Vandersteen 2w or 2wq's

As you mentioned having a smaller listening room (your post about a telecon with RV) I suggest spending lots of time/effort properly  positioning the 3A Sigs for best overall balance and leave it @ that.

Even in a large room the V subs rarely come into play, when mated with the 3A and/or 3A Sigs, with most music.

I also spent an afternoon auditioning the original 5's, when they first came out, and felt that the above held up as well (for that model as compared to the 3A Sigs + V subs).

GDNRBOB:

Telecon (also telcon) is 80's speak for telephone conversation (in this case the one you mentioned having with Richard Vandersteen).

A few inches (one way or the other) can make sizable differences in the bass/mid-bass qualityof a speaker, which is why I mention "time/effort" in my post.

Anyway, just saying do the best you can with what you have before adding subs/moving on et cetera.