Dana, it may be that the the ERDs are in fact "in an entirely different class" from the QSs. They appear to be a fairly routine dipolar design, while the QSs use upward and downward in-phase firing mid-woofers(possibly inspired by Allison designs of the 1970s)which uniquely combine very wide dispersion with an element of directness to suit various source materials well.
Yea John,
One strange thing about them too is they have switches in the back to go from Bi to Di polar and vice versa. I was reading the Emo and avs forums and the thing is, some do not like the switches are on the back. The bracket is for wall-mounting and then the switches are covered up. So it's a pain when experimenting with them, you have to remove them from the bracket to get to the switches...
Looks like a swivel type wall/ceiling bracket would be best...
