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In Reply to: OK ... What's "Better Bass" on a Maggie?? :-)) posted by andyr on March 23, 2007 at 04:41:20:
Low and crisp is how I like it too. But it's rare that both are achieved at the same time especially if high listening levels are demanded from a Maggie. I think a lot of that "crispness" comes from a freedom of upper bass distortons. This kind of distortion is hard to avoid especially when the Magneplanar driver is pushed to near its limits. One approach that has been shown to be successful is by increasing the size of the bass driver. A larger driver doesn't have to move as much to do the same work as a smaller driver. The sonic improvement is obvious to anyone who has compared larger Maggies models with smaller ones. It's boils down to simple physics. Larger Maggie woofers produce lower distortions at bass frequencies. That said, there are practical constraints on how large a driver can be to fit into a typical listening environment.
Follow Ups:
yes ... I guess the 20/20.1 has the solution here, with the mylar sandwiched in between TWO magnet arrays! :-))Regards,
Also the push pull makes the magnetic field much more linear at more extreme displacements.
The push-pull driver is a very effective way to achieve greater dynamics while keeping the single panel configuration. The alternative is to use a multiple-panel arrangement (as in the Tympani series). Each has its own pros and cons.
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