#1511 NORM BTest-4: Roll off low frequency drive to speakers

[Zarro Boogs per Child]

#1511: Roll off low frequency drive to speakers
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  Reporter:  wmb at firmworks.com  |       Owner:  wad               
      Type:  defect             |      Status:  new               
  Priority:  normal             |   Milestone:  BTest-4 electrical
 Component:  hardware           |     Version:                    
Resolution:                     |    Keywords:                    
  Verified:  0                  |  
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Changes (by Terry Su):

  * verified:  => 0

Comment:

 Dear Mitch,

 Enclosed is Neo-Sonica speaker and amplify spec..

 Speaker effective Bandwidth is 480 ~ 20K Hz.

 Currently, Fc = 1/(2*Π*150K*0.1u) = 15.9Hz.

 If Fc = 480Hz then Cin= 2200pF.

 If Fc = 600Hz then Cin= about 1800pF

 We need to setting high-pass filter frequency to 480Hz or 600Hz ?

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Ticket URL: <http://dev.laptop.org/ticket/1511#comment:4>
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