Hmmm...that's a tough one considering that sound is subjective and we don't really know for sure what aspect of the sound you/we are referring to. At any rate, I'll offer this reply......I happen to love the sound of a well tuned supra (no offense) and I have played them, both 400's and 402's, with coated ambassadors and emperors. The biggest difference I can hear is that with an emperor, there is more midrange and meat and a fatter body of sound. The ambassador seems to bring out more of the aluminum crunchy high end that the supra is known for, if that makes sense. It seems to sound a little thinner and more "brittle" if you will, compared to the sound with the emperor. At least that's my take on it......