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

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   Message 51,357 of 52,877   
   Paul D. Spiegel to Phil Allison   
   Re: Choosing a fuse   
   31 May 11 22:54:46   
   
   From: pds@ktb.net   
      
   Phil Allison  wrote:   
   >   
   > "Paul D. Spiegel"   
   >>   
   >> What do RATS use as a "rule of thumb" to select a fuse for a power amp?   
   >> In the past I've doubled the idle current, but honestly, that was just a   
   >> guess.  How do you choose?   
   >   
   >   
   > ** Kinda depends a lot a WHERE  in the circuit the fuse is going to go.   
      
   > Incoming AC supply ?   
   >   
   > HT line before or after filter caps ?   
   >   
   > Output tube cathodes ?   
   >   
   >   
   >   
   > .....  Phil   
      
   Right.  I should have been more precise.  I am referring to the incoming   
   AC.  This particular amp draws about 0.5a at idle so I would normally   
   choose a 1a fuse.  I was curious how other RATS choose a fuse rating.   
      
   - Paul   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)   

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