Quote Originally Posted by Geoffcin
The magnplanar tech is faster by far than any conventional driver, and also not reactive, so it's relatively benign to drive. The transient response of electrostats is phenomenal, but as you are aware more than anyone here, they are probably the most demanding speaker when it come to amplification.
Faster? I would ask you to define what you mean by 'faster'.

Transient response: a result/function of frequency response.

Mass: irrelevant on it's own. The result of increased mass, assuming two identical scenarios(and htis is not the case in ESL vs. dynamic) with no other variables, is reduced efficiency.
The 'low' mass of the diapgragm of an ESL is counteracted by the extreme weak field produced by the stators -- though this diaphgragm is low in mass -- typical ESL has typically lower efficiency then an average dynamic speaker system.

-Chris