Full expert review and laboratory test of the Triangle Esprit Titus EZ Speakers by Australian Hi-Fi Magazine.
 
The following review consists of a full subjective evaluation of the Triangle Esprit Titus EZ Speakers written by Jutta Dziwnik, as published in Australian Hi-Fi Magazine, November/December 2015. At the end of the review is a link to a complete set of independent laboratory tests conducted on the Triangle Esprit Titus EZ speakers by Newport Test Labs and a report about those tests written by Steve Holding. The link also downloads the review exactly as it appeared on the original magazine pages, in pdf format.

If it weren’t for the brand name on the front baffle, it would be very difficult to tell many small two-way loudspeakers apart, since a great many use exactly the same tweeters and bass/midrange drivers, purchased from some faceless manufacturer in China. That’s not the case with France’s Triangle ElectroAcoustique company, whose products are unmistakable due to the use of its proprietary titanium-domed chrome/gold compression driver, which handles the high frequencies in all the company’s designs. Focal manufactures all the drivers used in its loudspeakers, and also manufactures drivers for sale to other manufacturers and to driver wholesalers. Until fairly recently all these drivers were made entirely in France, but recently the company established driver and cabinet manufacturing facilities in China so now only Triangle’s premium lines, the Magellan and Signature ranges are made entirely in France.

The Equipment

Over the 35 years Triangle has been building speakers in its factory in Soissons in Villeneuve-Saint-Germain, France (‘the cradle of the kings of France’ is the company’s proud boast for the region it calls home) it has been gradually improving its compression horn tweeters, such that the Esprit Titus EZ reviewed here sports the latest incarnation of one, the TZ2510. The horn of the TZ2510 has a new profile and an improved phase plug that improves dispersion at high frequencies. The magnet is still high-tech neodymium, and there’s still an absorption chamber behind the 25mm titanium dome to prevent the propagation of sound from its rear reflecting an interfering with the dome’s performance, á la B&W’s Nautilus project, but the chamber has undergone a recent re-design as the result of research undertaken during Triangle’s Magellan project.

The bass/midrange driver in the Titus EZ is also a new design for Triangle. I measured the overall diameter of the bass/midrange driver at 153mm and the Thiele/Small diameter at 107mm, which put the Sd at 90cm². The white cellulose pulp cone’s profile has been changed to extend its frequency response further up into the treble, while to extend the response more deeply into the bass the company is now using a half-roll suspension made of a combination of foam and treated rubber, rather than a single-formula preparation. The company’s ability to improve its drivers is in part made possible by its use of laser measurement equipment developed by German Professor Wolfgang Klippel, combined with the ability to make custom one-off prototypes very rapidly by using its own in-house industrial 3D printer. (The company recently established a new research facility in Bordeaux to complement its facilities in Soissons and in China.)

Internal cabling from the crossover to the drivers is very heavy-duty Figure-8 branded with Triangle’s own name and is soldered at both the crossover network ends and to the drivers, though the wires attached to the rear of the terminal plate are attached using spade lugs. In addition to its essential filtering duties, the crossover network also includes a positive temperature co-efficient (PTC) resistor (a.k.a. a ‘thermistor’ or ‘Protec, or PTC) to protect the tweeter against being overdriven. The process by which this protection operates is that if the electrical current passing through the high-pass section of the crossover (and thus going to the tweeter’s voice-coil) gets too high, the temperature of the thermistor increases, which in turn increases its resistance and reduces the voltage available at the tweeter, preventing it from being overdriven (though simultaneously reducing the output of the tweeter, resulting in a temporary reduction in high frequencies). Once the current is reduced to safe levels, the thermistor cools down, its resistance returns to normal, and the full voltage is restored to the input terminals of the tweeter.

I’d never seen the terminals used on the Titus EZ before, and it turns out that this was because they’re made by Triangle itself, for use exclusively on its speakers. They have an aluminium-coloured exterior coating, but the underlying metal is high-quality copper alloy and the terminals are fixed to a section of aluminium alloy that’s attached to the rear baffle—no plastic mouldings here! The two terminals are multi-way, accepting cable with a diameter of up to 5mm as well as banana plugs and spade lugs. Because there are only two terminals (so you can’t independently access the individual drivers), and the terminals aren’t recessed, there is plenty of room on the terminal plate and the terminals are easy to turn and tighten onto bare wire or onto spade lugs.

