112 dB 1W / 1m average sensitivity 1,5 inch exit throat 4 inch edgewound aluminium voice coil 240W program power handling 4 inch pure Beryllium dome - polymer surround diaphragm Copper plated pole piece reduces inductance modulation distortion and increases HF output Ultra high precision diaphgram centering system for improved performances and lifespan BEM optimized 4 slot phaseplug design Extreme sound clarity even at very high SPL

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