XPost: uk.rec.audio   
   From: ruffrecords@yahoo.com   
      
   David Looser wrote:   
   > "Ian Bell"  wrote in message   
   > news:i67kj5$679$3@localhost.localdomain...   
   >> John Byrns wrote:   
   >>>   
   >>> There is only one logical way to connect the first two resistors, and   
   >>> then seemingly only one place to connect the odd resistor, but what is   
   >>> the point of including the third 10k resistor?   
   >>>   
   >>   
   >>   
   >> To provide some attenuation to get the 2V rms output closer to the 0.5V   
   >> rms input requirement.   
   >>   
   >   
   > If the idea is to prevent overload of the amplifier then the shunt resistor   
   > should be a lot lower, 1.67k to be exact.   
   >   
   > David.   
   >   
   >   
      
   The idea is not to prevent overload but rather to get the power amp volume   
   control in more user   
   friendly region.   
      
   Cheers   
      
   Ian   
      
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