This is my first "proper" review on Head-Fi. I'd be remiss if I didn't post one, though, as the Ray Samuels Audio ("RSA" from here) Apache is a relatively rare amp, and has limited coverage online. As a new owner, I feel pretty strongly that it deserves further praise and information posted about it, in case Ray ever gets enough parts to start taking further orders! First, I should note that my rating of 4.5/5 is simply to leave room for the mega-buck amps in the price class above $ 3,000 USD, and I would presume those can achieve more on a larger...