When Dr. David Robinson reached out to me mid-year 2025 with a review opportunity for a pair of SVS Ultra Evolution Tower loudspeakers, my curiosity was truly piqued. Yes, SVS Sound are beyond doubt the high-performance subwoofer gurus, but their explorations into full-range loudspeakers were largely unknown to me. However, a quick peek at their Ultra Evolution Towers online revealed them to be very substantial loudspeakers, with impressive specifications that suggested they might offer excellent performance in a high-end environment. I welcomed the opportunity to evaluate them, but several months passed with no news of their pending arrival date.
In August, I attended Audio Advice Live in Raleigh, North Carolina, and as it turned out, SVS was exhibiting there—maybe a pair of Ultra Evolution Towers would be available for an audition! Unfortunately, that proved not to be the case, but at least I was able to place a bug in the ear of SVS's rep Eli Trinkle, who assured me he'd touch base with VP Nicholas Brown regarding the status of my review pair. An email from Nicholas appeared in my inbox in fairly short order, and a piano gloss black pair of Ultra Evolution Towers then arrived at my home in South Carolina a little over a week later.
A closer look at SVS's Ultra Evolution Towers
Ultra Evolution Towers are the most diminutive of three floorstanding loudspeaker models in SVS's flagship Ultra Evolution line, which despite an obvious heavy focus on use in home theater installations, also seem to possess the wherewithal to excel in high-end audio setups. Even as the "baby" Ultra Evolution floorstanders, they boast significant heft, weighing about 70 lbs boxed (each) and 60 lbs unboxed—Sherpaing them to my upstairs listening environment proved quite the workout! Especially considering that one of the cartons had come unbound during shipping, and needed to be re-taped (as a precaution) prior to being dragged upstairs. Unboxed, they're tallish at close to four-feet in height, and are just over 8.5 inches wide, and nearly 17 inches deep. Stock elastomer feet are attached at the factory, but substantial spikes are also provided, which was definitely the better choice in my carpeted listening environment.
The Ultra Evolution Towers have unusually shaped cabinets designed to provide acoustically centered time alignment, and as such—considering their tallish height and relatively narrow side profile—tend to be a bit top-heavy and somewhat unwieldy. I only nearly knocked one of them over once, which would have been disastrous, and could easily have taken out my PrimaLuna tube amplifier, whose complement of RAY tubes cost more than the cost of each SVS loudspeaker! Not to mention the potential damage to the amplifier itself, as well as likely seriously damaging the piano gloss finish of that particular Tower. Switching to spikes from the stock elastomer feet significantly enhanced their stability and allowed me to level them perfectly.
Each SVS Tower features a complement of seven drivers, beginning with a vapor deposited, diamond-coated, one-inch aluminum dome tweeter. A pair of 4.5-inch glass-fiber composite midrange drivers flank the tweeter from above and below; they feature vented Kapton voice coil formers for excellent dynamics and transient response. Finally, each Tower features a quad of 5.25-inch glass-fiber composite woofers that sport high-output, long-stroke motors. They're aligned within the cabinets in what SVS calls a "force balanced array," with the front-and-rear firing woofers acting to eliminate mechanical coloration. Low frequency extension is aided by a pair of 2.5-inch, wide-flare rear-firing ports; both woofer and midrange drivers employ precision cast aluminum baskets for enhanced stability and improved thermal dissipation. Overall frequency response for the SVS Towers is stated as 30Hz - 40kHz (+/- 3dB), nominal impedance is listed as 6 ohms, and sensitivity is 87dB for a 2.83V input@1 meter. The Ultra Evolution Towers are fairly unfussy with regard to amplification, and are rated for a range of 20-300 watts per channel. I used my PrimaLuna EVO 300 tube integrated (50 wpc, KT88 RAY Reserve power tubes) and my German-made Naiu Labs Ella integrated (250 wpc/8 ohms, 500 wpc/4 ohms, 1 kwpc/2 ohms) to drive the SVS Towers, both with excellent results.
Dual sets of five-way binding posts allow for bi-wiring or bi-amplification if desired by the end user. Stylish magnetic grills were included, but in my usual fashion, all my listening throughout the evaluation period was done with the grills removed. While my review pair were shipped in the piano gloss black finish, the SVS Ultra Evolution Towers are also available in piano gloss white or real black oak veneer finish options.
Both Ultra Evolution Towers were packed well, and suffered no damage in shipping; inspecting them afterwards revealed their overall fit-and-finish to be on par with the best loudspeakers available. SVS Sound is located in Youngstown, Ohio; all research and development takes place there, but most of their product line is manufactured in China, which is not unusual in this day and age. Much of my current equipment stack (loudspeakers, subs, DAC, music server, and disc players) is also made in China or the Far East, and I have years of experience with a variety of gear—much of it with high-end pretensions—from a multitude of Far East manufacturers. That point of origin is definitely not a negative in my current world view of high end audio.
