Thread: Giscours Tube Question
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Old 02-02-2019, 06:40 PM
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JPrest JPrest is offline
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Join Date: May 2009
Location: Minneapolis
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6072A is a low noise 12ay7, early RCA Blackplates would be a good susititute or the far harder to find military Raytheon 6072 in coffin boxes...
Good Luck.
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