From: pfjw@aol.com   
      
   On Thursday, September 1, 2016 at 3:25:19 AM UTC-4, Big Bad Bob wrote:   
      
   >    
   > I've been kicking around the idea of making one of these that had ZERO   
   > patch cables, and could efficiently deliver up to 0.5A for the plate (at   
   > certain voltages), and at the same time, enough current for the heater   
   > power.  Some edge conditions for KT-series power tubes can conduct some   
   > serious current (up to 1/2 an amp), and the heaters can suck up 12W or   
   > so.  If the power tube can't deliver it's max current at the correct   
   > plate voltage, it's essentially "going bad".   
   >    
   > anyway, that's somethi   
   >    
   > but yeah, this particular curve tester goes up to 200ma which probably   
   > covers most tng that an emissions-only tester wouldn't be able   
   > to test for.ubes.   
      
   That would be labor-intensive as you would have to have the sorts of   
   selector-switches that conventional tube-testers use to cover all the base   
   options. I expect that the patch-bay directs the various voltages and loads to   
   the appropriate tube pins,    
   meaning that for the common run of tubes (not compactrons, for instance) all   
   you would need is nine (9) sources and nine (9) destinations to cover all the   
   various options from a 5-pin miniature to a grid-cap octal or locktal. Then   
   one would make the    
   proper connections to the proper pins.    
      
   Peter Wieck   
   Melrose Park, PA    
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)