Epic win!

[Jon A.]

Originally Posted by Kamakiri

It's the tripler. Especially if it's an original. I just replaced one in the '77 Sylvania GT Matic I have here.

I was able to cross reference the Sylvania part number with a little googling. Mine ended up being this one:

http://www.ebay.com/itm/291059760580...%3AMEBIDX%3AIT

Thanks. The tripler probably is the original considering that it's just as dirty as the rest of the horizontal output/HV stage. Fortunately CRT emissions were great from the get-go and a single restore zap on each gun brought the life test results back to like new.