Audiophilepure

http://www.avguide.com/review/headamp-blue-hawaii-se-electrostatic-headphone-amplifier-playback-56

“We close by repeating our suggestion that prospective purchasers need to think about which aspects of the Stax headphones are causing them to pursue electrostatic listening in the first place. You might say “all of them” and that’s fair. But we do think there are likely to be two major, valid camps, both seduced by the SR-009, yet desiring different things from their headphone amps.”