵敏度按 1 W/1 m 输入。

Important notes

  • 必须再核验音箱额定功率、阻抗、限制器和现场声学。

Standards and sources

Verified: 2026-09-05