The Devialet Expert range consists of increasingly powerful components housing a preamplifier, power amplifier, DAC, streamer and phono stage in a single and extremely thin slab of solid aluminum with a very luxurious shiny chrome finish.<\/p>\n
Lots of reviews have already been written about these amps so I won’t reiterate all the intricacies here, instead will focus on the main selling point, for me at least, being the sound quality.<\/p>\n
Reviewed here are the Devialet 120 and 200. These are the entry-level and one step up models respectively. Above this the chassis double and become ever more powerful dual mono designs. As I would later learn using Apogee Duetta and Diva magnetostatic speakers, both of the smaller models have more than enough power, meaning that the higher models would only really be interesting if your speakers are either incredibly hard to drive or require active multi-amping.<\/p>\n
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Technology<\/strong><\/p>\n Unlike many other so called hybrid amplifiers, Devialet doesn’t simply use a class A preamp stage followed by a class D poweramp. Instead, they employ a small class A powerstage and a powerful class D powerstage and operate them in parallel. Normally this is not possible as the two amplifier technologies would essentially create a short, but Devialet have devised a way to make this work, called ADH, which I suppose stands for Analog Digital Hybrid amplification.<\/p>\n The idea of the ADH is to maintain the analog amplifier’s voltage generating function (to maintain their excellent audio performance levels), but to confide the current generation function (power for the load) to an amplifier equipped with superior energy efficiency, in this case a digital amplifier, otherwise known as a switching amplifier. The analog amplifier determines the load’s output voltage, just as it would in any audio system, without, however, providing the associated current. The digital amplifier is based on an innovative, multi-phase and multi-level design operating at 1.6 MHz. 4 phases over 5 levels are in play per channel, (8 phases and 25 levels in bridged mode), and there are no output capacitors in the signal path.<\/p>\n The output impedance is constant and less than a milliohm for the entire audio band. The resulting damping factor ensures perfect control of any speaker on the market. According to Devialet, exceptional audio performance levels are obtained, without special selection or peering of components, and the performance levels are reproducible from one device to another, sustainable, and guaranteed by design.<\/p>\n Above 3 pics: Devialet 170\/200<\/p>\n Above 2 pics: Devialet 110\/120<\/p>\n Configurability<\/strong><\/p>\n As one moves up the models ladder, more options are added, mainly catering to inputs and outputs. The 200 is sold as being in the sweetspot, not costing the world, but offering more connectivity and more power than the 120. The 120 does offer some of the 200’s standard connectivity as options at extra cost, such as a preamp output and an asjustable subwoofer output. The 200’s standard connectivity however is already plentyful with wifi, ethernet, USB, coaxial digital, toslink and analog inputs on line level and phono MM\/MC level.<\/p>\n All settings are easily configurable via the Configurator section on the Devialet website, then downloaded onto an SD card. Upon inserting the SD card into the Devialet unit and restarting it, the new configuration is loaded. Using multiple SD cards multiple configs can be saved.<\/p>\n Inputs can also be individually configured as Bypass, for external surround processor inputs for example. Do note that the options available in the software are divided over the 4 physical cinch connectors so that some selections exclude others. For example on the 120 you can’t have phono as well as line in simultaneously assigned. For that you would need to get the 200.<\/p>\n There’s lots and lots more to configure, such as all phono EQ curves known to man as well as RAM (Record Active Matching) profiles for many pick-up cartridges, default volume level, output power and remote control settings. For more info see the Configurator section on the Devialet site. It is accessible even if you don’t have a Devialet.<\/p>\n Reservations<\/strong><\/p>\n I have heard many amplifiers with very high damping factors, and while this does indeed guarantee excellent control over the speaker, this does not guarantee enjoyable sound. Class D inherently has a high damping factor, and can easily provide lots of power from a tiny package as well, but when it comes to being emotionally involved in the music, I’m yet to encounter a Class D amp that beats the best of class A\/B. I have heard quite a few Class D amps, and even the best ones still come up short in terms of timbre or tonality, smoothness or fluidity, and treble air.