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splitting balanced lines

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I'm rewiring my monitor system. I have found through experimentation that running directly from my lynx digital interface analog outs to a power amp sounds spectacular. I attenuate at the power amp and in the computer.

I realize I might have an impedance matching problem - but I think I can measure that and just load up the system correctly.

My problem is that I was using a crossover - now I am bypassing it for the high end because I have tuned the (audio control crossover) to pick up at the acoustic rolloff point of the high packs - at about 50 hz. This lets me run balanced all the way to the hafler p7000 powering the high packs, no circuits in between. Still, I need to feed a signal to the crossover just to run the sub. Thus I need to split the signal somewhere. The issue for me is How to split the xlr balanced lines to an unbalanced input in the crossover without disrupting the impedance (maybe that's ok) or the balancing. If I just split the low impedance/xlr and convert to unbalanced with a simple plug, I beleive I will lower the impedance quite a bit, and lose balancing. Both of which I expect to impact the sound negatively. The Hafler has no aux outs or anything, and the computer only has two analog outs, so I'm stuck. I'm trying to keep a minimal signal path - so I don't want any op amps, pots, etc in the path of the high packs.

btw, the crossover is linkwitz 24db/oct - will the sub end up in phase with high packs now that I am using acoustic rolloff as my "high pass"?


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Topic - splitting balanced lines - tmcconnell 21:06:31 10/27/04 (3)


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