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12ay7 substitute

4/29/2002 2:08 PM
scott c12ay7 substitute
i was looking through my nos tubes, now that my 5e3 is running ok. i found a bunch of 12au7's and 12at7's but no 12ay7's. can i use a 12au or 12at in place of the 12ay?

tip either will work, the 12AT7s' are a... -- 4/29/2002 6:01 PM