<\/p>\n Therefore, the question that popped in my mind first was: would the hybrid ADH technology really deliver?<\/p>\n Sound – Devialet 200 – secondary audio system<\/strong><\/p>\n I needn’t have worried – starting listening tests in my smaller audio setup using Apogee Duetta Signature speakers*, the 200 sounds impressive from the get go: powerful, smooth, extended, highly detailed but very refined and very airy. Comparisons were made with a 5150 euro Accuphase E-260 integrated amp and a 5700 euro Jeff Rowland 525 poweramp driven directly by a Wadia 121 DAC.<\/p>\n Starting with the most logical comparison in the class D camp, connected with the same powercables and using a Meridian 506.24 CD player as digital transport, the Devialet 200 sounds every bit as powerful as the Rowland 525 but has much higher resolution. This is most apparent in the treble which is much more subtle, fluid and airy than with the 525. The Devialet 200 also has a much more relaxed and smooth sound, more reminiscent of older Jeff Rowland amps, which I definitely prefer. The 525 does have a more natural timbre and slightly more robust bass, but the Devialet 200 counters with a larger and deeper soundstage, topped off with better layering front to back within the soundstage. Where the 525 still sounded like typical class D, the Devialet 200 sounded like, well, analog! It could be said that the 200 sounds slightly tipped up in the high frequencies, but it prevents any harshness or overt brightness while doing so. Rather, its gentle and smooth presentation just makes it sound nicely extended and airy.<\/p>\n Above: the Rowland 525 is already diminutive but the Devialet 200 really takes the crown for being almost invisible. It looks more like a fancy equipment platform than a powered all in one streaming audio solution.<\/p>\n In the 525’s defense, the Wadia 121 DAC isn’t bad, but it’s far from state of the art. The Devialet is at an advantage for being a DAC and amp all in one and therefore not needing an external DAC. I know from experience that this Wadia diminishes dynamic expression, greys out the timbre and has a smaller soundstage than dearer DACs. Nevertheless, even with the 121 as a source the 525 still managed to sound more lively and timbrally correct than the Devialet, so the Wadia’s detractions were only mostly valid in parts of the presentation, and overall I feel that I can still conclude that the 525 is not as highly resolving, nor performs as musically involving as the Devialet.<\/p>\n Next up for comparison is the Accuphase E-260 integrated amplifier. This is more a matter of taste, and perhaps, desire for configurability or fashionability, as both amps sound fantastic in their own right, even if they have entirely different sonic signatures. All circumstances being equal, the Devialet has a lighter tonal balance, focussing on finesse and extremely fine resolution while the Accuphase has a fuller, warmer tonality and excels in providing a more sonorous, robust, life-like performance. Both amps have a solid, deep and wide soundstage, perhaps the Accuphase a little wider even. Both presentations appeal to me for different reasons. The important thing to take away from this particular comparison is that the Devialet sounded every bit as fluid and “analog” as the Accuphase which is a true analog amplifier.<\/p>\n Sound – Devialet 200 – main audio system<\/strong><\/p>\n In the main audio setup the Devialet 200 continued to impress. Used in combination with the AudioAanZee Reference Flow music server, connected with an Audioquest Diamond USB cable directly to the Devialet, the 200 drives the big Apogee Divas with authority and finesse, and it played loud, too! The Jeff Rowland model 6 mono power amps that I normally use did sound even more authoritative and fullbodied, and also threw a larger soundstage, but did not improve on the Devialet’s resolving power or refinement. And amazingly the Devialet turned out to be even more subtle and airy than the big Rowlands! Again, not in a in-your-face kind of way, far from it. In the context of this audiosystem as much as in the other system, the Devialet always sounds relaxed and smooth and decidedly non-agressive. PRAT btw is also spot on: not slow, not overly paced but juuust right.<\/p>\n I also played some CD’s using the Devialet’s coaxial digital input with excellent results. Normally I prefer USB over coaxial, but in these quick tests I didn’t notice obvious differences, both inputs soundig equally musically involving. As the Devialet was only available 1 evening, sadly there was no time to test the AIR method, which Devialet claim is superior, but I will definitely look into this in the near future. I also wouldn’t be surprised if at that time I did pick up on small differences between USB and coaxial when I spend more time with it.