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Hitachi 6SN7GTB question: Top getter vs bottom getter tube

I just won on Ebay these 3 NIB Hitachi 6SN7GTB black plates (re-branded as Tel-Rad) These are the bottom square getter ones vs the more common top getter ITT branded Hitachi version. Lots of posts here on the Hitachi's, but often it's not clear as to which of these two types are being discussed. If anyone has this Hitachi version, I would love to hear your opinion on these. I will post mine when they arrive.

Also, the date code is 8-8 as stated by the seller. Hard to find ANY Hitachi date code info, so if anyone knows that would be of interest also.

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Topic - Hitachi 6SN7GTB question: Top getter vs bottom getter tube - Amphead 15:16:56 05/07/17 (11)


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