here is a link to the Blue Hawaii Head Wise article from KG, https://web.archive.org/web/20150314232458/http://headwize.com/?page_id=751 here is a link to the Solid State Current Mode Amp from KG, the precursor to the Carbon...

Well I've read many different things on this thread (only what, 3000 messages or so??)   So I finally have the opportunity to give a little back.   I decided a little bit ago to finally buy a direct amp for my Stax headphones (that I've had since 1972). So I bought a SRM MkII/Pro. Got it and...