Tweakers' Asylum

• Not to speak for the OP, but - Maxamillion 13:00:42 05/16/10 (1)
  In Reply to: RE: Everything you wanted to know about "characteristic impedance" posted by Steve Eddy on May 15, 2010 at 10:28:30

  I believe he wants to build an RC filter to remove RF from his speaker cables, and wishes to match the RC filter's impedance to the characteristic impedance of his cables, in order to make the RC filter more effective. Since he is looking to filter out RF, the transmission line formulae are appropriate, no?
  

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  Edits: 05/16/10

  • RE: Not to speak for the OP, but - Steve Eddy 18:33:00 05/16/10 (0)
    In Reply to: RE: Not to speak for the OP, but posted by Maxamillion on May 16, 2010 at 13:00:42

    
    I believe he wants to build an RC filter to remove RF from his speaker cables, and wishes to match the RC filter's impedance to the characteristic impedance of his cables, in order to make the RC filter more effective.
    
    Ah, ok. Didn't remember reading that in the original post in the thread below.
    
    My mistake.
    
    se
    
    
    

    
    
    
    
    

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• Are you saying that impedence matching and termination is the key? - tweakk 12:28:04 05/16/10 (0)
  In Reply to: RE: Everything you wanted to know about "characteristic impedance" posted by Steve Eddy on May 15, 2010 at 10:28:30

  More important than a "better built" cable is a "better matched" cable according to how it's terminated?
  

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