With the wavelength of sub-bass being as long as it is, I think that time-alignment is a bit overblown, … 50Hz for example is about 20’, a couple of inches here and there really doesn’t affect imaging, which is one of the reasons that subwoofer placement doesn’t have much effect on same.
What I would be concerned about RE: subwoofer placement is standing waves / reflections in the room. The most attractive and convenient placement isn’t always optimum (and there’s no way that anyone on the internet can recommend better placement without room dimensions and/or measurements from your system.
What I would be concerned about RE: subwoofer placement is standing waves / reflections in the room. The most attractive and convenient placement isn’t always optimum (and there’s no way that anyone on the internet can recommend better placement without room dimensions and/or measurements from your system.