<\/p>\n Sound – Devialet 120 – main audio system<\/strong><\/p>\n By pure coincidence a friend dropped by the next day with a Devialet 120 and so I went straight for the big system to see if the drop from 200 to 120 watts into 8 ohm meant that perhaps the Divas were now a little too much for the little amp. But not so! Like the 200, the 120 took full control of the Divas and as far as I could tell it was just as powerful. Because the Divas are not very sensitive, I noticed how I could crank the volume control to well in the plus range (+6 I believe), but the amp kept giving, with strong, pulsating bass and ever so clear and stress-free midrange and treble.<\/p>\n As a matter of fact, overall, the 120 sounded remarkably similar to its bigger brother. There was a night inbetween these two tests, and I did not listen to both amps side by side, and under these circumstances I did not pick up on any obvious differences. Later direct comparisons would however make clear that they do indeed sound different. More on this below. Aside from audible differences, one might also choose a 200 over a 120, because it has more input- and output connectivity, a more advanced phono stage and can be turned into a 400, should you ever run out of power, or choose to biamp your speakers.<\/p>\n * Apogee Duetta Signature speakers and their crossovers<\/strong><\/p>\n Regular readers may know that the crossovers that came with this particular pair of Duettas weren’t original. Among others, components had been removed by the previous owner to switch the MRTW ribbon into high output mode, which made for an overly forward higher midrange and treble. For this review however, listening took place using a separate set of original Duetta Reference crossovers (almost identical to Duetta Signature crossovers) that I was given by Dutch Apogee restorer Henk van der Hoeven.<\/p>\n <\/p>\n After I heard the 120 and 200 for the first time and wrote the first part of this review, things went fast. The owner of the 120 sold his unit in order to purchase a 200. Not for sound reasons, but because it has a subwoofer output and pre-outs built in as standard. He had plans to connect big tube power amps. Had indeed, more on this later. By this time I was so intrigued by this remarkable product that I decided to buy the 120 from him. We immediately agreed that once he had obtained a 200 that we would carry out a direct side-by-side comparison.<\/p>\n When the comparison took place, we formed a nice Devialet-owners group of 3, and long time listening buddy JW was also present. Collected in the room as such were some of the most critical ears I know, so if there were differences to pick up, we sure would hear them!<\/p>\n Three observations<\/strong><\/p>\n 120 vs 200 – SETUP<\/strong><\/p>\n After first having listened to the 200 one night, then the 120 the next night and I couldn’t hear obvious differences, we decided to join forces to put an 120 and a 200 head to head in a direct comparison. Naturally I paid attention to power phase and used the same powercable in the same extensionblock output and placed the amp in the same position on the same level of the same audiorack. There’s a lot of same’s there, but I just want to point out that all circumstances were, well, the same for each amplifier. A standard power cable was used because so far this provides the best balance in my setup. I tried Harmonic Technology and Lapp, but both muddled the sound and restrained the amps’ dynamic behavior. Speaker cables used were cheap and cheerful van den Hul Skyline Hybrid for no better reason than that this is what the previous owner used for the Apogee Duetta’s crossovers and internal wiring.<\/p>\n As a side note these speakers’ crossovers were modified by the previous owner, providing a balance that was too bright for me. Recently I was gifted two original crossovers by Henk van der Hoeven, Dutch restorer for Apogee, and in order to make for a fair comparison I used the same speaker cable for these crossovers. The funny thing is that this cable seems to work extremely well, yet only costs about 6 euro per meter for a single run! I use a double run in a bi-wire configuration, which makes a large difference from a single run in terms of soundstage width and height, as well as dynamic differentiation. Anyway, these cables surely can be improved upon, but for now I am used to this cable and for this review it has worked very well.<\/p>\n I have carried out extensive comparisons using the various digital connection methods and found that a music server over USB sounds best to me. I will explain the differences between USB, Air over Wifi and Air over Ethernet further below, but for now please note that the source used is an AudioAanZee Reference Flow music server via an Audioquest Diamond USB cable.