Should i move rack to sidewall?

Running extension cords is not a good idea... especially to the amplifiers.

What you want to do is get your rack out of an area that reinforces the low bass, i.e., into a room null. You might be able to do that by simply moving the rack a foot or more from the wall. Of course putting it in a corner or next to the subwoofer is not good. Having a giant TV screen between the speakers (large reflective surface) is not recommended either.

I'd put on some music (or test disc) with copious low bass and then put my head where the rack is and see how much the bass increases there. Then pull your head away from the rack and wall and move the rack to the point where that bass build-up abates somewhat. Happy listening.

I've pondered the same question after reading GBS. I've mostly had my rack (or in my other house a large entertainment center) between the speakers and have wondered to what degree it is impacting the sound quality of my system. Though I have never rearranged the same components in the same room so that there was nothing between the speakers, I have had systems in the past where the rack was on the side wall close to my listening chair. I've come to the conclusion that like most things there are trade offs-having the rack between the speakers keeps cable runs short (and neat) and but may hurt imaging and center fill compared to having the rack located elsewhere. I've decided to put the rack between the speakers but move the speakers forward as much as possible so that the baffles are further from the front wall than the front edge of the rack. Unfortunately, in my listening room I cannot move the speakers very far from the front wall so they clear the front of the rack by only six inches or so but I'm thinking this is better than having the rack in line with or in front of the baffle edge. Not sure if this helps but you may want to try moving the speakers well forward of the rack if you can rather than move the rack to the sidewall and incur the cost of recabling your system or diminishing the flow of power to your components with extension cords etc.

I bought the DVD version of GBS and came to realize, that it is great guide but not gospel. Some of his suggestions are just not feasible for those uf us that don't have dedicated systems and rooms. I agree with his suggestion, however I must omit that section when analyzing my system as I have a combo HT/2 Channel system and don't see it ever changing unless I will Powerball.