Hi Steve, and Hello to everyone, I'm Adriano. Well, I agree totally with Steve's opinion about Ar 3 and 3a, but I believe it's imposssible to say Ar 3 is better than 3a or vice versa. I'm listening both almost every day, and I can say they're two different things. AR 3 was designed by Edgar Villchur, while AR 3a is a design by Roy Allison. When my father bought me a pair of Allison One for my 18th birthday (1978), I noticed immediately the AR 3a look-alike sound. A little bump in the midbass reg