Thread: Zenith Porthole 19" H2447R
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  #10  
Old 09-19-2013, 04:55 PM
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Electronic M Electronic M is offline
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Join Date: Jan 2011
Location: Pewaukee/Delafield Wi
Posts: 15,410
I think the 6AU6 stack is an aftermarket device to boost fringe area reception. I believe one is on display at the ETF.
I thought they were for the tuner stage tubes but I might not be remembering properly.
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Zenith: The quality stays in EVEN after the name falls off!
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