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Consumer demand for improved quality and reliability has prompted automobile manufacturers world-wide to make comprehensive vibration testing an integral part of design and production. In particular, Squeak and Rattle, and Noise Vibration and Harshness (NVH) tests are now standard QA practice to ensure automotive components and interior systems remain durable and free from noise throughout a vehicle's normal lifespan, generally estimated to be around 150,000 miles. 

• 1/4 Buck and 1/2 Buck systems with mounting surfaces of 0.9m x 1.8m and 1.8m x 1.8m respectively.

• High overturning restraint of hea expander offers optimum flexibility. 

• Wide frequency band when head expander is fitted. 

• Full displacement up to 51mm (2 inches) at low frequencies with head expander and payload. 

• Suitable for use with climatic acoustic chambers. 

• Can be used at full force when quiet mode is not required.