active crossover summing(isolator mod)

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botje1

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Joined 2013
Hi!
I want to summing the outputs of an 3-way active crossover.
so that it behaves like an kill eq isolator.

I came across this: Why Not Wye?
resistor summing.. some people say it will cost phasing problems.
whats your view on that ? i dont care about loosing some sound quality.

then i came across this: Rane SAC23/X3000A (3Way Divider)

sadly the guy has absolutely no info about his projects.
its a rane sac23 mod.. witch uses a summing amp (stereo buffer)i guess..

StereoMix Buffer: http://www.meta-design.jp/Photos/Sac23/Sac2326.jpg

so i assume it takes the signals from the capacitors before they go into the original amps ??

anybody familiar with this kind of circuits ? or has an id of what is happening ?

thanks !
 
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