More about Sound Propagation
The sound propagation within a room or building (structurally-borne sound and airborne sound) depends on local circumstances – this means the structure of the rooms and the structure of walls, ceilings and floors. The fixing points of the magnet, penetrations and penetration panel, RF-doors, RF-windows and the interior finishing inside of a RF-shielded enclosure are the most critical components.
The standard cage achieves a sound damping of >40db.
Measures for optimized sound damping:
Sound damping for airborne sound with additional partition walls, sound absorbing heavy curtains, additional sound absorbing ceilings, sound absorbing wall and cabin floor construction, RF-door and RF-window in sound damping version.
Sound damping for structurally-borne sound with uncoupling of the magnet from the building and introduction of additional mass.
The following sound damping measures have proved themselves:
- Fixation of the magnet on separate stand, floatingly mounted RF-cage, floor floatingly mounted on sound and shock absorbing under layer
- Introduction of additional mass (chipboard plates) etc.
- Increase of mass (chipboard plates, gypsum boards)
- Additional lining with sound absorption material
- Additional wall with sound absorption materials
- Cabin walls sealed to cabin ceiling
- Self-supporting ceiling construction
- Insertion of noise insulation material
- Maintaining ceiling distances
- Increase of mass (chipboard plates, gypsum plates or lead)
- Insertion of membranes, executed with lead-covered hardwood boards
All specifications referring to the noise level include the building structure. A noise absorption for the floor of 60 dB (A) consists of the raw floor structure, the insulation materials and the floor structure of the RF-shielding.