From: MrT@home   
      
   "GregS"  wrote in message   
   news:ht1a4f$i2i$3@usenet01.srv.cis.pitt.edu...   
   > We have no idea of what the speaker did without looking and testing all   
   components.   
   > I don't think the OP will do this, and he will likely still have problems.   
      
   As I and many others have pointed out frequently.   
      
   > I worked a little with poly switches. You can get both negative and   
   positive devices.   
   > It critical to know the the trip current of the device and also the exact   
   > Z of the drivers. They are tricky, are not foolproof, and can also   
   interefere the   
   > performance.   
      
   Sure, but are still far better at protecting a speaker than a 7W resistor!   
      
      
   > I have seen sand power resistors get awfull looking yet still work.   
   > I would rather use fire proof resistors at times than carbon or film   
   resistors,   
   > which thae later seem to be in abundance in my parts bin.   
      
   7W carbon or film resistors are not real common however. And I've never   
   heard of a "sand" resistor, perhaps you really mean the common wire wound   
   types?   
      
   MrT.   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)