Yeah, that FR was from the original Sprout from S&V. Then, when they featured the Sprout100 in Stereophile, they didn't even measure it.
But, just scanning through this link gives me enough info to R-U-N!
This is a review and detailed measurements of the PS Audio Sprout100 integrated DAC, headphone and power amplifier. It is on kind loan from a member. The Sprout100 is an upgrade over the original Sprout and costs USD $599. I remember the first time I saw the Sprout at an audio show. I...
www.audiosciencereview.com