Capacitance may indeed be over-hyped depending on the application. In the case of the Emotiva amp, 12,500 uF provides a tremendous amount of dynamic power. If we assume that this capacitor bank charges up to a rail voltage of 50V, in a 10 msec drum transient the bank can discharge 62 Amps into the M80s (12,500 uF*50V/10 msec). That's 15,000 Watts of power into a 4 Ohm M80. Looking at it another way, this is 50 times the steady state rating of the amp (300W into 4 Ohms) or about 17 dB of headroom. According to articles I've read, for uncompressed folk, rock and pop music 10 dB of headroom is considered minimum with up to 25dB not unusual. So if you are in an environment where you have the amp operating close to its 300W steady-state limit, you really want this much capacitance and maybe more. But if you're like me and you listen to music with a few watts max, this much capacitance is really just a waste of money. For Randy, the more capacitance the better .