Magico Ultimate II Horn Loudspeaker: Following a Dream

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Magico Ultimate II Horn
Magico Ultimate II Horn Loudspeaker: Following a Dream

I recently had the chance to visit Alon Wolf at Magico to listen to the Ultimate II horn speakers ($395,000—that’s not a typo). You may recall this speaker because Jacob Heilbrunn listened to the same setup and commented briefly on it a few months back on AVguide.com. Several years ago, Robert Harley covered the Ultimate I in The Absolute Sound (the Ultimate II is a significantly revised production version of the I, which was basically a one-off handmade effort).

Since I’ve been periodically blogging on our Web site about horns, this trip was particularly interesting. Magico has a reputation for building some of the finest conventional cone/box speakers currently available. When its top-of-the-line speaker is a horn, you sense further confirmation that horns are not your father’s loudspeaker technology. But are they really something special or is Alon Wolf a cynic who simply builds expensive stuff because a few fools will pay for it? Those practicing experience-free living will already know their answer. The rest of you will want to read on.

The idea behind the Ultimate II is pretty simple: Build a technically correct, cost-no-object horn speaker that fits into medium-sized or larger rooms. Sounds simple, but a few hours with Alon makes it clear that his version of “technically correct” isn’t a casual statement. Alon focuses on the science of loudspeakers and puts a lot of emphasis on thinking through the fundamental issues. He’s the kind of guy who took the mention of “first principles” seriously in science classes.

In any event, Alon points out a key problem with horns: You either have to build a very large midbass/lower midrange horn (because you can’t change the wavelengths of sounds) or your woofer has to extend up to rather high frequencies. The former means you actually have a speaker that is mostly horn-loaded, which is the straightforward way to have sonic continuity across most of the spectrum. The latter allows you to build a less expensive system, but also means that you have cone drivers handling a larger part of the spectrum with some inevitable discontinuity (or a discontinuity in a different place). Since the Ultimate II is a cost-no-object design, Magico has designed and built a necessarily large and very costly midbass horn that works down to 100Hz. (This is the black horn at the top of the trapezoidally-shaped speaker shown in the pictures.)

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