september.org> 75a29d9f   
   From: trevor@home.net   
      
   "gregz"  wrote in message   
   news:432361010365221693.545731zekor-comcast.net@news.eternal-september.org...   
   > Scott Dorsey  wrote:   
   > Yes that's 3 db down at 30 Hz from 1khz. My old boxes resonated at 100 Hz.   
   > That was the peak.   
   >   
   > Sure, if you do a swept sine test without a filter. Put 30 Hz into the box   
   > and you get output, but none of that output is actually at 30 Hz.   
   >   
   >>>   
   >   
   > Not true.   
   > If you put 30 Hz into a closed box speaker, sure you'll get some 30 Hz   
   > out.   
   > I used to  put 16 Hz in and rattle the window,   
      
   Some "closed box speakers" perhaps, but not one with 4" drivers.   
      
   Trevor.   
      
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