Speaker Asylum

• Re: Tech people: can it sometimes be good to wire certain drivers out of phase? - Ron Oehlert 18:42:07 03/08/07 (4)
  In Reply to: Re: Tech people: can it sometimes be good to wire certain drivers out of phase? posted by The Real Dick Hertz on March 8, 2007 at 18:21:20:

  Additionally, if physical placement of the drivers on the baffle tilts propagation direction, reverse electrical phase can offset that lobe tilt so that final acoustic propagation is forward rather than tilted. What is *right* is the final acoustic result, not how it is electrically accomplished. Vance Dickasons's Loudspeaker Design Cookbook 6th edition is currently on sale @ madisound.com for only $11 because the 7th edition is now in print ($39); this technical book would make an inexpensive education per loudspeaker design fundamentals.
  
  

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  • Re: Tech people: can it sometimes be good to wire certain drivers out of phase? - johnmil 10:38:21 03/09/07 (0)
    In Reply to: Re: Tech people: can it sometimes be good to wire certain drivers out of phase? posted by Ron Oehlert on March 8, 2007 at 18:42:07:

    Thanks !!!! Great discount on a very useful book.
    
    

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  • Agreed - Schu 05:31:30 03/09/07 (0)
    In Reply to: Re: Tech people: can it sometimes be good to wire certain drivers out of phase? posted by Ron Oehlert on March 8, 2007 at 18:42:07:

    The final acoustical phase result is what really matters and is what will make the crossover most effective. What folks usually forget about is time. If the tweeter is set back too far, yet the crossover adjusts for the phase for smooth FR, it still won't sound right. Traditionally, the tweeter is ahead in time which, to me, isn't perfect either. Why would you want to start hearing the harmonics before the fundamental? That's what's happening if the tweeter's acoustic center is in front of the mid/woofer.

    Bill
    
    

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  • Re: Tech people: can it sometimes be good to wire certain drivers out of phase? - The Real Dick Hertz 18:56:12 03/08/07 (1)
    In Reply to: Re: Tech people: can it sometimes be good to wire certain drivers out of phase? posted by Ron Oehlert on March 8, 2007 at 18:42:07:

    I have to laugh at some of these magazines and their obsession with in-phase driver connections. When a novice like me knows this isn't always the case, makes the mags look pretty foolish.
    
    

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    • To be fair, the magazine didn't put it down. It just noted the likely phase of the woofers. - hukkfinn 00:17:32 03/09/07 (0)
      In Reply to: Re: Tech people: can it sometimes be good to wire certain drivers out of phase? posted by The Real Dick Hertz on March 8, 2007 at 18:56:12:

      I *was* going to ask if I would risk harming anything by reversing phase on my woofers (I own the previous generation Beethovens).

      But given these comments it sounds like I have little to gain by experimentation in this direction.

      Thanks,
      Hukk
      
      

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