I have the SC-IVa fronts in my HT setup over 13 feet apart towards the front corners of the room due to constraints with room size and HT screen. They image very well with this spread but have to be turned in towards the listener to ensure the center image is solid enough.
So I'm sure the placement is what is causing my bass to be "shy", and with careful integration with a subwoofer (delay, phase & freq adjusted) it does make a difference and I think for HT use at least with setups similar to mine a subwoofer is essential.
For those of you who disagree with me about the speakers being bass shy in my setup, I'm open to any hints you have about improving my setup, based on your experiences. Maybe I need my ears cleaned
I also have the Dunlavy Athena for my living area, which has trouble energising the room with bass and I also use a subwoofer for them which works well. My living space is huge (the size of a standard house) and I do drive them with a receiver rather than dedicated components, so I don't expect to get thunderous bass.