<\/p>\n The listening panel consisted of myself, owner of a 120, friends Jan and Berry each owning a 200 and my long time listening buddy JW. While the setup in listening room 2 is not ideal. The room is 7 meters deep and the listening sofa’s rear end is positioned precisely halfway the room at 3,5 meters which means that for the center position the head and ears are 2,7 meters from the speakers which are themselves very close to the rear wall. Still, the sound is very good, if very precise due to the total absence of room interactions. The room treatments (originally installed for the computer audio setup using Genelec 8050<\/a> near field speakers) add to this but are also a large factor in the sound still being so good in what is practically still a near-field situation. Sitting so close to the speakers will however easily reveal such things as bright treble or overly tight bass.<\/p>\n The listening couch comfortably provides room for only 3 people so I added a chair behind the sofa for the 4th panel member. Do note for now that this position provides a fuller, more relaxed and less forward sound, but I will get to this further below.<\/p>\n From 120 to 200<\/strong><\/p>\n At the time of writing this second part of the review I have owned a 120 for almost 2 weeks and am now intimately familiar with its sound. Please read the “3 observations” section above if you have skipped it because it contains important info on how the amps interact with each other.<\/p>\n For the purpose of the comparison I had made a long playlist with all sorts of music catering to each of the panel members’ musical taste. In order to get all ears aligned I played a part of each track and after about 30 minutes it was time to swap to the 200.<\/p>\n First thing I noticed after the switch, is that the 200 does indeed sound more powerful than the 120, and quite a bit more controlled. For Jan in the rear position this was nice, as it provided more bass oompf and lent more body and substance to vocals. To him, the 200 sounded fuller, and not at all overly controlled, but to JW, Berry and myself in the front position, the extra control exerted by the 200 was a bit of a double-edged sword: on the one hand making vocals and percussive instruments (piano, too), sound tonally more full-bodied and more acoustically convincing, on the other hand making already square R&B beats sound overly tight and piercing. Now, I realise that modern R&B production values shouldn’t be the deciding factor for amplifier choice, but it quickly became evident that the 200’s extra power and control was present in all music played and JW and I soon grew listening fatigue and I had the urge to turn the volume down on quite a few tracks.<\/p>\n Then again, the more relaxed recordings, such as soothing Brazilian songs, easy jazz and other easy going music definitely sounded better with the 200. More powerful and expressive, and more believable, too. Finally, not a huge difference, but the soundstage was a little wider.<\/p>\n From 200 to 120<\/strong><\/p>\n Going back to the 120 was a feast of recognition on the one hand and a bit of a let down on the other. For sure the 120’s treble was more airy and definitely more subtle and fluid, and its bass, although definitely less powerful, was still nicely full and because it was less extremely damped, I found it easier to relax into the music. Mind you the 120’s bass is still way better controlled than any other amplifier I tried recently, my class AB Rowlands included, so things certainly are relative here.<\/p>\n The midrange however took some getting used to. After the 200 had sounded so utterly acoustically believable, the 120 sounded somewhat thin or undernourished. If the 200 sounded somewhat forward in the lower midrange, the 120 sounded somewhat restrained in that section. Another way of looking at this is to say that the 200 sounds a bit more analytical, and the 120 sounds a bit more romantic. While the 4 of us heard the same thing, we had different preferences. Ultimately though we all agreed that we could all probably live with either amp, as long as it was properly bedded in, meaning fuller, warmer cables and a listening position further away from the speakers for the 200 and more open sounding cables for the 120. It should also be noted that the Apogee Duettas sound very articulate and sound very powerful by nature. Other speakers such as Berry’s Magnepan 1.7i’s, or my own Divas, can certainly put the 200’s extra power to good use. And when seated much further away, such as in my main listening room, as I recall from the first comparisons, the 200’s extra control was not an issue at all. I should carry out a direct comparison in the main setup as well as I suspect that I might actually prefer the 200 in that room.