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Larson Davis offers a range of sound sources and accessories for use in building and room acoustics measurements. Find the right solution below for your application.
Model BAS001
The BAS001 Source is designed to generate omnidirectional sound fields for making standard compliant measurements including: reverberation time (ISO 3382, ASTM E2235), building acoustics (insertion loss, acoustic absorption area, etc: ISO 140-4 ISO 140-3, ASTM E336, ASTM E90, DIN 55 210).
Model BAS003
The BAS003 Directional Sound Source is designed to generate homogeneous sound fields using random noise in compliance with the following standards: Building acoustics (insertion loss, acoustic absorption area, etc: ISO 140-3, ASTM E90, ISO 140-5, ASTM E966).
Model BAS002
When coupled with the BAS001 Omnidirectional Speaker or BAS003 Directional Speaker, the BAS002 Amplifier is the ideal sound source for making room and building acoustics measurements.
Model BAS004
The BAS004 is used to simulate foot fall noise in a manner that is well controlled and reproducible so that measured results can be replicated and compared with other measurements.
Model BAS006
The BAS006 is an innovative device used to create impulsive noise that includes low frequency energy and avoids problems like secondary bounce.
Model 831-RT
Whether for performance venues, architectural measurements or work-place acoustics, reverberation time is a key parameter for characterizing a room. A long reverberation time can make speech less intelligible and music can become garbled. Too short a reverberation time can muffle speech and make a room sound “thin”. Model 831-RT Sound Level Meter offers reverberation measurement and calculation functionality.