Speaker comparisons

I own a pair of Proac Response2 speakers ( with new drivers) .
Love the sound ...although interested in how these compare to various Dynaudio standmounts...
How big is your room and how are your speakers positioned?

What type of stands are you using with the Response 2?

What equipment was used to demonstrate the Dynaudio C-1, and how large was the room?

Room is 12 x 22..

speakers on short wall. 1 ft from back and side walls. placed straight into the room. seating at 8 feet from speakers .

Target MR24 stands ( 4 poster ) filled with sand....

The C1's were in a room size approx 25 x 25 ft. don't remember the equipment used at the show room.

If the C1 room is a square room, it will have stronger standing wave reinforcement at certain bass frequencies which may explain the impressive bass you had heard. Also its first reflection point from the sidewall will be much further away giving a weaker reflection and a longer time delay which can contribute to a better soundstage.

Without actually being there it is impossible to know for sure but the bottom line is this: Unless you are doing near field listening, it is very difficult if not impossible to draw any meaningful conclusion from comparing two different speakers in two different rooms.
I too like Proacs - perhaps it was the elctronics that added to the bass and the impressive presentation.

I think Dyns have this lively sound that's impressive, but proacs are nice speakers as well...

If you really want bass, you can always add a nice sub.
I have a 12 x 17 room with Response 2.5. I used to have the Response 2 in the same room. The speakers are 4 feet from the wall behind them and two feet from the side walls. I sit about 8 feet from the speakers.

I think may be able to improve your imaging by moving the speakers out further into the room and further from the side walls assuming that is possible. I would also try adjusting toe in and adjusting your seat height to see if the matters.