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In Reply to: Mullard ECC83 help with dates! posted by Markammon on December 12, 2006 at 23:48:20:
Actually, I believe that tubes with one number(B8F,B9D etc.) are actually from the 1950's.I own a trio of Voice of Music labeled Mullard ECC83 with B9I date codes and have always thought 1959.Four digit/letters are from the '60's and 70's.
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- Re: Mullard ECC83 help with dates! - Orchardist 10:32:27 12/13/06 (0)