XPost: rec.music.gdead, sci.electronics.design   
   From: trevor@home.net   
      
   "Arny Krueger"  wrote in message   
   news:muadnVO6nayXe_HQnZ2dnUVZ_vWdnZ2d@giganews.com...   
   > While CD-4 recordings were made with 30+ KHz carriers on them, those   
   > signals were cut at very low levels. Playing them tends to erase them   
   > after a few playings, even with the best cartridges and stylii.  People I   
   > know who have experimented with CD4 tell me that about 10 playings is it.   
      
   Depends on many factors. My B&O MMC6000 could still recover the carrier   
   after *FAR* more playings than that. Of course the actual surround signal   
   was pretty crap to begin with on most (all?) CD4 records, just as might be   
   expected from such a compromised system.   
      
   Trevor.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)