I called Dunlavy Audio and spent almost an hour chatting with John Dunlavy. Talk about customer service! I knew my amp and pre-amp would have no problem with the signal in that they are built to recieve and send that. The speakers were the unknown. I have the SCD-1 and it turns out that Dunlavy is using the same unit in there demo room. John's comment was "let's try it, the worst that could happen is we replace a couple tweeters". I guess the electronics of the cross over is safe, so if your willing to risk your tweeters go for it, assuming your other equipment can handle it. I switched it over seven months ago and it made a difference, not as big as others have reported with the SCD-777ES.
Sony sacd "custom setting"
Has anybody out there switched the factory setting on the rear of Sony's SCD-777ES from "standard" to "custom"? A warning regarding the increase in frequency associated with custom setting, states potential damage to amp and/or speakers, if used without compatible ampliflier. I would love to try the "custom" setting, but wish to hear from those who have successfully utilized this option.