There are only 2 ways in my opinion that work well to position the rack between the speakers:
1) have very low racks that keep all the equipment clearly below the height of the tweeter and midrange of your speakers
2) have enough space behind the speakers to the wall so that the distance from the front of the speakers to the front of the rack can be a meter or more
If you can't achieve either 1) or 2) I think the best is to go for a longer interconnect and only place the power amps (or monos) between the speakers, again, as low in profile as possible. Corner positions for the rack are not ideal either. Too close to the outside of the left or right speaker is bad also, a meter distance should be minimum. I would not put it too close to the listening position either.
Joerg
PS: My system picture is not up to date, the placement has been changed according to what I wrote above. Clearly better soundstage :-)
1) have very low racks that keep all the equipment clearly below the height of the tweeter and midrange of your speakers
2) have enough space behind the speakers to the wall so that the distance from the front of the speakers to the front of the rack can be a meter or more
If you can't achieve either 1) or 2) I think the best is to go for a longer interconnect and only place the power amps (or monos) between the speakers, again, as low in profile as possible. Corner positions for the rack are not ideal either. Too close to the outside of the left or right speaker is bad also, a meter distance should be minimum. I would not put it too close to the listening position either.
Joerg
PS: My system picture is not up to date, the placement has been changed according to what I wrote above. Clearly better soundstage :-)