• Stock inductor DCR is about 0.39 to 0.4 ohms (nt) Ed Hsu 03:18:31 06/08/00 (5)
  In Reply to: 1.6 inductor, attn: Ed, Mike and others... posted by paco on June 08, 2000 at 02:32:24:

  nt
  
  

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  • thanks!!, what would happen if 0.7oh instead? (nt) paco 03:45:04 06/08/00 (4)
    In Reply to: Stock inductor DCR is about 0.39 to 0.4 ohms (nt) posted by Ed Hsu on June 08, 2000 at 03:18:31:

    .
    
    

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    • Re: thanks!!, what would happen if 0.7oh instead? (nt) Ed Hsu 04:53:56 06/08/00 (3)
      In Reply to: thanks!!, what would happen if 0.7oh instead? (nt) posted by paco on June 08, 2000 at 03:45:04:

      Bass volume (SPL) would be reduced slightly (6.5%) and crossover frequency would shift slightly thereoticaly on paper. What would happen in reality is very hard to say.

      However, I believe foil inductors sound better than Air coil wire, which sound better than steelcore. It all about em field interactions and field form/shape. Flat conductors pass on HF with less distortion / loss than round ones.

      The sonic difference between Steel core and foil is pretty dramatic in cleaning and clarifying the bass on the 1.6's
      
      

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      • Foil inductor comment Ed Hsu 05:40:55 06/08/00 (2)
        In Reply to: Re: thanks!!, what would happen if 0.7oh instead? (nt) posted by Ed Hsu on June 08, 2000 at 04:53:56:

        Just posted recently
        

        • Click to see AA post

        
        

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        • let's see if i understand... paco 10:19:13 06/08/00 (1)
          In Reply to: Foil inductor comment posted by Ed Hsu on June 08, 2000 at 05:40:55:

          foil inductors are supposed to be designed to avoid the
          infamous skin effect, right? yet, this effect seems to
          be relevant just for very high frequencies... so what?

          second, what about inductors made out of neither simple wire
          nor foil, but many thin wires, ala litz?

          best, paco
          
          

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          • Re: let's see if i understand... Ed Hsu 15:12:31 06/09/00 (0)
            In Reply to: let's see if i understand... posted by paco on June 08, 2000 at 10:19:13:

            Somewhat surprisingly, what happens to the High Fequency transmission / filtering on the woofer circuit has a very definite effect on the high frequency sound quality of the speaker. The electrical effect is certainly second or even third order, but it causes a sonic efffect we can hear yet defies measurement with conventional test instruments. Its just like the improvements you have found with wire and connector changes, next to impossible to measure with instruments but noticeable with our ears.

            Inductors made from fine litz, I have not seen or heard of any. Might be difficult to get consistent inductance values during the manufacturing process as the spacing between the turns plays a role in the values of capacitance and inductance. Also the shape of the turns is important and fine litz would be flexible unlike soilid core and foil.
            
            

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