Slightly different crossover configuration affects the result,why?

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According to a recent review of the Audio Physic Cardeas in the German magazine Stereoplay (Stereoplay 12/2009), a slightly altered configuration of the crossover typology makes audible differences to the sounding result.

Here is the "new typology".

- C1 __________\__/__________ C2 + where C1 & C 2 have the

same capacitance and in addition they have the double value compared
to a single cap approach-


- L1 ___________\__/__________ L2 + were L1 & L2 have half the inductance of a single inductor.




\__/ are drivers

The magazine was offered two pairs of compact speakers from Audio Physics with and without the "new" configuration and they claim a significant difference in the sound quality. Most noticeable is a more stable imaging in the "new" one. Is there any explanation or is it possible "fake"?
 
So they split a single L/C in one arm of the driver to a pair of L/C's balanced in both arms of the driver circuit Keeping the total value of L and C the same?

For one, the effective series resistance (ESR) could be different which, if significant enough, could make a small sound difference. But it seems like a way to justify more price to me.
 
I've seen the split capacitor configuration with the addition of a battery to bias the junction of the two caps away from zero. JBL has used that in some of their top-end rigs. Probably of most benefit for large values where two big NPE's are much cheaper than one film cap half the size.
 
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