NHT MS Tower Speaker Reviewed

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NHT MS Tower Speaker Reviewed

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NHT-MS-Tower-thumb.jpgThe new MS Tower demonstrates NHT's remarkable design consistency. It's a modern speaker, complete with Atmos-enabled top drivers; yet, from visual and engineering standpoints, it's quite similar to the Zero, one of the company's first speakers (and, incidentally, the very first speaker I ever wrote about, way back in 1989).

Like that original Zero and most of the other speakers NHT has created, the new Media Series speakers are compact designs built around small midrange/woofers and a one-inch tweeter, housed in enclosures with a nearly square cross-section and little adornment except for a gloss black finish. They exude an elemental visual appeal much like that of a Parsons table. Audio enthusiasts like this design because the narrow enclosures minimize the harmful effects of diffraction--sonic reflections off the corners of the enclosure that interfere with sounds coming from the drivers. (By the way, contrary to popular belief, narrow enclosures don't have less diffraction. What happens is that the corners off which the sound diffracts are closer to the drivers, so interference effects are shifted to higher, less audible frequencies.)

The top speaker in the line is the MS Tower ($699 each), which stands 39 inches high and incorporates three 5.25-inch drivers. It's a three-way design; the bottom two drivers are used as woofers, handling everything below about 500 Hz. The top 5.25-incher is used as a midrange driver and sits right below the one-inch aluminum dome tweeter. There's also a three-inch (although the specs say two-inch) paper-cone driver at the top, mounted at a 20-degree angle. This is the Atmos-enabled driver, designed to bounce sounds off the ceiling, and it has its own set of binding posts above the standard binding posts. Both speaker grilles are magnetically attached with no visible grommets or fasteners, so the speakers look good with or without them.

NHT-MS-Satellite.jpgThe MS Satellite bookshelf speaker ($299 each, shown right) measures 16.6 inches high; it's a two-way design that's more or less the MS Tower without the two lower woofers. The MS Center ($349, shown below) uses the same drivers, arranged in a horizontal configuration with the woofers very close together and the tweeter nestled between and below them.

I'll focus on the MS Towers for this review. I used them as front speakers, and I added the MS Center and two Atmos-enabled MS Satellites as the surrounds. All of these speakers are available through NHT's website, as well as various online and brick-and-mortar dealers.

One note before I dig in: I imagine some might consider NHT's implementation of Dolby's Atmos-enabled technology to be primitive, because many competing speakers use two-way Atmos sections with a separate woofer and tweeter. However, I would argue that a single driver is more consistent with Dolby's original intent. Because a driver's dispersion pattern starts to become directional at the wavelength of sound corresponding to the driver's size, the single three-inch driver will beam sound more tightly--and thus bounce sound off the ceiling more effectively--than a one-inch tweeter can. The driver's cone diameter is 2.5 inches, which means it will start to beam at about 5.4 kHz, whereas a one-inch tweeter starts to beam at about 13.5 kHz.

NHT-MS-Center.jpgThe Hookup
I used the MS Towers and the other Media Series speakers primarily with a Sony STR-ZA5000ES AV receiver, using as subwoofers NHT's own CS 10, the PSB SubSeries 450, and the Rogersound Lab Speedwoofer 10S. I also did stereo listening sessions comparing the MS Towers with my Revel Performa3 F206 speakers, using a Class� CP-800 preamp/DAC, a Class� CA-2300 stereo amp, and an Audio by Van Alstine AVA ABX switcher for blind, level-matched comparisons. I used Wireworld Eclipse 7 interconnect and speaker cables.

I found nothing difficult about the physical part of the system setup, in large part because the speakers are so compact and relatively light, and they have fairly broad, consistent dispersion. I did a lot of listening with the grilles off; however, with some material, I found the sound too bright, so I put the grilles on and left them on. I generally used a crossover point of 80 Hz, but I experimented with other settings, such as 60 Hz for the MS Towers, 110 Hz for the MS Center, etc. More on that in a bit.

