- Non-resonant diaphragm design for minimum high frequency break-up - Dual balanced compression chamber for improved dynamics - Copper cap for reduced voice coil inductance and minimum phase shift - Saturation controlled motor system for low distortion - Non-reflective rear chamber with optimized damping for improved dynamics - Flow optimized vented pole piece for optimum coupling to rear chamber - CCAW voice coil for low moving mass - Long life silver lead wires - Low resonance frequency