A:AnswerNot sure if you got your dimensions question answered..
But if you are asking because you want to take it on a plane, you need to consider the weight more so than the size. This thing is heavy, and exceeds US domestic airlines limits and will cost significantly more than you probably want to pay to take it on a plane.. Better off shipping.
A:AnswerVery little and it's easy. There is a video on set up. Google best audio technica review which is a lot easier to follow than the written instru
A:AnswerNo, this turntable keeps spinning until you manually stop it. And when you are don, don't forget to turn off the power switch. I don't miss the automatic features of my old entry-level turntable. You'll find that the high end specs of this turntable are well worth the manual functions!