XPost: rec.music.gdead, sci.electronics.design   
   From: dpierce@cartchunk.org   
      
   Sergey Kubushyn wrote:   
   > Yep, there is no clean 10KHz square wave from vinyl, I agree.   
      
   That's becasue there is no 10 kHz square wave AT   
   ALL from vinyl. Even the grossest approximation   
   thereof requires a minimum of a 30 kHz bandwidth.   
      
   You disagree? Then show us a reproducible example   
   of an LP that can produce a 10 kHz square wave that's   
   distinguishable from a 10 kHz sine wave.   
      
    > But it is better than that abruptly cut at 22KHz.   
      
   How is cutting off below 20 kHz better than cutting   
   off at 22 kHz?   
      
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