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Old 08-26-2013, 11:11 AM
compucat's Avatar
compucat compucat is offline
1949 Motorola 9VT1
 
Join Date: Apr 2005
Location: Suffolk, VA
Posts: 970
Quote:
Originally Posted by dieseljeep View Post
Many of those 8DP4's were short lived, as they weren't aluminized.
Why would the lack of aluminization shorten the life of the tube? A properly adjusted ion trap prevents burn in while the emission is unaffected by the lack of an aluminum screen coating. I have aoriginal 8DP4 in my little RCA metal cabinet set and it is still very bright.

I have always liked those little Emersons especially because of the included radio. That woud have been a perfect bedroom TV back in the day.
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