Can a dipole speaker be made by mounting another speaker on back side in antiphase?

How would it sound differ from a speaker without cabinet or baffle?


Possibly more bass as there is some path from one speaker to the other created by the sides of the cabinet.


See also previous post.


 Disadvantages. More weight. More cost. 2 sound sources, not a point source.


Advantage? No radiation from the sides of the enclosure since acoustic waves cancel out, one speaker produces positive presure while the other one negative.