[Amps] 813 No parasitics

[Rick Cole VK3YM]

Skip wrote
>I've not had a case of parasitic problems in grid 
>driven 813 amplifiers, but I've had my share of 
>oscillation problems. So few people are building 
>new 813 projects that most threads quickly wind 
>down to a dull roar. 

Skip.. I am very interested in your remark about the 813 tube...Can you enlighten me...very briefly..as to the reason for lack of parasitics..what makes the 813 so stable as compared to other/similar tubes...
           Rick   VK3YM