Above the terminal plate is a bass reflex port that’s 45mm long and 38mm wide. It’s a two-stage design, where the outer section is made of plastic and has a flared exit, while the inner section is made of paper pulp and is press-fitted and glued around the plastic section, resulting in a small (2mm) step part-way along the port. The inner entrance of the port is not flared.

The cabinet of the Esprit Titus EZ’s cabinet I was loaned for this review was finished in a stunning gloss white (applied over 19mm MDF) and measured 167mm wide, 257mm deep (add 35mm for the grille and the rear terminals) and 306mm high. This is one of Triangle’s two premium finishes (the other is gloss black), both of which attract a $300 premium over the standard finish, which is Walnut and retails for $1,399 per pair in Australia. I’ve only ever seen photographs of the Walnut finish, but even so, I’d personally spring the extra dosh for the gloss white finish. (I confess to being not so keen on gloss black because of my lack of enthusiasm for house-cleaning… gloss black finishes are just too difficult to keep looking sparkling clean!)

The speaker grilles attach via magnetic force and use white cloth over an MDF frame. The only cosmetic anomaly I noted when I attached the grilles was that the cabinets are so stunningly white that they make the white cloth-covered grilles look a bit grey-ish by comparison. Still, given the superb appearance of the compression tweeter and the clean appearance of the front baffle without the grilles fitted, I reckon the speakers looked better without them, so I didn’t use them at all.

In Use and Listening Sessions

When it came to placing the Esprit Titus EZs on my stands, I was a bit surprised to find that Triangle hadn’t fitted screw fittings to the bases of the speakers, so you won’t be able to use spikes to anchor them and will instead have to use the adhesive-backed rubber feet Triangle supplies or use Blu-tac. Since I actually prefer using Blu-tac over using spikes (for both sonic and sartorial reasons), this suited me just fine.

I placed the speakers on their stands so that the Titus EZ’s horn-loaded tweeters were at ear level and angled the speakers so they converged at the listening position, rather than faced directly up the room. I personally find that all circular horn-loaded designs sound better to me with this alignment. If you don’t do this, I find that the sound isn’t quite so ‘sweet.’ It’s not a loss of volume as such, just a subtle loss of high-frequency definition. The point here is that it really is a subtle effect, so try multiple speaker angles until you find the one that works best for you. (And if you can’t hear a difference in your room, I’d suggest the default position of lining up the backs of the speakers so they’re parallel with the rear wall and ‘fire’ straight up the room.)

The very first CD I played through the Esprit Titus EZs had me excited from the outset. That CD was a fave of mine at the moment, but it just sounded so fabulous through the Titus EZs. That CD is Frazey Ford’s ‘Indian Oceans’ and it kicks off with September Fields, which is just a perfectly-paced, perfectly-spaced piece of music which has everything: B3 Hammond flourishes, obligato vocals, funky guitar… you name it. And underlying everything are the incredibly soulful tones of  Canadian singer-songwriter Frazey Obadiah Ford (don’t ask!) whose voice is so tailor-made for soul that I can’t imagine how she ever became one of the founding members of folk outfit The Be Good Tanyas. Listen to September Fields (or any of the tracks on the Indian Oceans, actually) and you’ll be mesmerised by the clarity of the midrange sound, which is perfectly balanced—not forward, not recessed—and has a clarity that’s almost ethereal, but overall a sound so natural you may not believe what you’re hearing. No doubt some of this is due to the recording, which was apparently ‘old school’ using classic microphones and equipment, but I have to credit the Triangle Titus EZs as delivering exactly what was recorded in that studio. The stereo staging and imaging of the Triangles was outstanding, as was the depth of the image. In other words, real ‘close your eyes and you’re there’ delivery, and the work of The Hi Rhythm Section (with Charles Hodges on organ, Leroy Hodges on bass) and the late Teenie Hodges on guitar) is seamless, as if they’re the one person playing three different instruments simultaneously. Buy this album, but don’t start listening to it until it’s really late at night, and everything’s quiet, and maybe you’re feeling mellow. Put in on, lie back and prepare to have the musical experience of your life… even if you’re not lucky enough to be listening to Triangle’s Titus EZs at the time.

