I heard that if there is a large impedance difference between upper and lower drivers then bi-wiring is better. Can this just be measured with an ohmeter? Any other thoughts for when bi-wiring is better than a single run?
Does the crossover makes a difference? Like 1st order Thiels don't allow bi-wire but higher order designs use bi-wire. B&W recommends it for "serious listening" in their owners manual.
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