Isolate it. Sorbothane acoustic and vibration isolation thin films are versatile, anti-vibration pads, can be used on many different applications. The unique Sorbothane ultra-soft urethane is a durable, elastic, polymer that provides excellent vibration isolation and non-slip properties. Sorbothanes help to absorb shock and noise and have very good aging resistance; they will not harden or crack. They feature a smooth, clean, black urethane finish. They can be used on all audio and electronic devices to prevent and interference.
More is not better. A large slightly springy fitted sheet has a high spring and will not be enough to provide good insulation. Compression leads to short service life. The correct compression series is 3 to 20 percent, depending on the shape factor. Form factor is the ratio of contact surface (one side) divided by this product. Geometry Small round pieces and rings "bulge better than squares and rectangles. Bulgeability provides better insulation. Use many small discs instead of having a few large rectangles for best vibration isolation. Thickness. Thicker the table below the natural frequency. You need a filter insert at least 1 inch thick to keep your natural frequency up to 10 Hertz. (10 Hertz is your target natural frequency for a 900 rpm.) Use the natural tackiness of Sorbothane or 3m #80 spray glue to stick sorbothane to metal, plastic and other surfaces. The sheet is ideal for cutting out to the needs of special applications or can be used entirely. Can be used with a sharp utility knife or scissors. Sheet as a whole or use to apply coat to the inside of the speaker or equipment housing to provide insulation. 1 cm of Sorbothane can isolate up to 40 dB of sound.
Attention: This product contains plasticizers that may cause slight discoloration on wood, plastic, composite and other materials after prolonged contact.