Quote:
Originally Posted by Captainclock
I thought about that but sadly enough I pretty much had every single tube that this TV needed in my tube stash except the 6FD7 or its subs... 
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Do you have a sub guide?
Many times the subs listed are only close tube designs and will, only once in a while, cause a new problem. IE: the vertical hold will be critical or the lin or height won't adjust properly. The 6FD7 and the 13DF7 is a Philco designed tube.