A powerful sound source designed for building acoustics measurements per ISO-140/4 Annex A (Field measurements). The source provides uniform sound radiation.
The Nor276 is a high power loudspeaker with omni-directional characteristics. The Nor276 has been designed for continuous operation for more than one hour at full power.
For making footfall noise transmission measurements in buildings as set out in International and National Standards.
Reference sound source for Sound Power measurements
The rugged and compact design makes it well suited for both laboratory and field use. The design ensures a stable and uniform sound power output with unique long-term stability.
To be used as the “Rubber Ball “ alternative to the Tapping Machine Excitation method in accordance with the ISO 16283-2 Appendix A.2 and the ISO 10140-5 Appendix F.2.
Our aim is to take the latest technology available to help our customers complete their measurements faster but without loss of precision.
Small Tapping Machine
The small tapping machine system Gösele is a seismic source, which is based on the periodic impact of a moving mass.
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