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[Michael Lawrence]

It's such a basic function, any DSP that can't get even this right isn't something I'd use.

You may find it surprising that there is no polarity control anywhere in the d&b audiotechnik ecosystem despite the fact that they are one of the market leaders in loudspeaker systems. 
I spec a GALAXY in front of everything so I am not stuck without any of the basics. (Some other leading manufacturers omit high pass / low pass / shelving filters)

[Jose Peralta]

I know the dbx VENUE 360 has all these feature in their interface control, polarity inversion, phase, and delay.

[Mike Caldwell]

If the system is properly time/phase aligned, a polarity reverse should result in a deep notch at the acoustic crossover when the mains and tops are equidistant and tested near field.

Also can be used as trick for finding driver delay settings.

[John Schalk]

I know the dbx VENUE 360 has all these feature in their interface control, polarity inversion, phase, and delay.

Yes, and I think it's the only single space driverack unit that has polarity and enough PEQ filters to allow you to really tune a speaker system.  I tried using a PA+ unit last year to implement EAW's recommended DSP settings for bi-amping the JF260z, which requires a polarity change on one output, and found out about the limitations of that MI level piece of gear.  It also doesn't have enough PEQ horsepower to handle EAW's not very complex suggested DSP settings for the 260z.  The main and matrix outputs of an X/M 32 have more DSP processing capability than a Driverack PA.

[Tim McCulloch]

You may find it surprising that there is no polarity control anywhere in the d&b audiotechnik ecosystem despite the fact that they are one of the market leaders in loudspeaker systems. 
I spec a GALAXY in front of everything so I am not stuck without any of the basics. (Some other leading manufacturers omit high pass / low pass / shelving filters)

This.  l'Acoustics, I'm calling your name here.

I'm now SE for a K3 installation.  I'd take some common system tools like the filters Michael mentions over the "zoom" feature.  I don't care about making the K3 array sound like vDosc at 30 meteres or other silliness.  I want the rig to sound good in the room, not sound like a different rig in another space.

As I'm new-ish to this product, I presume things I don't like are a result of my errors or lack of familiarity, but that only goes so far when the tools and techniques I use are not available to me.  I really, really wish this client had consulted me before making the commitment to the design they purchased.

[Jose Peralta]

Yes, and I think it's the only single space driverack unit that has polarity and enough PEQ filters to allow you to really tune a speaker system. 

John, thank you for the response. That is what I am looking for in a loudspeaker management system that you are able to control for convenience.

[ProSoundWeb Community]