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A full-range hybrid device for sound reproduction
Braghin, Francesco,Castelli-Dezza, Francesco,Cinquemani, Simone,Resta, Ferruccio Techno-Press 2013 Smart Structures and Systems, An International Jou Vol.11 No.6
The paper deals with the design of a device for sound reproduction to be fixed to a supporting surface. The device is made up of two different types of acoustic actuators based on different technologies. This allows to reproduce sound in the range of frequencies from 20 Hz to 20 kHz. The generation of sound at high frequencies is demanded to a magnetostrictive actuator, while a more traditional magnetodynamics actuator is used to generate sound at low frequencies. The coupling between these two actuators leads to a device having small overall dimensions and high performance.
A full-range hybrid device for sound reproduction
Francesco Braghin,Francesco Castelli-Dezza,Simone Cinquemani,Ferruccio Resta 국제구조공학회 2013 Smart Structures and Systems, An International Jou Vol.11 No.6
The paper deals with the design of a device for sound reproduction to be fixed to a supporting surface. The device is made up of two different types of acoustic actuators based on different technologies. This allows to reproduce sound in the range of frequencies from 20 Hz to 20 kHz. The generation of sound at high frequencies is demanded to a magnetostrictive actuator, while a more traditional magnetodynamics actuator is used to generate sound at low frequencies. The coupling between these two actuators leads to a device having small overall dimensions and high performance.