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KyleinCowichan 6th January 2012 12:18 AM

miniDSP + miniAMP Fiddling
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Hi Everyone,

I took a first stab at setting up my recently purchased miniDSP and miniAMP as a digital crossover for my set of Overnight Sensations. This was a learning exercise rather than an attempt at improving the existing crossover. I don't have measurements at the moment. I used Paul Carmody's description of the crossover design to configure the miniDSP using the 2-way PEQ plug-in.

After some initial configuration glitches I had it up and running. I hope to make a better observation of the difference between the passive crossover and the my new digital version this weekend. Attached bellow are some photos of the setup and the software config. One major part of the puzzle I am missing is the values and configuration of the baffle step compensation. I couldn't find a description of it beyond the electrical details Paul had on his site.

So far the miniDSP has been a snap to use and the miniAMP running the speakers in a 4x10w bi-amped configuration sounds totally usable.


tuxedocivic 12th January 2012 01:13 AM

Kyle, you need to get the transfer functions from Paul and program those (as close as you can) into minidsp.

You could bring one over and I'll measure the driver and develope an active xo. Paul wasn't designing for active, so he may have missed out on maximizing the drivers for active with dsp.

If you don't go back to passive, you could sell you xo'ers. Assembled OS xo'ers are popular ;)

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