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Loudspeaker Measurement
Our loudspeaker measurements are performed using the approved measuring system Monkey Forest in the semi-anechoic chamber at the Institute of Technical Acoustics of the RWTH Aachen University, which allows measuring distances up to 8m. For the acoustic measurements Class 1 microphones and amplifiers by Brüel & Kjaer are used, as well as a Robo front end and a RME Multiface II, which make possible sampling rates up to 96kHz at a resolution of 24Bit.
For measuring directivity and balloon data a rotatable arm (ELF-System) is available, which allows measurements on loudspeakers weighing up to 100kg with a maximum diagonal dimension of 150cm.
Maximum SPL is measured with a Crown IT 12000HD amplifier providing 4500W per channel at 4 Ohm.
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