september.org> 75a29d9f   
   From: zekor@comcast.net   
      
   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, but almost nothing heard   
   except the spiders.   
   You will also find a delay of the 30 Hz since it's below resonance, the   
   spider will slow it down and cause a phase shift.   
      
   Thats all I'm going to rehash about the 901, plenty of old stuff in the   
   archives.   
      
   Greg   
      
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