Dayton AudioReferenceRS75-4 4Ω 8Ω Full-range Impedance Excursion Velocity SPL Phase Group delay Step response Tone Burst Ω°0102030405060101001 00010 000-180-120-60060120180Electrical ImpedanceElectrical Phase mm05101520101001 00010 000Diaphragm ExcursionMaximum Linear Excursion ...