XPost: sci.electronics.repair   
   From: grizzledgeezer@comcast.net   
      
   > Construction of these transformers doesn't have to follow the normal   
   > rules. They don't need good linearity, so very high permeability   
   > ferrite can be used for the core in order to get a high inductance   
   > value. This is because the audio doesn't have to pass through the   
   > ferrite, it bypasses it.   
      
   ?????????????????????????????????????????   
      
   I know of no transformer type in which the signal "passes through" the core   
   material.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)