Planar Speaker Asylum

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RE: DMW

Posted by zulugone on March 12, 2017 at 18:12:57:

I don't want to reorganize my room to repeat my DWM experiments from years ago but here are a couple of REW sweeps I took today both without any smoothing and with the sub off. The key in the first is the level at 60 db. That shelf drops off at 24 HZ and moving the 1.7s +DWMs around can move that level much higher. The second is just a sweep with the mic as close to the rear wall as I could get it which just illustrates some more extension below 40 HZ. Earlier some one mentioned a 'big German amp' with a 'grip' issue. My little 1.7s +DWMs in parallel run steady just below 2 ohms. Crown amps are unaffected. I also got more extension from the DWM by using DSP to cut them off above 50 HZ.