<\/p>\n Another thing we noticed was that the soundstage was slightly wider on the 200 but that it also portrayed vocals wider less focused manner, spanning the entire cavity between the speakers, whereas the 120 seemed to focus vocals more into a smaller ball right in the middle. Whether one is preferred over the other is more a matter of personal taste, and less a sign of amplifier quality as far as I am concerned.<\/p>\n The interesting thing is that although the differences noted are not subtle, they also are not night and day. Luckily for me, one easily acclimatizes and after a few tracks the ear\/brain adjusts and the 120 sounds fine again. What may well be a certain restraint in the midrange, actually sounds more appealing to me, no doubt because I am sitting so close to the speakers.Make no mistake: both amps are quite simply fantastic and should work in a large variety of setups, and both invoke that feeling of pride of ownership. But the differences are there, and your listening situation will dictate which one makes for the best match. I am fortunate in having made the right decision with the 120, but the situation is different for the two 200 owners. Berry is also happy with his purchase, as in his situation his Magnepans can make good use of the 200’s extra power and control. Although he liked what he heard in the rear position, Jan is having second thoughts about his 200, because his Lumen White speakers are very sensitive and don’t really need the extra control offered by the 200, he ponders if it was necessary to buy a 200 and sell his 120 to me. I for one am very happy with this decision:-)<\/p>\n Devialet Air over WiFi or Ethernet<\/strong><\/p>\n Unlike reports I read on the internet, and even in spite of friends having the infamous “white noise” problem, I have yet to encounter this. I did experience a stuttering using WiFi only once on one track and never again after that, but then my WiFi access point is only a few meters away from the Devialet. I must say that the unit already sounds impressive using the Air software on a Windows PC over WiFi. So good it sounded in fact that I did not feel the need to try other connection methods. However after installing the Solid Tech racks the sound became more analytical and this prompted some experiments with spikes and Ceraballs, as well as experiments with Ethernet and USB.<\/p>\n Ethernet and WiFi can be enabled simultaneously. Either mode just needs to be enabled from the Air software, then the appropriate input selected using the Devialet’s source button.<\/p>\n In spite of the theoretical bit-perfect nature of the Air protocol, there are differences in sound between Air over WiFi and Air over ethernet. The latter sounds more grounded, with a fuller, more powerful bass, more pronounced, timbrally fuller lower mids and treble that’s just as airy as over WiFi but cleaner and more fluid.<\/p>\n These differences can be easily heard, but they’re smaller than the differences between the 120 and 200, and depending on the speakers used, and the level of paranoia of the user, either Air method can work well enough. In other words if you won’t use USB and definitely don’t want to use ethernet cables, and can put up with the occasional hiccup, then using WiFi is just fine.<\/p>\n Devialet Air versus USB<\/strong><\/p>\n USB however turned out to be something else than either of the two Air methods. Air over ethernet already sounds more full-bodied than Air over WiFi, but USB multiplies the above mentioned differences… with the AudioAanZee Reference Flow music server at least. If a Mac Mini or a laptop were used then I’d say that the differences could well be much smaller, and the choice may even fall for Ethernet. With a music server as musical as the Reference Flow however the change in musicality is simply too large to ignore: much fuller and more voluptuous bass, richer, more emotionally engaging midrange and a much smoother, more fluid and entirely stress-free treble.<\/p>\n This was kind of a bummer for me I must say as I had high hopes of being able to continue to use Air, which means that I could use a variety of playback applications on the PC. The server however sounds so engaging that I just can’t bring myself to go back.<\/p>\n To put this into context: I prefer a full, relaxed, smooth sound, and this is where the Reference Flow excells. If you prefer \/ can put up with a leaner, less colourful sound, then Air might also be fine for you. The Reference Flow doesn’t dig out unheard details, but provides what I feel is the more emotionally engaging performance.