Tweakers' Asylum

• RE: Best resistors for crossover tweak - mingles 02:30:56 08/22/07 (2)
  In Reply to: RE: Best resistors for crossover tweak posted by Bom on August 21, 2007 at 23:05:42

  Thanks Bom! I appreciate the info. Deulund sounds interesting, but is it worth $20 a pop when Caddock MP820's are $7?
  
  From Parts Connexion:
  
  The special charcteristic about this resistor (Deulund) is that it displays a negative temperature coefficient. For example, when the voice coil of a speaker heats up, it's impedance rises. The DUELUND Graphite Resistor counteracts this by means of a decreasing impedance. The results are greatly improved dynamics from the driver.
  
  
  

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  • RE: Best resistors for crossover tweak - Tweekeng 06:32:03 08/22/07 (1)
    In Reply to: RE: Best resistors for crossover tweak posted by mingles on August 22, 2007 at 02:30:56

    The special charcteristic about this resistor (Deulund) is that it displays a negative temperature coefficient. For example, when the voice coil of a speaker heats up, it's impedance rises. The DUELUND Graphite Resistor counteracts this by means of a decreasing impedance. The results are greatly improved dynamics from the driver.
    
    How does the heat from the voice coil get transfered to the resistor?
    
    
    

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    • RE: Best resistors for crossover tweak - Wally 11:38:32 08/22/07 (0)
      In Reply to: RE: Best resistors for crossover tweak posted by Tweekeng on August 22, 2007 at 06:32:03

      If they share the same current then they both heat at the same time don't they?
      
      

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