A major problem for the loudspeaker and transducer industries throughout the world is an inability to rely upon measurements routinely exchanged between suppliers and customers. A system is proposed that offers a unique and stable test environment giving an opportunity to standardize and compare results between measurement sites. It works by having an enclosure shape that eliminates standing-waves and having acoustic foam to eliminate any remaining high frequencies. It then rigidly defines the measurement geometry together with interchangeable sub baffles, ensuring rapid and accurate change over and repeatable measurements. So that with several in use in the design, production and customer chain results will be comparable unit to unit throughout the world to an unprecedented degree.
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