Considering the MS Towers are Atmos-enabled, I felt obliged to play an Atmos soundtrack just to "see what the system could do." So I started with the Teenage Mutant Ninja Turtles 3D Blu-ray disc. The "money scene" in this movie is chapter 16, which chronicles the climactic battle between the titular turtles and their nemesis Shredder, including the turtles' efforts to keep a radio tower atop a tall building from falling over. The MS Towers, thanks partly to the Atmos-enabled drivers and partly to the broad horizontal dispersion of the main sections of the speakers, gave me a huge, theater-like sound. Atmos effects, such as the creaking of the tower as it starts to collapse, came through, although more as an ambient effect than an overhead sound. This is what I've experienced with other Atmos-enabled speakers. If you want a strong overhead sound--closer to what you'd hear in an Atmos-equipped commercial cinema--you have to use ceiling speakers.

Back to that big sound. Even when I cranked the film's volume up really loud, the sound from the Media Series speakers remained clear, without apparent distortion. In most ways, the system really did sound like a much larger home theater system, which to me is the real benefit of Atmos-enabled speakers. I also liked the voice reproduction, whether dialogue was coming from the MS Center or the MS Towers. I heard no cupped-hands coloration, no bloating of male (or turtle) voices, and no significant sibilance. I did hear just a subtle amount of treble boost in the dialogue, but it had the effect of making the dialogue a little easier to understand without making it sound unnatural.

The quality of the MS Towers and the other Media Series speakers came through with non-Atmos material, too, such as the Amazon stream of The Hateful Eight. The movie's soundtrack features a wide variety of voice tonalities and accents, along with mock-portentous orchestral swells and gunshots. I loved the way that the MS Center delivered the higher-pitched voices of Jennifer Jason-Leigh and Tim Roth without sibilance or shrillness and the deep voice of Michael Madsen without bloating or booming. The dynamics of the gunshots and the loudest shrieks of the string section didn't faze the system, either.

I used the system for about two months, as my main system for watching movies and TV shows, and I came away with the impression that it's a very good compact system for a media room. In most ways, it sounds like a bigger system, and its ability to reproduce dialogue naturally and clearly proved to be a huge plus.

How did the MS Towers fare with stereo music? Well, it depended on what I was playing.

Simpler music is often a tougher challenge for a speaker. With fewer instruments and voices for your ears to focus on, recordings with just a few elements sometimes reveal tonal colorations and soundstaging/imaging weakness more readily. But the simpler the music got, the more impressive the MS Towers sounded with it. A great example is the classic "Ulili E" from the CD Gabby Pahinui and the Sons of Hawaii. The recording includes just two voices (Pahinui and bandmate Eddie Kamae), ukulele, smatterings of steel guitar, and slack key guitar providing the bass. Like many Hawaiian singers, Pahinui's voice is deep and smooth; many speakers make him sound bloated. The MS Towers, though, sounded just right on this recording, presenting all the instruments with a natural tonality and minimal coloration--despite the second-rate quality of the recording. (The version here is the same recording from a different album.)

Likewise for "Guitarreando" from La Vida Breve by the Hanser-McClellan Guitar Duo. Nylon-string classical guitars of the type used by this duo are a dead giveaway for substandard tweeters; they're supposed to sound clear but not bright, and some speakers make them sound rather zingy. Through the MS Towers, the guitars had a near-perfect tonality and clarity, perhaps just lacking a bit of body resonance. They also gave the recording (which I assume was done with just two microphones) a natural but not exaggerated sense of space.

Wanting to step up to more complex yet still spectrally balanced recording, I played one of my favorite test tracks, Toto's "Rosanna." Here, too, the MS Towers' clear, natural midrange gave the music a welcome clarity and excitement without substantially altering the character of the music--in other words, they did exactly what speakers are supposed to do. The recording exhibited a big soundstage (as it's supposed to) and clear delineation of the numerous instruments and voices in the complex mix.

Click over to Page Two for Measurements, The Downside, Comparison & Competition, and Conclusion...

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