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RE: The technical reason passive bi-amping can improve sound

JUst a detail but each channel of a single amp gets all frequencies. The tweeter xover just stops the lows and the woofer xover stops the highs. The xovers are after the amp. 'the passive crossover inside the loudspeakers will divide the current into a bass current for one channel and a tweeter current for the other' is incorrect. Only a xover(active or passive) before the amp will accomplish that.

This doesn't mean that passive biamping isn't advantageous only that properly done active xovers before the amp(only when it's part of a powered speaker - sometimes and not a generic active xover with selectable values) are even better.

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