06-23-08: Piedpiper
I've also heard 25 times which puts it at about 600, but neither are necessarily so.
Yes, I've heard that, too.
I'm using 220ohm loading of the Heed Quasar (presently auditioning), and it sounds better to me than the 470 ohm option with the Benz Micro Ace Medium (.8mV) cart. Top end energy is more balanced and less aggressive.