This document provides detailed technical specifications for the Eminence Designed by B&C Group FS12.30A8 speaker. It includes information on the speaker's physical dimensions, electrical parameters, Thiele/Small parameters, and technologies such as the ISV Interleaved Sandwich Voice Coil. The document also details the frequency response and impedance curves, measured in a 260 reference closed box. The speaker is designed for high performance with a ceramic woofer and is suitable for professional audio applications.