>interested to know which component has the most effect on getting good soundstage<
Your Room... once you take control over of Echo Slap, Reverb times (RT60's), First Reflections, and Standing waves, your speakers and equipment's true potential will show thru.
Your Room... once you take control over of Echo Slap, Reverb times (RT60's), First Reflections, and Standing waves, your speakers and equipment's true potential will show thru.