Aurum Cantus G2 Si Aluminum Ribbon Tweeter G2Si is especially designed for large-scale speaker system manufacturers. G2Si is a high quality and compact aluminum ribbon tweeter and has an attractive price. It is the best choice for you to develop your new products! G2Si is characterized by: owing to very light moving mass of aluminum ribbon and using N45 NdFeB magnet as guarantee, and it can get broad frequency response range and 96dB high efficiency. G2Si is not only rich in harmonic, but also natural and elegant in timbre. It is fit for all types of music playing, especially have excellent performance when playing orchestral music and striking music. G2Si has a good power-handling capacity and can ensure low distortion when in strong dynamics. Technical data Rated impedance: 6Ω Rated Power: 30W Sensitivity: 96dB/W/M Frequency range: 1700Hz-40kHz Dimension of aluminum ribbon(WLT)：8.5mm×60mm×0.01mm Shape of aluminum ribbon: wave Mass of aluminum ribbon: 12mg Moving area of aluminum ribbon: 510mm2 Gap Flux: 0.58 Tesla Frequency cut recommended: over 2500Hz Material of mounting faceplate: aluminum, CNC processing, surface with anodizing electroplating finish. Dimension of mounting faceplate: φ110mm×T4mm Outside dimension: φ110×D84 Weight: 1.05kg/pc