Anyone who has ever looked into the hi-fi world in a little bit more intensive way knows that the arbitrary combination of well-reputed audio components does not necessarily lead to a guaranteed musical enjoyment. In the field of high-end audio, only very few manufacturers offer complete solutions—mainly those featuring a digital source. To my knowledge, Einstein is the only laudable analogue exception.

However, I do not want to anticipate: The analogue turntable, of which prototypes have been shown at trade fairs for years, is still awaiting its debut, which—probably—will happen at the end of this year. But even without it, the rich portfolio of the Bochum-based Einstein manufactory offers you even such alleged trivialities like cables or power bars. But before I continue to speculate about the turntable's future or write about my experience with Einstein's—almost—complete audio system, let me briefly look into the past. Volker Bohlmeier, whom I got to know in Bochum in his first hi-fi store—in his second store, by the way, back when I jobbed during my student days—founded Einstein Audio almost 30 years ago. The first product was visually eye-catching as well as felicitous solid-state amplifier, whose circuitry concept had been developed by Rolf Weiler. Over the decades, this cooperation has proven to be a good one:  Up to these days, Rolf Weiler still makes sure that Einstein's electronic components are always characterized by innovative technical solutions. A good example is the preamp's input selector, which avoids relays or switches in the signal path. For some time, the interior designer Annette Heiss has been responsible for Einstein's distinctive appearance. The team in Bochum is complemented by electronic engineer Uwe Gespers and radio and television master craftsman Rolf Wittig. To celebrate the decadal company anniversary in 2018, I planned a visit to the former mine building in Bochum.

Volker Bohlmeier had the The Pickup built by Ortofon's head of development Leif Johannson, according to his personal sonic concept.
Volker Bohlmeier had the The Pickup built by Ortofon's head of development Leif Johannson, according to his personal sonic concept.

Readers who have been following my writing activities and the publication of Hifistatement will find many Einstein components being old acquaintances:  The excellent balanced phono stage The Turntable's Choice I tested way back at the beginning of 2005, and acquired it shortly thereafter. Since then, a phono preamplifier for me has to be balanced. Up to now I haven't heard anything better at this price. The already-mentioned preamplifier with the prosaic name The Preamp has been extensively worked on by our tube specialist Jürgen Saile years ago. Since the testing of the semi-active loudspeaker system Maestro GSE from AudioMachina has been carried out (to which project Volker Bohlmeier, in his function as distributor of the American manufacturer of premium aluminum speakers, had also brought along his preamp to join the other components), I would not want to miss this one in my audio chain. I had already publicly acknowledged the quality of the Einstein, upon the urging of colleague Wojciech Pacula in his review on Einstein's The Preamp and The Silver Bullet. (Go to www.highfidelity.pl to find this.) Some indication of how good The Pickup sounds can be found by going to our sound library.

A classic appearance: The Tonearm in the nine-inch version.
A classic appearance: The Tonearm in the nine-inch version.


I am already familiar with the cartridge, the phono, and the preamp. The chain is completed by the tonearm named—you surely will have guessed its name—The Tonearm, with the OTL mono amplifiers, The Silver Bullet, and the semi-active three-way loudspeakers, The Pure. The latter were introduced during last year's High End show and are now available. Regarding the tonearm, we got one of the first available copies. That's why I have decided to take only a brief look on the already known components, but review the tonearm and speakers a little more in detail. Technical explanations of the OTLs that are being built in this form already for quite a while I gladly leave to colleague Jürgen Saile—which is justified by the fact that I'm not a proven tube expert. From this consideration up to the question whether Rolf Weiler or Volker Bohlmeier are well versed in all kinds of component types, it's not that far. Rolf Weiler is a well-known electronics specialist well beyond the hi-fi sector, and has also gained a vast experience with analogue turntables. But for the development of The Pickup cartridge, Volker Bohlmeier relied on the experience of an external specialist. In cooperation with Leif Johannson, who replaced Per Windfeld as chief designer at Ortofon, he has put his very specific sound concept into practice. If the EMT derivatives TU-2 and TU-3 were primarily driven by dynamics, the Pickup would have liked to have a little bit more of that plus a higher resolution, a broader spatial imaging, and better fine detail. Dynamics and the greatest possible proximity to the live experience have always been the first priority for Volker Bohlmeier. Components with an appealing smooth sound character weren't his cup of tea 35 years ago, and still aren't up to now.

