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   rec.audio.tubes      Tube-based amplifiers... that go to 11      52,877 messages   

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   Message 51,241 of 52,877   
   Phil Allison to All   
   Re: Tube amp "singing" when no output ho   
   15 Jan 11 22:29:17   
   
   ee593dfb   
   XPost: sci.electronics.design   
   From: phil_a@tpg.com.au   
      
   "Stretto"   
   >   
   > I am trying to diagnose a problem with an amplifier. I was using a   
   > freq. sweep input and noticed than when I turned the gain up the I was   
   > hearing the sound. There is no speakers hooked up and the sound seems   
   > to be an exact replica. I did not try other sounds as it seems pretty   
   > obvious that something is making reproducing this sound and it is not   
   > coincidence.   
      
      
   ** Gee whiz  -  most amps just hum along.   
      
    But your one is way smarter and knows the words.....   
      
      
      
   ....  Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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