That is a small question with a need for a
REALLY BIG answer, and I am a slow typist.
And I think Jim above offered an excellent "readers digest" version.
Placement will always be relevant to the speaker/room interaction, and the listeners preferences.
In general, geometries will all be influenced by the above.
It is always interesting to hear or see the "
generic audio" suggestions, like equilateral triangle, tweeter at ear height, toe in to on axis, etc, but in reality it can be a complex and time consuming exercise that can take years to get really dialed in. In fact many of the generic offereings do not directly apply to
VMPS.
Things like bass response, imaging, soundstaging, and so on
all will depend on the placement, positioning, and convergence geometries you employ.
Even different
VMPS models will be set up differently. We have rear ported, monopole, folded baffle dipole, Dual Line Array Bipoles, Reduced Front Baffle, Side Firing Woofer, w/CDWG and wo/CDWG considerations, etc.
And when you factor in all the great tweaks that have been posted over the years, you have some very interesting and incredibly sounding systems and potential.