Setup and listening results
If you click on my name in the header above, you can see the full contents of my audio system. Unpacking the Ultra Evolution Towers was a bit labor-intensive, because of their relative heft, and moving them about the room was a bit of a chore. I'll take heft over flyweight any day, so that was an acceptable tradeoff for me. My room is set up in a long-wall orientation, with the loudspeakers situated about 11 feet apart, roughly 4 feet from the wall behind them, and they're situated about 4.5 feet from the side walls. My listening position is triangulated to the Towers' acoustic centers, and I have them toed-in, but not so much that the tweeters are pointed directly at my ears. I've been slowly tweaking this room for some time now, and have achieved a setup that works perfectly for stereo listening. GIK acoustic panels on the wall behind and between the loudspeakers enhance the center image specificity, and GIK bass traps in the room corners behind them keep the bass more well-controlled. Corning acoustic panels are scattered at intervals around the room and are also hung in the upper corner junctures between the walls and the ceiling—the room offers probably the best acoustics I've ever experienced in my home listening environment.
The SVS Towers ran full-range and in tandem with the stacked quad of Vera-Fi Audio Caldera subs, which push the bass response down into the next octave. While the Towers initially sounded pretty good out of the box, critical listening quickly revealed that they'd benefit from some serious break-in. A pair of Klipsch Heresy IV loudspeakers had also arrived for review within days of the SVS Towers, so I alternated regularly between the two speaker pairs for the next couple of months. By late October, the SVS Ultra Evolution Towers had hundreds of hours on them, fairly evenly split between tube and solid-state amplification, which didn't seem to make much of a difference in my impression of their aural characteristics. Which, by this point, were more in line with my expectations, but nagging issues with their sound still persisted. It seemed as though whenever I pushed them with anything relatively bass-heavy, the bass drivers would distort—though just enough to annoy me. And this was at fairly normal listening levels.
Here's when the miracle happened: while at Audio Advice Live in August, I'd also experienced an eye-opening demonstration of IsoAcoustics new GAIA Neo isolators. And IsoAcoustics kindly agreed to send complete sets of GAIA Neos and Aperta Sub isolators to me for evaluation. Right at this point in the evaluation of the SVS Towers, the IsoAcoustics isolators arrived; a four-pack of GAIA Neo II's were attached to each SVS Tower, and a pair of the Aperta Sub isolators were placed underneath each stack of subwoofers. The resulting transformation of the sound I now heard from the Towers was revelatory; you can read my evaluation of the IsoAcoustics GAIA Neo and Aperta Sub devices HERE.¹ And the SVS Towers that were seemingly incapable of satisfying me, suddenly never failed to impress, and at any volume level!
Music choices
TOOL's "Chocolate Chip Trip" from their album Fear Inoculum is essentially an extended drum solo, and it's a great track to gauge any system's low-bass capabilities. Of course, you have to give credit to the quad of Vera-Fi subs for their share of the heavy lifting, but through the SVS Towers, this very dynamic track absolutely rocked the room like never before! The stereo spread was incredible, and Danny Carey's drum kit was delivered with the kind of you-are-there realism that felt as though the house was about to collapse around us! The Towers plowed through this high-octane music without so much as a hiccup—I couldn't believe their smallish complement of bass drivers were actually up to the task. A guest who was present for this demo sat there violently shaking his head, and all he could get out at the track's conclusion was "damn, man!"
I recently picked up a Japanese SHM CD copy of prog supergroup UK's eponymous debut. UK is perhaps one of prog's finest moments, and the superb interplay between guitarist Allan Holdsworth, bassist and vocalist John Wetton, multi-instrumentalist Eddie Jobson, and drummer extraordinaire Bill Bruford captures a moment in time of unparalleled brilliance. The SHM disc presents the best digital version of this album I've ever heard, and as the tracks "Alaska" and "Time To Kill" segue into each other, they'll dynamically challenge most any high-end loudspeaker. Across the Ultra Evolution Towers, Eddie Jobson's massively layered synths introduce "Alaska" with the kind of propulsive power that transformed my room into a landing zone for an alien spacecraft! The rhythm section of Bruford and Wetton provided a pounding, driving foundation where you could visualize drywall nails popping out of the walls, while Allan Holdsworth's unrestrained soloing left me slack-jawed! Played at reference levels, this powerful music shook my listening room mightily, and the Ultra Evolution Towers never flinched.
A surprisingly good track for system evaluation with an emphasis on low-bass output is Elton John's "Madman Across the Water" played from the SACD of the same name. Through the SVS Towers, as acoustic guitars to the left and right open the track, Elton's voice emerges with perfect liquidity and presence from the center, and as the song slowly builds to its orchestral crescendo, the quad of small woofers in each Tower and the quad of subwoofers are working overtime. This is another "shake the whole house" tune that has blown me away with its ultra-impressive transients, and the SVS Towers didn't miss a beat here!
