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I was thinking of getting the Sound Anchor Stands for my MMGs. I have heard that they reduce bass. I sure don't need that. What about if I position them on the stands five inches not eight. Gerald.
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This is all relative to my room/layout, so please keep it in mind.On the floor, my MMGs do great bass down to 43hz (and slightly lower at -6db). Up from there, there is that typical hump to around 90hz or so that is really strong, like many Maggies. When well tuned to the room, most music does not require a subwoofer. In fact, I hardly ever turn mine on.
Enter my on/off experiments with the "wingies". Look up the "wings" in tweaks. While full wings are intended to boost bass, my goal with the wingies is to increase ONLY upper bass/low mids in 100-250hz region. The wingies are just a section of a full wing. Say, 16"x22". I am still tuning them but they already give me some of what I wanted.
Problem for me: the wingies still boost the lower bass. More than I need or want. Solution: raise the MMGs to bleed off some of the boost.
I tried 3" and now 5". The 3" was too little but if the wingies are taken off, bass is clearly weaker than on the floor. At 5" without the wingies it is even worse. At both heights, I start wishing for the subwoofer to be on (if the wingies are off).
Here's another thing to keep in mind when raising MMGs while standing straight. Glare & over brightness.
Never ever, while on the floor and standing straight, did I worry about frequency response peaks in the treble. Nor could I measure any. As soon as I started raising them 3" or more I began to get unwanted peaks that become bothersome with some music. In fact, this is the only unresolved issue right now. If I can fix it, the wingies will become permanent. If not, the MMGs go back to the floor.
Like Josh mentioned, experiment first before making the investment on the stands.
Edits: 02/19/12 02/19/12
have a measured hump at 55-65Hz - after minimal break-in <100 Hrs.
Three most important things in Audio reproduction: Keep the noise levels low, the power high and the room diffuse.
I've never measured the newer models. Mine are so old that the Ice Age movies could have featured them, and surprised no one.
Their hump, as I recall without the benefit of the charts, tapers off around 90hz, maybe a lttle higher. Their peak is probably at 10db+ or more. However, this is not what one hears. A cone speaker with this kind of peak would be annoying. OTOH, the MMGs somehow even it out quite a bit at perception time. Dipole behavior, I suppose.
I'd be curious to see if aging actually increases the span and/or peak in yours. Mine were already old when I bought them. Also, the wire layout & the mid/bass panel area is not quite the same as in the more modern revision.
The newer ones added two more tweeter runs, perhaps at the expense of the space for the mid/bass. They seem to have made up for it with the wiring. One of these days Josh is finally going to disrobe his MMGs and do a proper count for us : - ))
I've tried them at both heights and you lose bass either way. Frankly, I think it's worth it to get them up and vertical even without a sub -- the improvement is that significant. But I suspect I'm a minority of one on this.
Another way to look at it is that the MMG's need subs either way.
Anyway, what I suggest is that you get some books and boxes and try raising them. You'll know soon enough if it's something you can live with.
Bass tightening compared to woolly is my guess, at least based on my experience on ET LFT-8s. But MMGs could be a whole different scenario as they are bass deficient ergo they might need the overhang.
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