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U87 ai`s?
Author: Posted by Tom
Date: 02/19/2004
Hello, I have 2 U87ai`s The first U87 is # 84691 the second is # 86602. The first U87 has alot more bottom end than the 2nd U87, or you could say the 2nd U87 has more apparent high end, i havn`t heard enough other U87s to make a decision(Both sound good but drastically different). After i took the sleeve off the mics i noticed that the first U87 has circuit diagram 3 written on the back side of it and the second mic has a circuit diagram 4? Also the 2nd U87 has an extra small circuit board on it? Do you modify the newer U87`s? Thanks for your answer in advance, Tom  
Posted by Tom