High Efficiency Speaker Asylum

• dds waveguides? (link) - Norman Bates 20:32:38 05/24/07 (1)
  In Reply to: RE: dayton round waveguides, anyone? posted by Norman Bates on May 23, 2007 at 17:24:40

  what ya think?
  
  

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  • RE: dds waveguides? (link) - Duke 21:39:21 05/24/07 (0)
    In Reply to: RE: dds waveguides? (link) posted by Norman Bates on May 24, 2007 at 20:32:38

    That's what I use. They're several times more expensive than the Dayton waveguides, though.
    
    I see that the DDS website is back up, but I don't think they're shipping product yet. It will probably take a while before back-orders are filled and new orders start to be processed.
    
    Duke
    

    • DDS waveguide   (Open in New Window)

    
    

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• RE: dayton round waveguides, anyone? - freddyi 10:39:38 05/24/07 (0)
  In Reply to: RE: dayton round waveguides, anyone? posted by Norman Bates on May 23, 2007 at 17:24:40

  Hi Normy - I only mucked with one for about 5 minutes - good for original price - nice threaded brass insert - didn't get on-off axis plots - k-plug of the day = w. higher xovers a k-tube is a lot of fun vs DDS
  
  806a - no baffle - violet trace = no bypass contour
  
  
  
  

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• zaph using dome tweet on some link........... - Norman Bates 23:29:49 05/23/07 (0)
  In Reply to: RE: dayton round waveguides, anyone? posted by Norman Bates on May 23, 2007 at 17:24:40

  http://www.zaphaudio.com/hornconversion.html
  
  

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• RE: dayton round waveguides, anyone? - Duke 18:04:31 05/23/07 (3)
  In Reply to: RE: dayton round waveguides, anyone? posted by Norman Bates on May 23, 2007 at 17:24:40

  I bought a pair of the 12" ones and was disappointed to see that they aren't constant-directivity devices. That doesn't mean they can't sound good, only that they don't do what I was hoping.
  
  Selenium makes an adaptor in case people want to use 'em with a 3-bolt compression driver.
  
  Duke
  

  • http://www.partsexpress.com/pe/showdetl.cfm?&Partnumber=264-322   (Open in New Window)

  
  

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  • how did they sound? - Norman Bates 18:18:50 05/23/07 (2)
    In Reply to: RE: dayton round waveguides, anyone? posted by Duke on May 23, 2007 at 18:04:31

    I wouldn't imagine they were 40 by 90 or such, more dispersion limited (and no freq boosting) by the driver.............
    
    so, the highs wern't dispersing?
    
    please explain
    
    Norm
    
    

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    • didn't try 'em - Duke 11:02:27 05/24/07 (1)
      In Reply to: RE: how did they sound? posted by Norman Bates on May 23, 2007 at 18:18:50

      Once I saw the curved walls of the "waveguide" I knew it didn't have the directional characteristics I was looking for, so didn't take the time to optimize a crossover for something I wasn't going to use anyway.
      
      I have no reason to think they wouldn't sound fine with the right crossover. I'd be inclined to damp 'em with dynamat or somesuch, but that doesn't add significantly to their cost.
      
      Duke
      
      

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      • limited gain? - Norman Bates 20:49:39 05/24/07 (0)
        In Reply to: RE: didn't try 'em posted by Duke on May 24, 2007 at 11:02:27

        from 1.5k to 6k or so.................
        
        
        hmmmmmm
        
        

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