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Integrating DWM with software

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Posted on June 28, 2023 at 03:54:52
dclamb2
Audiophile

Posts: 45
Joined: April 16, 2014
 Has anyone used REW to integrate a DWM with main speakers? I looked at the acoustic timing using the main speaker as a reference and it shows the DWM is arriving 4ms prior to mains. This is with the DWM set 1 ft closer to listening position as recommended in manual.

I'm just curious if anyone else has looked into this.

 

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RE: Integrating DWM with software, posted on June 28, 2023 at 06:14:29
MarcL
Audiophile

Posts: 479
Location: PA
Joined: February 26, 2019
 Yes! I have a DWM for each of my 3.7 speakers. I split the L/R channels and send one side to the 3.7 and the other to a miniDSP that feeds the L/R DWMs. I first experimented with positioning each DWM for the best response along with its 3.7. Then I used REW's Alignment Tool to adjust the delay of each DWM to optimize the response, with the main goal being to eliminate room-related cancelations in the range 80-180Hz.

The positions of the two DWMs were not identical, nor were the delays. I attribute this to the fact that each 3.7 has its tie-down points positioned so the two speakers have resonances at different frequencies. So the DWM integration was slightly different for each.

The result works very well and also allows for independent level control for the DWMs since they're powered by a separate stereo amp. I also have a high pass filter at 45Hz to be sure they don't see anything lower than that.


Agilist, Musician, Photographer, Audiophile
7.1.4 Magneplanar: 3.7, CCR, LRS, MC1(4), DWM(2); Emotiva B1+; GR Research OB Dipole Subs (2x3); Emotiva XMC-2; Nord One NC500DM; Nord Three 1ET7040SA; VTV NC502MP; Crown XLi800;OPPO 205

 

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