A part of the solid bearing block and the traditional disc to adjust the tracking force.
A part of the solid bearing block and the traditional disc to adjust the tracking force.

The reason for his choice of a classic nine-inch tonearm did not really surprise me:  In all the testing it has been clearly superior in terms of the joy of playing and vibrancy, compared to the 10 and 10.5 inch versions. The twelve-inch version, which will be presented at the High End, exudes a great sovereignty, but when the passionate guitarist and guitar collector has the choice between sovereignty and dynamics, he doesn't have to think for too long for which one to go—and that's why the nine-inch has become part of the complete system. By the way, the arm is manufactured in Japan by one of the most experienced specialists:  Ishiama san not only builds them, but also has built the arms for Ikeda and Fidelity Research. In the case of Einstein's The Tonearm, he uses a straight tube for the first time. At first glance, the tube is entirely made out of stainless steel. After having performed a series of experiments with steel, aluminum and carbon tubes, eventually a stainless steel-aluminum sandwich was chosen, with the inner aluminum tube being full-face glued to the outer steel tube to optimize the resonance behaviour of the arm. The Tonearm comes up with a very complex bearing: Relatively large ball bearings are mounted to a solid bearing block, which has been designed to ensure a quiet, extremely resonance-free and precise operation.

A well-proven solution for compensating the skating force – in the best workmanship.
A well-proven solution for compensating the skating force – in the best workmanship.

As with arms deriving from Japanese tradition, the Einstein also comes with a detachable headshell, allowing the adjustment of the azimuth after loosening two Allen screws. Fortunately, Volker Bohlmeier and Ishiama san paid particular attention to the alleged weak spot:  Instead of using the usual single guide pin for defining the position of the headshell in the arm, two are used here instead. In addition, rhodium contacts are used for signal transmission, which are located in a Teflon cylinder specially made for this arm. After roughly adjusting the height of the arm, the extremely solid, mechanically fascinating base allows the fine adjustment of the VTA via a lever—as it used to be with the Micro Seiki. The effective mass of 18.5 grams makes the arm an ideal matchmaker for systems with medium and low needle compliance. Since Einstein – as already mentioned—also offers high-quality cables, it was no problem to get balanced cabling for The Tonearm. The Pickup's unusually thin connector pins—at that time my only point of criticism of this so vividly and homogeneously performing cartridge—are no longer a problem if you are a proud owner of an Einstein tonearm: there is a set of wires with extra-tight receptacles that perfectly match the pins of The Pickup.


The detachable headshell with guide pins top and bottom. The signal is conducted through rhodium contacts. The two Allen screws allow for the azimuth adjustment.
The detachable headshell with guide pins top and bottom. The signal is conducted through rhodium contacts. The two Allen screws allow for the azimuth adjustment.

When asked, Volker Bohlmeier emphasizes that he has developed the arm using a variety of different cartridges, but it appears to me that The Tonearm and The Pickup are made for each other. Afore, the superbly worked AMG 12JT Turbo tonearm guided the Einstein system—and that to my fullest satisfaction. But in the Einstein arm, The Pickup inspired with a slightly larger room imaging, seeming even more impulsive and enthusiastic. The simplest explanation for this is that the Einstein pickup with its five grams higher effective mass helps the tonearm to put its sonic qualities in the right perspective. Perhaps another arm in The Tonearm's weight class could bring the cartridge to similar great heights. Be that as it may, this combination of tonearm and cartridge created in a German-Japanese-Danish cooperation runs up to an even higher sound level than The Pickup is able to in one of my own tonearms. I am already looking forward to work with Einstein's forthcoming twelve-incher.

Eye candy for every admirer of precision mechanics: the smoothly running height adjustment of the tonearm by means of a lever.
Eye candy for every admirer of precision mechanics: the smoothly running height adjustment of the tonearm by means of a lever.

