Custom in-ear monitors are rightly considered the top of the headphone market-«plug» (well, not in the Russian language the right translation of the word «earphones»). But even in this highly competitive market segment development is often extensive, so when there's a really unusual model — it's doubly interesting.
As is clear from the title, the heroes of today's review of one of my favorite cities — Kiev. With the laboratory Ambient Acoustics I are old friends, my Ambient Monitors have come a long and interesting way from 4 to 10 emitters, those readers that follow the theme, I think, this way is long know my reviews. For those who do not know — briefly tell what it is.
The Foundation «customs» (so, for simplicity, usually referred to as CIEM) are two technologies: radiators with the balanced anchor and photopolymerization. About the radiators I have , but with photopolymers, I think, all and so know at least dentistry. The whole idea is relatively simple: remove the imprint of the meatus and adjacent area of the ear, then at the pattern produce earphones that will fit perfectly to the ears of the wearer, providing comfort and maximum insulation. Further in this case going scheme headphones, often used «reinforcement» emitters, and usually in several pieces, complemented by intricate crossover. In fact, of course, is more complicated than it sounds: you have to find the right driver, to coordinate them, to calculate the filters of the crossover, to take into account many different parameters.
For lab AA it's not a problem, megadriver design, they have mastered for a long time, their previous flagships count of 10 emitters in each ear, and the non-serial produced and 16 and even 20-handler model. Not surprisingly, the lab decided to stay in this difficult task of increasing the number of drivers and try to go the other way. Thus was born the line Live Acoustic Mod, consisting of models 3, 5 and 7 emitters. Since I am by nature a maximalist, I decided to focus on the flagship, and so the review below is just about the AM7-LAM.
Despite its compact size, headphones different proprietary technologies. Chief among them, of course, a custom five-band crossover. On the headphone placed three switches, two of them are responsible for bass, allowing you to choose one of four levels of bass: 0 dB, +6 dB, +10 dB and +14 dB. Another is responsible for MIDs, allowing for +5 dB to raise the frequency level, which account for a large part of the music information. Generally, such switches are not new, with similar experimented by many manufacturers, but AA was to ensure that when you change sound impedance headphones remains virtually unchanged, which allows to neutralize the effect of the output impedance of the source.
In addition, «compatible» with different players and DACs is provided by a proprietary technology for correcting the phase and impedance, so LAM’s have almost linear graph both characteristics. To filter bass radiators use dual acoustic filter, thus reducing jitter compared to using the electrical filter and the most narrow bandwidth bass drivers, which leads to better control of the bass.
In the very buildings used metal zvukovoy that improve the transfer of RF, and the radiators completely filled with the acrylic, which reduces the possible parasitic resonances.
This pleasant know-how does not end, but about them I will have to tell in the course of further narrative.
The Price of the earphones with one hand high, wanting to cook need 950 dollars and it is a promotional price, which after may 1 will increase. On the other hand is much less than the flagship models from other manufacturers, and while LAM’s have a number of unique features not found in any other model.
By the Way, if you do not want to mess with the casts and send them headphones can also be enjoyed in the universal case, he have AA turned out to be surprisingly compact.the
Ambient continue to work on. For the latest versions they have provided even branded paper bag, which is Packed purchase. Inside there is a hard case made of glossy plastic that holds the headphones, a tablet of desiccant and a special cleaning brush. The latter, incidentally, is really convenient, I suspect that it is something of dentistry, but with a dusting of sulfur from zvukovogo she's doing just fine.
In addition, you get included fairly detailed instructions for using the earphone and care. It is described using switches tuning sound.the
Don't Even know what much to tell in this section, it's ostomy, so their design is simple and obvious: acrylic case with speakers and crossover inside. AM7-LAM are different from the counterparts by the presence of three compact switches for the tuning of sound, marked by colored dots, their role is detailed in the instructions. Of course, Ambient Acoustics offer a lot of costume jewelry: assorted colors of acrylic, transparent or no inlays on faceplate, color printing, carbon fiber, wood and more. I have chosen very basic and transparent acrylic making faceplate style «steampunk». The quality of performance does not cause the slightest criticism, the products of AA have long been deprived of «childhood illnesses» start-castmodel kind of air bubbles or dust in casting.
Of Course, the headphones provide the highest possible acoustic insulation, they can be worn in any noisy conditions, while wearing comfort is also the maximum, of course, if the prints are made correctly. If planting the first time did not come, the lab will help «customize» her under your ears (thank you, not Vice versa).
Another lucky find, the company threaded connectors headphones. Connectors — the scourge of top-end IEM, almost none of them provide an adequate level of reliability and over time, «bumped». It is fraught with deterioration of the sound and, worse, can lead to loss of the headset while wearing them around your neck. Having tried all the existing options, Ambient’s decided to make my own plug, on the threads. The resulting contact and electrically reliable, and mechanically, it is clearly recorded and detaches without problems. However, if you are the owner of some megaexchange wire — you can order the installation in your headphones with any standard connectors or to negotiate with the developers about changing the connectors on the wire.
Also independently in a lab and doing leads, so they offer very serious cables at very affordable prices. Well, judge for yourself — $ 45 for a thick cable silver-plated copper — market standards actually «ball». Complete the wire AM7-LAM it in this series, it is soft and very comfortable, not confused and not prone to hardening in the cold. Plug — also homemade, it is molded from silicone, which provides increased wear resistance (a couple of years, learn how enhanced).the
To listen To the following equipment was used.the
Before listening headphones was heated for 48 hours although for «valves» it is not required.
«Default» customize headphones almost linear frequency response that will appeal to lovers of neutral and uncolored sound. The sound of this model, as sung in the song from the popular movie, «sank to the depths and rose up to heaven», in other words, there is deep bass and extended treble. Fortunately, «inject robots» here it did not come, AM7-LAM sound very musical, despite the excellent micro-dynamics and contrast of the sound, they do not cut the ear and do not strain the listener.
Bass, of course, fast, also, it is undoubtedly deep, and despite reinforcing detail, it has enough weight and power, so the slightest hint of the characteristic for this type of emitters dry here. I even like zero bass, but I still prefer the version with the +6 dB, so the music sounds a little telesna, and due to this, the tools gain the weight that gives the presentation of fundamental. In General, all the good that can be said about the quality NCH, LAM’s can: when it is they hit when necessary — gently wrap and wrap. However, purely for my taste, the options with +10 and +14 dB is already too much for quite bazofilov.
As the theater begins with a hanger, headphones as well start with the bass, but just as in the theater, headphones some bass did not last long, after all most of the information, including music, we perceive in the mid-frequency range. And then the opportunity to stress this part of the spectrum have not...
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