MAIN QUESTION: what is the input impedance of the V3 stereo amp?
TOO MUCH DETAIL:
I'm running a biamp system: Wiim Pro streamer output split between a dsp (acting as low-pass crossover to Hafler DH220 and twin subs), and a Fosi V3 stereo (48v ps) driving Magnepan MMGWs. The Magnepans are...