Cary SLP-98 vs SLP-98 F1

My brother recently purchased an SLP-98L, and really likes it, but he's wondering what the differences are between it and the F-1 version. I guess he also too has upgrade-itis.

From what I've read it seems to give up some of the warmth in exchange for some speed - is this accurate?

Anyone who has experience with both please share your experiences.

call upscale audio and talk to Kevin. He can give you an in depth description of the difference.
Yes, Kevin Deal is a great resource on all things Cary. The F1 gives greater power at frequency extremes and is less syrupy...I love mine.