Planar Speaker Asylum

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RE: Don't believe everything you hear

Posted by Stroemberg on November 26, 2022 at 12:45:23:
I have 3.7i. I also have one DWM. The DWM is placed directly to the edge of the left 3.7, with no space between them. Much lowered bass roll-off!
The membranes themselves appear to go way below 35/40 Hz, but that is normally not possible to hear. I discovered that with my arrangement.
Now, with partly increased frontal area, cancellation occurs at a lower frequency and lower frequencies are percieved at my listening position.
When DWM and 3.7 are separated, the only effect is more membrane area (=slightly rised efficiency in bass) but the same bass-roll-of as without DWM.
PS
I strongly recommend a pair of coils to get rid of the higher frequencies from the DWM. Otherwise the sound will become contaminated and way too opaque.