power 4dPower dsp 4ch value_acoustics VA 15.4D Daya output: 4x 1500watt @8ohm, 4x 2000watt @4ohm Bridge 2x 3800watt @8ohm Input: analog, aes ebu, dante OutputPower of the lens (P) = 4 D. Refractive Index (r) = 1.5. To Find: The radius of curvature. Calculations: The following equation determines a lens's power: where P is the power of