Audio transducer system with long port

Audio transducer system with long port

  • CN 101,461,254 A
  • Filed: 09/05/2006
  • Published: 06/17/2009
  • Est. Priority Date: 09/20/2005
  • Status: Active Application
First Claim
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1. , a kind of equipment (1) that is used for driving transducer unit (20), this transducer unit (20) comprises at least one transducer (21) and shell (22), in shell (22), hold described at least one transducer, this equipment comprises mapping device (10), be used for input signal component is mapped to second audio frequency range (II) from first audio frequency range (I)Wherein second audio frequency range (II) is narrower than first audio frequency range (I), and wherein second frequency scope (II) comprises the Helmholtz frequency (f of transducer unit (20) H).

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