I hope you do not take my meanderings amiss:  Even if I intended to describe the Einstein chain as a whole, I not always can resist the opportunity to occasionally listen to previously unknown components in my familiar environment. But from now on I will defy the temptation to write about it. From The Tonearm we move to The Turntable's Choice, or TTC in short, connected to it—as aforementioned—by a balanced Einstein cable. The gain of the balanced phono preamp is not variable and is designed to match the output voltage of MC cartridges. Due to the excellent signal-to-noise ratio and the very high overload stability, it furthermore harmonizes equally well with MCs with very low or even high output voltage.

Each of the two tubes contains two circuit boards for equalizing and amplifying the positive and negative half-waves of the phono signal. The power supplies are external.
Each of the two tubes contains two circuit boards for equalizing and amplifying the positive and negative half-waves of the phono signal. The power supplies are external.


Even if the two tubes, each equipped with two circuit boards, are fed by external power supplies, care should be taken regarding their positioning in the system. In the vicinity of strong power transformers they do not feel themselves particularly comfortable, which they acknowledge with a slight hum. It really would be a pity to cut down its outstanding signal-to-noise ratio and the thereof resulting dynamic and detail resolution abilities through a negligent placement. If one pays TTC the attention it deserves, then it enchants with a pitch-black background, before which its sonic abilities are revealed to be all the more radiant. Because even the finest room information doesn't get lost in the noise floor, one feels transferred into large, airy recording spaces, and enjoys an abundance of detail that is well-integrated into the musical flow. The enthusiasm of the musicians captivates—assuming, of course, the corresponding recording—and let's instantly forget all the hi-fi criteria. Oh yes, I intended to restrain myself from offering further sound descriptions, but I know and appreciate the TTC for over a decade now, so you should somewhat forgive me my effusiveness...

The impedance on which a cartridge operates can be determined from this selection of plugs. Special preferences can be therefore easily fulfilled.
The impedance on which a cartridge operates can be determined from this selection of plugs. Special preferences can be therefore easily fulfilled.

Further on, the signal runs from the TTC to the preamp in solely balanced mode as well, as The Preamp has two balanced to go with its three RCA inputs. The inputs are each directly connected to a twin triode, which also serves as an input selector switch. The control knob on the front panel switches on the heating of the corresponding tube:  The selection of inputs works without a switch or relay in the signal path. Facing so much purism, it is no longer surprising that Rolf Weiler also realized a volume control in which the potentiometer doesn't also lay in the signal path. The fact that The Preamp performs brilliantly in all disciplines of hi-fi and is to be regarded as a dynamic exceptionality, this Jürgen Saile has already written in his statement so that I can leave further comments on The Preamp apart. I prefer listening to music instead. In the second part of this review, we will discuss the OTLs briefly, the new loudspeaker system The Pure in greater detail and, eventually, the sound of the chain in full.

The preamp in the Artesania Audio Exoteryc rack, which allows the use of less flexible power cables despite the mains socket being placed in the front part of the bottom plate of the housing.
The preamp in the Artesania Audio Exoteryc rack, which allows the use of less flexible power cables despite the mains socket being placed in the front part of the bottom plate of the housing.


