View Single Post
  #10  
Old 02-23-2013, 12:52 PM
Eric H's Avatar
Eric H Eric H is offline
Administrator
 
Join Date: Jun 2002
Location: So. Calif
Posts: 11,565
Quote:
Originally Posted by kx250rider View Post
I think there are a couple of wires swapped for the Predicta tubes, to prevent the filaments from coming on if somebody puts a 2.7 volt tube in a 6.3 volt TV, or from installing a 6.3 volt tube in a Predicta. If you don't have the right socket, you can check the schematics of the Predicta and any other TV with that size socket but standard filaments, and temporarily swap the wires.

Charles
There's a difference but it's not the heaters, I think they swapped G1 and K or similar. Using the wrong socket just results in the meter pegging.
Reply With Quote
Audiokarma