[Amps] What is the best way to run a pair of 4-1000 tubes grounded Grid o...

kf4toh at aol.com kf4toh at aol.com
Sat Dec 22 17:52:15 EST 2007


4-1000 tubes are tuff   stuff      fairly cheap too when you can find them
   2 good ones that match up 

one old boy up in IND  had a 2 hole setup for 160 / 80 only
 
  Ran 7500 B+   in GG  and drove them with a FL2100Z .

    
    you know .....     Contesters!  
 

      6K  on one 3-1000Z tube can be  fun to see too, ill hold that though! 

   now  legal limit  3.5 K B+  @ 50 watts should be close 
    with 2 tubes

   Its something about the 4-1000 that when you go pass 4.5K on the plates
   it really starts making big power   but wants more drive , which is 
    kind of backwards ..  

       weak parts start failing once you pass that 5K  mark  "danger "
          
     pretty soon its going to be just as hard to find a 8877 as it is to find
   2 good fat 4-1000s 

   jk       


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