Listened with
Turntable Brinkmann LaGrange with tube power supply
Tonearm AMG 12JT Turbo
Cartridges Lyra Etna, Einstein The Pickup
Phono preamp Einstein The Turntable's Choice (balanced)
NAS Melco HA-N1ZH60, WDMyCloud
Streaming bridge Auralic Aries Femto with SBooster BOTW P&P Eco
D/A converter Chord DAVE
Preamp Einstein The Preamp
Power amp Ayon Epsilon with KT150 tubes, Einstein The Poweramp
Loudspeakers Kaiser Acoustics Kawero! Classic
Cables HMS Gran Finale Jubilee, Swiss Cables Reference Plus, Goebel High End Lacorde, Habst Ultra III, Audioquest Diamond and Carbon, Cardas Audio Clear Network
Accessories PS Audio Power Regenerator P5, Clearaudio Matrix, Sun Leiste, Audioplan Powerstar, HMS wall sockets, Acapella Bases, Acoustic System Feet and Resonators, Artesania Audio Esoteryc, Harmonix Real Focus and Room Tuning Disks, Audio Exklusiv Silentplugs
Manufacturer's Specifications
Einstein The Pick-Up
Principle Moving Coil
Stylus shape Shibata
Frequency response 20 - 30kHz ±3dB
Output voltage 0,4mV at 5cm/sek
Channel balance < 1dB at 1kHz
Recommended tracking force 2,3g ± 0,1g
Coil impedance 12Ω
Empfohlener Abschlusswiderstand 150-300Ω
Dynamic compliance 13µm/µN
Tracking ability at 315 Hz 80µm at 2,2g
Vertical tracking angle 20º
Weight 13g
Price 4400 Euro
Manufacturer's Specifications
Einstein The Tonearm
Length 9 inch
Effective length 232mm
Offset angle 22,5º
Effective mass 18,5g
Mounting holes 34mm
Mounting distance 217mm
Tonearm tube stainless steel (outside), Aluminum (inside)
Special features stepless height adjustment via level, detachable headshell with precise locking system
Preis 6200 Euro
Manufacturer's Specifications
Einstein The Turntable's Choice
Gain 68dB (2500 times)
Signal-to-noise ratio >=80 dB
dBTHD <0,03%
RIAA passive
Input impedance adaptable
Output impedance 50Ω
Output voltage 10V
Weight 7,0 kg
Price 9000 Euro
Manufacturer's Specifications
Einstein The Preamp
Signal-to-noise ratio >95dB
THD < 0,03%
Output voltage 2,5V/100Ω
Output impedance 50Ω
Frequency range 7Hz to 250kHz
Dimensions (W/H/D) 430/170/410mm
Weight 20kg
Price 18000 Euro
Manufacturer's Specifications
Einstein The Silver Bullet OTL
Signal-to-noise ratio >98dB
Distortion at 1 kHz <0,02%
Output power 80W/12Ω, 65W/8Ω, 45W/4Ω
Damping factor 95/8Ω
Weight 30kg / mono amp
Dimensions (H/W/D) 24/43/49 cm
Price per pair 48000 Euro
Manufacturer's Specifications
Einstein The Pure
Principle semi-active three-way speaker system
Frequency response 18Hz-30kHz
Sensitivity 89dB/8Ω
Drivers 26cm woofer, 15cm midrange, 2cm super tweeter
Crossover Subwoofer 18Hz-150Hz with active equalization, Midrange driver without any crossover, Horn tweeter with 6dB connection, switchable level control with four-stage IL precision switch
Subwoofer active, closed with integrated 700W ICE power amp, analogue crossover technology with adjustable frequency range and adaptable volume level for the woofer
Dimensions (H/W/D) 120/40/15cm, 125 cm high incl. stand
Weight (incl. stand) 100kg / each
Recommended amplifier power 15-200WPC/8Ω
Price per pair 44000 Euro
Manufacturer/Distributor
EINSTEIN Audio Components GmbH
Address Prinz Regent Straße 50-60
44795 Bochum
GERMANY
Phone +49 234 9731512
Email info@einstein-audio.de
Web www.einstein-audio.de

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Wenn Sie dieses Mal nicht persönlich auf der High End vor Ort waren haben wir Ihnen die letzten Tage sicher wieder interessante Impressionen vermittelt. Und wir haben jetzt die offizielle Statistik zur diesjährigen High End bekommen.

Die Ausstellerzahl ist weiter um 4 Prozent auf 538 gestiegen. Noch stärker stiegen die Zahlen bei den Fachbesuchern, die um 16 Prozent auf über 8.000 zulegen konnten. Da diesmal der erste Tag, der den Fachbesuchern vorbehalten ist, nicht wie sonst auf Christi Himmelfahrt fiel, ist dies umso bemerkenswerter. Tatsächlich war die Resonanz an den beiden ersten Tagen geringer als sonst, aber dafür der Schlussspurt umso eindrucksvoller. Am Ende stand bei der Gesamtbesucherzahl ein Plus von 10 Prozent auf exakt 21.412 Besucher. Die Medienvertreter und Aussteller sind in diesen Zahlen noch gar nicht enthalten. Insgesamt 541 akkreditierte Journalisten berichteten laut den Zahlen der High End Society von der Messe. Nicht ganz ohne Stolz können wir sagen, dass ein Prozent aller weltweiten Medienvertreter auf der High End 2017 von Hifistatement stammt…

 

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Manchmal wünschte ich mir, ich wäre in der Haut meines Freundes. Der besuchte heuer erstmalig die High End, hat eine fantastisch klingende Anlage zuhause, ist aber dennoch auf der Suche nach besseren Lautsprechern. Ist die High End dafür das geeignete Forum?

