Greg, I own a Marantz PMD201, and I'd be delighted if I could use it for the slow-down-at-constant-pitch function, but I don't see what you're talking about.

It will play or record at two different speeds, all right, but one needs to play back at the same speed it was recorded or you get the chipmunk effect. I don't see a way to vary speed without varying pitch, and vice versa.

If I'm wrong, please enlighten me.

Dave Oesterreich