For sound insulation testing of floors in buildings.

* Designed for sound insulation testing in light weight structures where a standard heavy impact sound source (bang machine) with characteristics (1) would create too much impact force.
* By performing a free drop from a height of 1 meter, a stable impact force of about 1 500 N (Newton) can be created.
* Light mass of 2.5 kg allows for easy carrying.

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