Dass sich auf dieser Messe das weltweite Fachpublikum einfindet, hat die High End zur bedeutendsten Ausstellung der Audio-Branche etabliert. Aber ist sie auch in der Lage, den suchenden Endverbraucher zufriedenzustellen? Drei Tage hat sich mein Freund Zeit genommen, dazu kommen zwei Tage für die An- und Abreise mit dem top gepflegten, alten Golf GTI. Vier Hotel-Übernachtungen waren zu bezahlen.Wir trafen uns immer wieder zufällig auf den Gängen. Dabei war er gut gelaunt und berichtete von den Eindrücken und Erkenntnissen, die er in dieser oder jener Präsentation soeben gewonnen hatte. Seine Suche blieb nicht ohne Erfolg. Allerdings sprengen die Traum-Lautsprecher das aktuelle Budget. Das ist aber nicht tragisch. Immerhin war die High End für ihn bestens geeignet, die Angebots-Vielfalt zu sondieren. Man weiß auch, wo man steht, mit dem, was man besitzt. Auch dies ist eine lohnende Erfahrung.

 

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Donnerstag, 25 Mai 2017 11:21

Audia Flight Strumento n°1 mk2

Many audiophiles believe that they can get along without any preamplifier in these digital times. However, I do not share this point of view: To me a preamplifier is an indispensable partner that, by the way, also should have sufficient balanced inputs. Yet, the Audia Flight does not only impress with its five XLR inputs that were kept on board also in the new mk2 version. There's much more to it than that.

Even if today some excellent value-for-money rated D/A converters such as the Mytek Brooklyn not only offer an analogue input, but highlight a front-to-back analogue signal path, including a corresponding volume control, I still cannot do without a preamplifier. On the one hand, at least three balanced output equipped sources are eager to be alternately connected to the power amps, while on the other hand the convenient installation of nearly the complete audio system next to the listening position requires almost six meters of line cabling to the power amplifiers which sit beside the speakers. So to cover that distance, the signal should be processed in an optimal way. In other words, the output stage should provide a certain current delivery capacity and a quite low output impedance. The dogma that fewer components within the signal path should, in principle, lead to better sound, I cannot confirm by any of my experimental trials. (I must admit that there haven't been that many of those, but what I have done indicates what I have noted.) Converters without analogue volume control I never run without a preamplifier, not even for a short test, because I constantly fear that reducing the volume also reduces the resolution at the same time. No matter how much I've been enthusiastic about digital technology over the past five years, I still remain conservative when the preamplifier comes into play.

The well-done Audia Flight design has a high recognition value. The expenditure invested in the surface treatment is considerable: the hand-polished parts are assembled, then separated, marked and finally anodized
The well-done Audia Flight design has a high recognition value. The expenditure invested in the surface treatment is considerable: the hand-polished parts are assembled, then separated, marked and finally anodized

With this kind of approach I seem to perfectly match the target group focused by Audia Flight with their Strumento n°1 mk2. Audia Flight is a company that is known for the appreciation of classic high-end values paired with an appropriate use of materials. This already starts with the packaging:  Just like my long-standing and current favourite, Einstein's The Preamp, this Italian preamplifier is also delivered in a heavy wooden box. But even without the box it still weighs 28 kilograms. This is also due to the extremely attractive and high-quality processed aluminum housing. And in addition, the 40 low ohm filter capacitors designed for voltages up to 100 volts, each with 680 microfarads, as well as the four ferromagnetically shielded and potted mains transformers also significantly contribute to the weight. Also consider the two 75 watt toroidal transformers for the audio circuitry of each of the two audio channels, a 25 watt transformer for the control electronics, and one with an output power of 15 watts for the logical circuitry. The kilograms certainly mount up! The power supply for the audio circuit shows eight voltage regulators of very low noise that provide ± 60 and ± 18 volts for each channel.

