How To Find The Best Crossover Points In Dirac Live Bass Control

If you use Dirac Live Bass Control - DLBC - here's how to easily find your best crossover points for each speaker group. Dirac does not calculate these, it must be done manually through trial and error. It's nothing hard at all, it just takes time to recalculate several times and wait.
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[@tedmanasa907]

Thanks for the videos. Word of caution: Dirac’s resultant curve is a loose prediction based on what it “knows” about your room-which isn’t a lot. Measuring actual room response post calibration with REW often differs quite a lot from what Dirac predicts. Unfortunately, Dirac’s resultant curve isn’t a reliable guide for what your crossover changes are doing to your room response. The best thing I have found to do is trial/error the crossover in Dirac then measure with REW. I get much deeper, much more even bass doing that than following Dirac’s prediction.

[@COGuyStuff]

While somewhat true, it is FAR more accurate in some versions vs others. I use 3.4.4 and it's spot on comparing results in REW to a single measurement point.

[@Shogun_1973]

Great content, thank you. One question. How to set crossover for speakers in Maranta Cinema 50 before the room calibration? (I have 5.1 wharfadale pacific eco 30 with Dx-10 subwoofer - yes old but very powerful) We will set as usual and bass control will modify as needed? what is the best practice? thank you

[@Shogun_1973]

It seems like dirac bass control and management set the crossovers automatically. Crossover settings are disabled in marantz after the configuration.

[@hdmoviesource]

I use MultEQ-X app, can you turn off diracs measurements and import your own target curves and EQ like in that app?

[@COGuyStuff]

No

[@radry100]

Why don't I see the crossover in my dirac software? Got the latest version 3.7.3 Is it a limitation of the device I'm measuring (It's an Onkyo AVR).

[@COGuyStuff]

You have to have a dlbc license, that’s what manages the bass.

[@johnggraves]

THANK YOU!!! @@texxhexxmm Updating my firmware now. Dirac Tech Support did not even mention this primary step. Many of us "access" Dirac via a tablet or pc since that's where the software is installed.

[@G8R20Y]

So I always have to compare my target curve with the corrected curve?

[@COGuyStuff]

Yes

[@hideff4982]

I bought the full range bass control multi sub license but there is no Bass control or Management in the menu of the software. Any tips?

[@COGuyStuff]

Login to the Dirac site and make sure it’s on your account. And make sure you are logged in to the same account in the software.

[@hideff4982]

@@texxhexxmm thanks that was my issue too.

[@rogergrude3242]

Only adjustments you do, crossover and add +6db houscurve? And leave the rest as Dirac set it?

[@COGuyStuff]

Yep

[@stackoverflow8260]

Which version of dirac are you using? I did all the measurements painfully and the damn thing failed to export filters..

[@COGuyStuff]

This was 3.7.2

[@uribetubejr24]

What subs go into single digits? Really good ones go down to 16hz and that’s the best I’ve seen.

[@COGuyStuff]

Lots of them. Most 18, 21 and 24 with ease. I use PSA.

[@COGuyStuff]

The trick is, look to sealed. Many ported will do it to, but it completely depends on proper room position and loading for them.