omnidirectional sound source
Bruel and Kjaer
Type 4295 OmniSource Sound Source presents a modern solution in omnidirectional sound source design. Which is optimized for measuring room acoustic quantities like reverberation time, spatial decay and sound distribution. Uses of this unit includes impact sound level, reverberation time, architectural and building acoustics, airborne sound insulation. Additional features dual omnidirectional noise sources, portable and strong, Remote operation through the use of a cable or wireless remote control. Tapping machine for impact sound level measurement, use as part of total building acoustics system that features Brüel & Kjærs Hand-held Analyzer Type 2250 or 2270, that satisfies national and international standards.