The display shows the number of the input, its name as selected by the user, and the value of the volume
The display shows the number of the input, its name as selected by the user, and the value of the volume


Balanced supply voltages of 60 volts do in fact guarantee lots of "headroom," or high overload stability, as well as nearly unrestricted dynamics, but apart from power amplifiers as seen within the hi-fi world, these voltage concepts are notably rare in other audio applications, due to cost considerations. They usually only make sense if the amplifier sections are built up with discrete components that are able to cope with these voltages. In the studio equipment sector, SPL has successfully been using this technology for years, as the test reports on the Phonitor 2 and the Director from their Pro-Fi line for home use show. Regarding the voltage supply of the Strumento n°1, I should add that the aforementioned 40 electrolytic capacitors are located under a special plate to eliminate electromagnetic interference, as well as to limit mechanical vibrations, while "ultrafast" diodes take over the rectification process.

In order to illustrate the circuit topology of the preamp, I follow the signal from the input to the output sections. Let's start at one of the two RCA or one of the five XLR inputs. Right behind the input selection are relays, which also disconnect the ground connection of the non-active XLR inputs from the circuitry; two buffer amps take care of the inverted and the non-inverted part of the now purely balanced signal. The non-inverted signal for the tape recording output is then branched off and fed to the RCA output sockets after further buffering. Behind the two buffer amplifiers of each channel, the Audia Flight features not less than two volume controls: a discrete one with very low-noise metal-film resistors and relays, and one using the PGA2310 IC. The control electronics of the preamplifier decides which of the two has to be active in the signal path. If the volume setting is on a constant level, relays and resistors define the level. If the volume level changes, the PGA2310 immediately takes over, since it runs totally silent during the control process—unlike the discretely operating controllers. After the relays and resistors having adjusted the required volume level, the control electronics switch the discrete ones back into the signal path.

A company like Audia Flight, who provide their preamp with a leather-bound instructions manual, certainly will also provide a professional remote control. And they do
A company like Audia Flight, who provide their preamp with a leather-bound instructions manual, certainly will also provide a professional remote control. And they do

The company's director Massimiliano Marzi notes in his e-mail that the PGA2310 works so well that it is used in many competitive products for the level control itself. However, their proprietary design with relays and resistors gets a good bit closer to the ideal conception of an entirely loss-free volume control with a constant-impedance behavior. And in his eyes that more than justifies the additional expense. Only if the impedance throughout the volume attenuation process does not change will the edge steepness and the frequency response remain constant. Audia Flight's "constant impedance attenuator" leaves other solutions far behind, and allows for the extremely extended frequency response from 3Hz to 1mHz with a deviation of a maximum of 3dB and a slew rate of more than 250 volts per microsecond in the entire level range from -90 to +10dB. The circuit's control range comprises 127dB in constant steps of 0.5dB, whereby the level adjustment runs fully silent without creating any clicking noise in the loudspeakers.

There is no shortage of balanced inputs at all; the author is pleased!
There is no shortage of balanced inputs at all; the author is pleased!


The volume attenuation section is followed by two "gain stages" or voltage amplifiers per channel. This involves a discrete circuit designed by Audio Flight with current feedback, operating in Class A mode. The voltage amplification stage is housed in an aluminum enclosure and is encapsulated with epoxy resin for reasons of thermal stability of all components. A large aluminum plate serves for heat removal. The subsequent, very low-noise output stage, also works in Class A mode. Due to its high current supply capability, it is said to be capable of driving any existing power amplifier, and was put into practice with MOSFET transistors, after having tested circuits with EXFET and bipolar transistors in long listening sessions. The fact that each of the two stereo channels is accommodated on its own printed circuit board, that the conductor tracks feature a particularly thick copper layer, and that grounding and voltage conductors are executed as copper rails, does not really surprise at all in view of the previously described elaborate solutions.