Another track that's become one of my go-to "torture tests" of sorts is "I'll Be Seeing You" from Rickie Lee Jones' hip and quirky covers album, Pop Pop. Jazz great and bassist Charlie Haden plays on this track (and throughout the album), and his acoustic bass is delivered with startlingly deep realism, and the intense level of bass on the recording is such that just about any loudspeaker in my experience will distort when playing this track. I normally listen somewhere typically around 80-or-so decibels, but of course, it's always a temptation to goose the volume on select tracks—like this one. Rickie Lee's voice is perfectly captured here, and I typically set the volume such that her voice sounds as though she's live and in the room, which can be a problem for many loudspeakers, especially when Charlie Haden starts plucking his upright bass. The SVS Towers sailed right through this demanding track at reference levels; I've heard this tune a zillion times, and it's always a rush when the loudspeaker can handle the bass line.
I'm amazed by how acoustic instruments will cause a loudspeaker to distort much more quickly than electronic ones. That becomes really obvious when you play albums from groups like Yello, Depeche Mode, or Dead Can Dance across the SVS Towers. Yello's Stella will rock the house; the same can be said for Depeche Mode's Music for the Masses, and Dead Can Dance's Spiritchaser. Whether it's "Vicious Games" from Stella, "Behind the Wheel" from Music for the Masses, or "Indus" from Spiritchaser, the SVS Towers in combination with the quad of subs will pound your brain into mush, and your neighbors might even be tempted to call the police. The SVS Towers just kept coming, begging me to crank that volume knob another click!
I don't want to create the impression that the SVS Ultra Evolution Towers are "one-note" loudspeakers, simply designed to impress, but with any music I played across them, they delivered the truth. With superb imaging, impressive dynamics, a surprisingly liquid midrange and treble presentation, and an uncanny recreation of the recorded acoustic. Of course, their ability to handle music with tremendous dynamics is built into their DNA as home theater loudspeakers, and I imagine they can easily reproduce the bombast and explosions of movies with ease.
Final thoughts
After only two months with the SVS Towers, I came within an eyelash of returning them to the manufacturer and declining the evaluation. The arrival of the IsoAcoustic GAIA Neo II's changed that quickly, but I don't want to hold SVS to account because of that situation, which could very likely be room-specific to my listening environment. I've had dedicated listening rooms with both wooden and concrete floors, and walls and ceilings constructed from various materials. They each have their own unique set of acoustical problems, and control of floor and airborne vibrations is essential to perfect performance from a range of audio equipment—especially loudspeakers and subs. Decoupling the SVS Towers and subwoofers from the room solved everything, and allowed them to perform at their maximum potential.
At their price point, the SVS Ultra Evolution Towers are shockingly good loudspeakers; I've gotten incredibly comfortable with their capabilities throughout the evaluation period, and as they've continued to get additional break-in, their sound quality and musicality has also improved exponentially. The vast majority of the music I typically listen to on any given day—which is often folk, classic acoustic jazz, vocals, or even classical or chamber music—is presented with the kind of lyricism, musicality, and you-are-there realism I definitely look for from a high-end audio loudspeaker. The SVS Towers deliver sound that satisfies all of my musical tastes.
I copied the following from SVS's website: "Ultra Evolution is a complete reimagining of speaker design for SVS. This unprecedented marriage of acoustic design breakthroughs and passion for audio excellence has never existed and elevates the new series into the echelon of the finest loudspeakers in the world. Consisting of seven new models with advancements in driver design, cabinet architecture, and component materials, Ultra Evolution ushers in a new era of reference quality sound that transcends their class." While I might originally have felt that much of that statement was more or less hyperbole, after having spent many months with the SVS Ultra Evolution Towers, I definitely find myself in agreement with the conclusion: their reference quality of sound transcends their class. Most definitely.
The SVS Ultra Evolution Towers blended seamlessly with the quad of Vera-Fi subwoofers, and virtually disappeared from the soundfield during playback. That's no small feat for any loudspeaker, and some of the highest praise I can give in any evaluation. When a loudspeaker doesn't call any attention to itself, you can't really ask for much more than that, and there's nothing between you and the music. Many thanks to Gary Yacoubian, Nicholas Brown, and Eli Trinkle for their assistance in making this review possible. I can't recommend the SVS Ultra Evolution Towers highly enough, especially at their very attractive price point!
Ultra Evolution Tower Loudspeakers
Retail: $1499.99 (each)
SVS Sound
All images courtesy of SVS Sound and the author.
¹ For absolute clarity, there are any number of variables at play in room acoustics, including the proliferation of vibrations and microvibrations, and far be it from me to imply that the performance of the SVS Towers were substandard in any aspect. But this much is factual and clear to me from my continued listening: when the Towers and Vera-Fi subwoofers were decoupled from the room by the IsoAcoustic GAIA Neo II's and Aperta sub devices, the performance and sound quality of both very quickly snapped into total focus. I use a variety of resonance and microvibration control devices underneath all amplifiers, preamps, and source equipment in my system, and I'm a huge believer that vibration control gets you closer to the music.
