From: phil_a@tpg.com.au   
      
   "Big Bad Boob"   
    Phil Allison   
   >   
   >>> /me trying to think up a rectifier + regulator circuit for negative bias   
   >>> voltage using 6AV6 or 6AT6 tube.  that'd be fun.   
   >>   
   >>   
   >> ** Isn't it better practice NOT  to regulate the negative bias voltage   
   >> fed   
   >> to OP tubes ?   
   >>   
   >> Rather, just let it move up and down with the HT as the incoming AC   
   >> supply   
   >> varies over time.   
   >>   
   >> Keeps the plate bias current closer to constant ....   
   >   
   > uh, not sure if that's the case so much.   
      
      
   ** You are not sure if your arse is on fire.   
      
   > Changes in grid volts will have a larger effect than plate volts.   
      
      
   ** So you have no experience with real tube amplifiers.   
      
      Thought so.   
      
      
   .... Phil   
      
   --- SoupGate-Win32 v1.05   
    * Origin: you cannot sedate... all the things you hate (1:229/2)