Even though this Strumento n°1 mk2 has already been played at some trade fairs, I offered it a week or two of refreshment on the grid to acclimatize in my listening room. In the meantime, I became familiar with its operation. After pressing the "Set" button, the level of each input can be varied by plus/minus 6dB in order to avoid volume jumps when switching between the inputs due to sources providing different output levels. In the next menu item, the inputs 1 and 2 have to be defined as balanced or unbalanced. Under "Direct" you are able to deactivate the volume control for an input of your choice destined for the operation of the Strumento n°1 mk2 in a multi-channel system—but who, for goodness sake, wants to ever connect such a fine high-end preamplifier to a home cinema system? The next step is "Edit," which offers the possibility to name the inputs individually. "Link" takes care of the configuration of trigger voltages, in order to switch other components in the audio system on or off together with the preamplifier. "Default" restores the factory settings. Last, but not least, you get the version number of the firmware displayed.

The RCA sockets are made by Furutech, while the RCA and XLR caps come from the Sieveking accessory range
The RCA sockets are made by Furutech, while the RCA and XLR caps come from the Sieveking accessory range

The display of the Strumento n°1 shows "DAVE," and I click through the relevant songs stored on the Melco's hard disks, which the Chord DAVE then provides as an analogue signal to the Audia Flight. However, with Muddy Waters' album Folk Singer, which was re-released by MFSL almost a quarter of a century ago, I rest quite a bit longer: a voice, two guitars, a bass and a minimalist drum set—really not that big challenge for a high-quality audio system. And yet I am struck by what the Strumento n°1 gets out of this well-known record. Initially there is this large, brightly illuminated recording studio, added by the sometimes mellifluous, sometimes explosive voice. The vigorously picked guitar strings pounce with a rarely heard vehemence. Willie Dixon's double bass mumbles along as usual due to the recording conditions, but rhythmically it still delivers with propulsion. And when now and again Clifton James kicks his bass drum; this happens with lots of pressure. Dynamics, speed, and clarity get combined by the Strumento n°1 with enthusiasm and vibrancy in an exceptionally harmonic way—and that without a single trace of cold analytics! Over the years, I am more and more weaned off associating design features or the technical data of a component with the sound impressions that I experience. But here the correlation between the preamp's short rise time and the playback's dynamics is virtually imposing. In any case, Einstein's The Poweramp and, without missing the slightest bit, the Kawero! Classic, are inspired by the output of the Audia Flight to new dynamic heights.

These compartments have been left empty: phono modules will be available next year
These compartments have been left empty: phono modules will be available next year


On the hard disk, I also come across a recording that a fairly long time ago I used as a CD every now and then for testing:  Les Cargos by L'Orchestre des Contrebasses. The waltz "Beret, Beurre, Cornichons" hasn't lost anything of its fascination—yeah, if my memory doesn't deceive me, it now sounds even more exciting. Not least because of the Strumento n°1, the seven voluminous performing basses act here with an enormous joy of playing and a virtual swinging lightness. But this is not to say that the basses here are lacking pressure or blackness - on the contrary: What excites me with the Audia Flight, is the combination of low-frequency impact and the smooth flowing of the melodies. For pure enjoyment I listen to the radio play for seven double basses: In "Week End a Deauville" they describe the car journey to a seaside resort, and after getting off the car the sounds of the sea: wind, crying seagulls, chugging marine diesels, the tooting of a ship's horn, and even the rattling of the rigs in the wind. The excellent fine detail resolution and the extraordinary transparency of the Strumento n°1 allow a clear view on the tremendous virtuosity of the septet in their creation of sound effects. While I am still intrigued by the squeaking of a big door slowly fading away, and while thinking about the further progress of the story, the initial intense impulses of "Vertigo" suddenly startle me. Oh no, you do not need to fear any further polemic words against too-short track intervals in modern CD recordings—as justified as that would be. The surprisingly cumulated bass energy for me is only a further evidence that the Audia Flight, besides its other enormous abilities, dynamically performs on highest levels.

