active crossover freqncy for Totem Mani2

Metronet, could you describe what exactly you are after, or what you would like to correct with what you already have? As someone above already noted, bi-wiring I think is essential with these speakers. If you want to add a little more mids, a trick I've heard about is to add another run of cable to the mids/tweets, so in essence you'd be having three runs to a speaker.
There are lots of threads on here about the Manis, many people like loads of power with them. If that's what you are after, it might be easier to scrap your amp and get some monos or something you could bridge.
From what I've heard of a Totem, if you go messing about with the crossover, you'll not have a speaker as it was tuned to sound.
Post a bit more info, and good luck!

Agreed, it will work, but will it compromise sound quality?
I guess there's only one way to know...:)

Metronet, you should ask a dealer or company about the load and your 80%. As long as it doesn't sound overloaded, I would think it fine. Manis are a notorious load, down to 3 or 3.5.

Also, just to be thourough, what stands are you using? Can make a big difference, although you were more concerned about amp clipping, sorry.
Agree with last posts, I think you've gone about as far as you can go with your Accuphase. Love it or move to another amp.
Have fun!