<\/p>\n Power Cables and the Devialet 120<\/strong><\/p>\n Although so far I had been impressed with the Devialet in spite of using standard power cables, the cooling temperatures outside (winter is coming) have their effect on the overall sound of my system, and now and then I find the sound a little too accurate, not subtle enough. The lyrical effect lessened on some tracks. This was my cue to try a variety of power cords.<\/p>\n First alternative tried was Harmonic Technology Pro ACII. These cables work very well on most of my sources and the preamp in the main system. They are however not neutral, and so must be used with caution. I tried one of these cables before a month or so ago and it didn’t work well then. Now, again, it is clear that the Devialet is not happy using a cable so relaxed as the Pro ACII. Its “smooth-making” effect is way too large on the Devialet, bass transients, attach and dynamics suffering badly. The only good thing in this combination is that the midrange gains a silky-smooth luxuriousness that is quite appealing on slow music but not so much with hip hop, dance or R&B.<\/p>\n Second alternative tried was the Fusion Audio Enchanter. This is a costly cable but using it on the Devialet once more demonstrates that it is something special. Its balance is very neutral yet it manages to make small details clearer and giving them more space to work in. Importantly, the Enchanter removed a layer of grunge that was present when using the standard powercable, and the midrange once again has all the lyrical qualities as I remember them from listening to the system during summer time. And the cable does this without becoming slow, thick, or undynamic. Bass is still tight, articulate and fast, but not quite as powerful as with the standard cable.<\/p>\n Third alternative tried was the NBS Dragon\/Fly. This one has been in my possession for a long time, and although I have always liked its overall balance and it doesn’t have any sins of commission, it never stays in the system for long, due to a less than luxurious or colourful midrange. It can be a little bland that way. Connecting it to the Devialet 120 made for a surprisingly good match, the NBS having the neutrality of the Fusion Audio (not its finesse or high resolution though), coupled with more solidity in bass and having the lyrical qualities that were missing lately using the default cable. I’m sure that the Dragon\/Fly is also not the best cable for the Devialet, but for now it makes a very good match, making for a neutral and transparent, yet lyrical and emotionally involving, sound. Now, let’s go find some more upscale NBS cables…<\/p>\n Both 120 and 200 are superb products. The ADH concept really delivers, and then some. On quite a few aspects these amps perform even better than my current reference amplifiers and that really is saying a lot. For me, these Devialets mark the moment where class D really started to deliver, thanks to the clever combination with class A, and the other sophisticated technologies that make the Devialets work.<\/p>\n I haven’t touched on the built in phono stages and also want to see what happens if the 200’s power is turned down to 120 levels, but will likely still do so at a later stage and I will then update the review.<\/p>\n As a tech lover, I am really falling for the Devialet’s appearance and high-tech configurability, but as a reviewer I am limiting my options with this amp, as it precludes the use of an external preamp, poweramp and DAC. Well, that’s not entirely true of course as all these devices can actually be connected, but I’ve tried an external DAC and the Devialet simply sounds best when used integrally. Even the brilliant Jeff Rowland Aeris DAC did not improve the sound, which makes sense because the signal in this case goes through an extra step of converston (DA-AD-DA). This also means that no real meaningful comparisons can be made with analog interlinks and this basically leaves only the powercord and the speaker cables. But this really is also one of the strengths of the concept, and the thing that may scare many an audiophile tweaker: after having purchased a Devialet, you’re basically done! No more cable swapping and component matching… The Horror!<\/p>\n Sidenote:\u00a0Apogee Duetta Signature speakers and their crossovers<\/strong><\/p>\n Regular readers may know that the crossovers that came with this particular pair of Duettas weren’t original. Among others, components had been removed to switch the MRTW ribbon into high output mode, which made for an overly forward higher midrange and treble. For this review however, listening took place using a separate set of original Duetta Signature crossovers that I was given by Dutch Apogee restorer Henk van der Hoeven.