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2 way active set up 10 months 4 weeks ago #62603

  • Markie
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Please can somebody confirm that what i am planning to do is correct, I am building a 2 way active monitor and know the crossover point i need, If i put the crossover into flex  and then run dirac room corection i will be done, will the dirac sort out the peaks and dips in the drivers or must the drivers be measured individually  first, Thanks for any help and apologies for being clueless but this does sound like its going to be fun

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2 way active set up 10 months 3 weeks ago #62606

  • Jeronimusch
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hi, they way i work is backwards compared to the signal flow. i do the nearfield measurements first with REW and the mic up close for each driver approx distance is half the diameter of the unit i.e. a 8" driver the mic is 4" away on centre. with this you can do a PEQ in REW and load in the minidsp software. 
then i run the Dirac to correct the room.

hope this helps,
 

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2 way active set up 10 months 3 weeks ago #62614

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Thanks for the reply.  sounds more difficult  than I was hoping so time to watch some more YouTube videos.  I should learn how to measure a driver anyway 🤔 

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2 way active set up 10 months 3 weeks ago #62616

  • 4WayGuy
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I agree with Jeronimusch, You calibrate you drivers level using REW and a microphone (I recommend the UMIK-1, it worked well for me) close ish to the speaker using a gated windows (to avoid listening the wall reflections). Then once you have a balance speaker with a flat enough response, you run DIRAC to compensate for the room. Have fun. The Flex8 windows interface is really intuitive.

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2 way active set up 10 months 3 weeks ago #62626

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Thanks guys its good to know help is available on this forum,

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2 way active set up 10 months 3 weeks ago #62669

  • denver8me4dinner
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Close mic only for tuning crossovers…

listen position for everything else or just do Dirac 



I agree tho , turn off crossovers and make responses flat only in the projected stop bands of each driver close mic , turn on crossover  and then run Dirac…

I wouldn’t eq down any pass band , let Dirac sort that out …. It will usually sound better…

if you have more then 10db swings then you’ll need more pre eq obviously 


you want each driver to play flat , if your listener position is a mess , then a small pre tune will be good 

just don’t do any separate L and R eq as it will de-correlate…. Let’s Dirac do separate L and R eq 

just knock down the common peaks or the sums of L and R and you’ll have excellent sound quality 

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