Thread: EF91 to EF80
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Old 30th Oct 2019, 10:47 am   #69
G8HQP Dave
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Join Date: Sep 2008
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Default Re: EF91 to EF80

Quote:
As an aside, with the 12AT7/6AB4 (ECC81/EC92) pair, the 12AT7 came first, the opposite of the case with the 12AU7/6C4 (ECC82/EC90), where the 12AU7 came first.
Did you mean to say that the 6C4 came first?
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