<\/p>\n Sidenote 2: High-Efficiency speakers<\/strong><\/p>\n Two of my friends have noted that the Devialet sounds less spectacular in their systems, and there turns out to be a common factor: their high efficiency speakers. One friend has high efficiency Lumen Whites and the other has very high efficiency Avant Garde horn speakers. In these situations normal listening level is at around -40dB, whereas for me, with either of my Apogees it is around -15dB. Biiiig difference! The Devialet’s volume control is in the digital domain, and this is perhaps the main reason why it sounds flatter and less lively at very low levels.<\/p>\n Recently I also used the Devialet 120 with a pair of Monitor Audio PL-100 standmounts. Lovely speakers really, but not a good match with the Devialet. The sound was highly audiophile, but flat and not very colourful or engaging. The PL-100’s are not incredibly efficient so it would appear that in general, the Devialet likes to use its muscles and perhaps due to its huge damping factor sounds just more musical into lower impedance speaker designs.<\/p>\n Sidenote 3: Martin Logan\u00a0speakers<\/strong><\/p>\n Since a few weeks I own Martin Logan Ethos electrostatic speakers. I know that there are some people who find these speakers, or the combination with Devialet, to produce harsh treble, but this is definitely not the case in my situation. While I used firmware 8.1.3 for the above review, by now my D120 has been running firmware 7.1.3 and this has made a very large and positive difference in terms of smoothness, fluidity and low level resolution. Perhaps the firmware is one reason why it sounds so good, but also note that the Devialet 120 sounds considerably warmer in the midrange than the 200, and positioning of the speakers is just as important. If you find that Logans sound too beamy or harsh, try to reduce the toe-in to the point where the imaging between the speakers begins to blur, then toe them back in precisely enough to get the imaging back. This is the position where the speakers sound least beamy and most relaxed. Also note that even with the more sensitive Logans, I still do not find that the Devialet lacks power or dynamic expression\u00a0at low volume levels (Devialet volume set between -22dB and -12dB).<\/p>\n Above: Martin Logan Ethos in the secondary setup<\/em><\/p>\n Associated Equipment<\/a><\/p>\n Devialet Firmware – Sound Quality versus Features<\/a><\/p>\n Distributor Devialet Benelux: D&D Audio<\/a>![\"Devialet-170-inside\"](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/08\/Devialet-170-inside-550x501.jpg\")
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<\/p>\n![\"devialet](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/08\/devialet-duetta-crossover-IMG_6797-550x413.jpg\")
<\/p>\n![\"devialet](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/08\/devialet-IMG_6877-550x413.jpg\")
<\/p>\n![\"\"](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/11\/devialet-IMG_6868.jpg\")
<\/p>\n\n
<\/p>\n![\"secondary](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/10\/secondary-setup-IMG_6810-550x413.jpg\")
<\/p>\n![\"devialet](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/11\/devialet-IMG_6862-550x400.jpg\")
<\/p>\n![\"\"](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/11\/devialet-IMG_6750.jpg\")
<\/p>\nConclusion<\/h2>\n
![\"martin-logan-ethos_550pix](\"http:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/09\/martin-logan-ethos_550pix-IMG_7866.jpg\")
<\/p>\nRead Also<\/h3>\n
External Links<\/h3>\n
\nManufacturer: Devialet<\/a><\/p>\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2025\/04\/Playback_Designs_MPS8_ANGLED_v2_1500pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n \r\n Playback Designs MPT-8 Dream Transport <\/a>\r\n\r\n <\/div>\r\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2025\/03\/Playback-Designs-MPD8_MPT8_4X3A8515_1500pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n \r\n Playback Designs MPD-8 Dream DAC <\/a>\r\n\r\n <\/div>\r\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2024\/12\/Wattson_Madison_Madison_LE_4X3A7788_1500pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n \r\n Wattson Audio Madison and Madison LE <\/a>\r\n\r\n <\/div>\r\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/10\/Melco-E100A-H80-8TB-USB-Drive-4X3A7473_750pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n \r\n Melco E100A H80 8TB audiophile USB Drive <\/a>\r\n\r\n <\/div>\r\n
![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2024\/08\/XACT_S1_4X3A7249_750pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2015\/10\/Melco-N5_H50_4X3A6981_750pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2024\/02\/Antipodes_K22_G4_4X3A5321_750pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n ![\"\"](\"https:\/\/www.hifi-advice.com\/blog\/wp-content\/uploads\/2023\/12\/Grimm_MU2_4X3A4946_750pix.jpg\")
\r\n\r\n <\/a>\r\n <\/div>\r\n\r\n