Thread: tube question
View Single Post
  #2  
Old 10-08-2011, 11:57 AM
Reece's Avatar
Reece Reece is offline
VideoKarma Member
 
Join Date: Jul 2004
Location: Cleona, PA
Posts: 2,178
The 6AF6 has separate grids for each side of the pattern. If the two grids (pins 3 & 4) are connected together, both sides of the pattern should move unless the tube is defective.

In some cases the two grids may go to separate circuits as the design was to better indicate FM vs. AM tuning.
__________________
Reece

Perfection is hard to reach with a screwdriver.
Reply With Quote