My listening session then transferred from one Canadian singer-songwriter to another, because next up was Joni Mitchell’s ‘Blue’ (I didn’t play it because of Ford—I’d pulled out all Mitchell’s albums when I read in the newspaper that she’d had an aneurism, and had been working my way through all of them.) I’ve had a love/hate relationship with Ms Mitchell for decades, because sometimes she was speaking directly to me (‘Both Sides Now’) yet at other times I didn’t even understand what she was saying (‘Hissing of Summer Lawns’), though I have always I found her an unusual and outstanding talent—proved by her albums ‘Blue’, ‘Heijira’, ‘Mingus’, ‘Court and Spark’, ‘For the Roses’, ‘Clouds’ and, well… pretty much all of them!

Although she’s now completely lost her voice (years of smoking will do that to you) her voice still sounds particularly clean and powerful on ‘Blue’ and the piano sound is so natural (there’s that ‘natural’ again… the Triangle Titus EZs are so good at realising an instrument’s natural sound), plus there are the unmistakable sonic contributions from James Taylor (their breakup is said to have inspired the album), not to mention those from Stephen Stills and Sneaky Pete Kleinow Luper, but above all Mitchell herself on guitar, piano and dulcimer (just listen to it on this early version of A Case of You, one of the greatest songs ever written and, yes, that’s Taylor on backing guitar… he has such a signature sound). Mitchell is also the only person I’ve ever heard who could sell her song The Last Time I Saw Richard… just listen to her amazing phrasing and intonation.

I realised I was favouring the 49th parallel when Leonard Cohen became the third musician whose music issued forth from the Titus EZs, and these little Triangles again surprised me by nailing his deep, gravelly voice to perfection, yet also maintained a sense of there being additional bass power in reserve, so I was never on tenterhooks thinking that perhaps there’d be moments when they couldn’t keep up. And it wasn’t just the voices of Ford, Mitchell and Cohen that the Triangles made sound so realistic: their performance with all the vocalists I tried was so good that I even reincarnated Minnie Riperton’s most famous hit, Loving You, (from her album ‘Perfect Angel’) with that incredibly high vocal. (Yes, I know Maria Carey sings higher notes on her current albums, but I prefer listening to Riperton, particularly her debut album, ‘Come to my Garden’, which is the one you should buy if you want to hear her at her best. It was recorded only nine years before her tragically death, at age 31. And if you think the CD sounds like vinyl, you’d be right: the master tapes were lost, so all the CDs were made by playing vinyl.)

It was only when I started playing my all-time favourite version of Beethoven’s 5th symphony (Carlos Kleiber and the Vienna Philharmonic Orchestra on DG) at what I’d say was a fairly realistic (read LOUD!) volume that I identified a chink in the Titus EZ’s armour: a softening of the high-frequencies when playing at very high volume levels for extended periods of time. Self-evidently, this was the thermistor doing its thing to protect the tweeter. Although this wasn’t unexpected, I was still surprised that the audible effect was not nearly as much as I’d imagined: unless you were intimately familiar with the work, you might not realise that the highs had been rolled off. Backing off on the volume control allowed the thermistor to cool off and restored the balance of the high frequencies. Intrigued, I tried to trigger the protection playing the Rolling Stones’ ‘Forty Licks’ compilation album (a favourite because it contains most of my favourite Stones tracks) and found it didn’t trigger when playing at the same loudness levels I’d used when played the 5th. So it appears that whether the protection triggers at all depends not only how loudly you play the system, and how long you play at loud levels, but also on what’s actually playing.

It transpired that this was the sole chink in the Triangle’s Titus EZ’s armour (if you don’t count the elephant in the room, being that because they’re such a small speakers, the deepest bass levels are rather subdued) because I otherwise couldn’t fault their sound.

Conclusion

Triangle’s Titus EZs are superb-sounding speakers. They’ll perform best on speaker stands, which will add a few bucks to the asking price unless you already own a suitably-sized pair, but even if you use them on a bookshelf or wall-mount them, they’ll still outperform any other similarly-priced small speakers I’ve ever heard, which also makes them outstanding value for money into the bargain. # Jutta Dziwnik

 

Readers interested in a full technical appraisal of the performance of the Triangle Esprit Titus EZ Loudspeakers should  read the LABORATORY REPORT HERE  that has  frequency response and impedance graphs, sensitivity tests and an analysis of the results of those tests. The laboratory report is also included at the end of the full review, in pdf format, which can be obtained by clicking on the graphic below. 

 
POSTCRIPT: If you intend to use a subwoofer in conjunction with Triangle Esprit Titus loudspeakers, you will need to ensure correct integration of the subwoofer's output with that of the Triangles by setting the subwoofer's volume, phase and crossover frequency controls correctly. You can read an article on a simple, effective method of how to do that HERE.