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RE: Using REW with Maggies

Posted by Barry (A) on October 10, 2015 at 19:58:35

In Reply to: RE: Using REW with Maggies posted by josh358 on October 10, 2015 at 16:01:05:

As you know, Siegfried Linkwitz commented on your first point regarding inaccuracies of nearfield measurements of planar speakers in the original Stereophile review of the Magnepan 3.6s.

You have an interesting theoretical idea, but I think the key, as you said, is measurements at the listening position. Everybody has their own preferences, but I don't find the 3.6's on-axis to yield the best sonic results, especially if you can use room treatment and get the speakers far enough away from the front wall (68" is the minimum distance for a 10mS delay of direct to reflected sound).

My measurements were with tweets in and both speakers toed-in only 3.25", not pointed at the listener. It helps the speakers disappear, provides a big sound stage, and gives the ideal amount of high frequency roll off to sound natural. To get a solid centered image with this placement, you must place absorption some distance symmetrically behind, and somewhat to the outside of the panels. This absorbs some of the increase in reflected sound. Again, I'm sure others have their own approach, but this measures well and sounds great.

For a great airy, coherent soundstage, get both speakers the same exact distance to the listening position (get within 1/10" with a laser distance meter). You can actually hear perfectly timed reverberation from the sounds coming from one channel in the other speaker.

Edits: 10/10/15

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