From: peterxpercival@hotmail.com   
      
   Ralph Mowery wrote:   
   > In article , peterxpercival@hotmail.com   
   > says...   
   >>   
   >> I wish to buy a power supply delivering up to 500V for experiments with   
   >> thermionic valves.  What would be a suitable current?   
   >>   
   >>   
   >   
   > It would be helpful if you would list some of the valves numbers and how   
      
   Not yet decided!  Bog standard AF triodes, probably.   
      
   > many valves you plan on operating at one time.  Do not forget that you   
   > need the filiment voltage also.  That could be 5, 6.3, 12.6, just to   
   > start with.  You may need other voltages, but they are the most common.   
   >   
   > The current for one valve could run from 50 to 200 ma.   
      
   Recommendations for suitable PSUs?   
      
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