Unlike its predecessor, the Strumento n°1 mk2 does not require a ventilator despite the amplifier stages operating in Class A mode
Unlike its predecessor, the Strumento n°1 mk2 does not require a ventilator despite the amplifier stages operating in Class A mode

Lots of speed, openness, and differentiation could theoretically, of course, be a little too much of a good thing. Therefore, I briefly give Van Morrison's "Whatever Happened to PJ Proby?" a listen, which has proven to be a bit critical in the presence range during my testing of the terrific Diapason Astera. With the Strumento n°1 paired to The Poweramp and the Kawero! this now is no longer in question. The quite open-hearted presence range now faces a proper lusciousness in the lower frequencies, as the the Kawero!s very well make clear. No, the Audia Flight performs in an extremely fast, open, and enthusiastic way, but tonally still behaves in a sonorous, pleasant, and minimally warm way within the sound spectrum. It's just marvelous! Even if the preamp goes about it too honestly to be blamed for playing too euphonically, it does not belong to that excessively analytical preamplifier types that make listening to every lower-quality recording a pain. It does reveal the weaknesses of a recording, but it does not spoil the musical enjoyment: This is an extremely successful approach, which rarely is to be found.

The circuit boards are shielded by these plates; the drill holes allow for the required air circulation
The circuit boards are shielded by these plates; the drill holes allow for the required air circulation

Over the last few weeks, I have exclusively been working with the Audia Flight, enjoying music for pure relaxation—without missing the slightest bit. Nevertheless, I should briefly compare it with Einstein's The Preamp, so that you are able to better classify my sound description so far: When playing Patrice Heral's mandatory percussion improvisation recorded in the monastery of Noirlac, the Einstein suggests a somewhat deeper spatial image. The seven basses in "Beret, Beurre, Cornichons" appear to be prancing slightly more fleet-footed over the minimally slender Strumento n°1. The intense beginning of "Vertigo" with the Einstein is at least as exciting as with the Audia Flight. Van Morrison's album Down The Road can be played a bit louder with The Preamp, while grooving more intensely. The positioning of the instruments in the imaginary space and their demarcation against each other, on the other hand, are delivered by the Strumento n°1 with a little more precision. Regrettably, the listening impressions correspond exactly to the general stereotype: The tube preamplifier performs with a few percent more of emotion; its solid state counterpart plays with a bit more of transparency. Here the individual taste has to take over the decision. Both amps differ sonically only in shades, but have in common that they operate on an extremely high level. I really could be happy with either!


The filter capacitors are mechanically soothed. The plate is intended to also take effect against electromagnetic interference
The filter capacitors are mechanically soothed. The plate is intended to also take effect against electromagnetic interference

STATEMENT

Audia Flight's mk2 version of the Strumento n°1 presents itself as a near-perfect high-end preamplifier: In an absolute convincing manner it combines apparently unlimited dynamic abilities, tremendous attention to detail and precise transparency with a coherent tonality. Vibrant sound colors and a rock solid bass foundation ensure that even lower-quality recordings always remain enjoyable, despite the amp's high resolution and bright space imaging capabilities: This really is the finest Italian engineering and craftsmanship, created for a great musical experience!
Listened with
NAS Melco HA-N1ZH60, WDMyCloud
Streaming Bridge Auralic Aries Femto mit SBooster BOTW P&P Eco
D/A converter Chord DAVE
Turntable Brinkmann LaGrange w/ tube power supply
Tonearm Thales Simplicity, AMG 12JT Turbo
Cartridge Lyra Olympos, Transrotor Tamino
Phono preamp Einstein The Turntable‘s Choice (sym)
Preamp Einstein The Preamp
Power Amp Ayon Epsilon mit KT150, Eintein The Poweramp
Lautsprecher Ayon Epsilon w/ KT150 tubes, Einstein The Poweramp, Kaiser Acoustics Kawero! Classic, LumenWhite DiamondLight
Cable HMS Gran Finale Jubilee, Swiss Cables Reference Plus, Goebel High End Lacorde, Habst Ultra III, Audioquest Diamond and Carbon, Cardas Audio Clear Network
Accessories PS Audio Power Regenerator P5, Clearaudio Matrix, Sun Leiste, Audioplan Powerstar, HMS wall sockets, Acapella bases, Acoustic System feet and resonators, Finite Elemente Pagode Master Reference Heavy Duty and Cerabase, Harmonix Real Focus and Room Tuning Disks, Audio Exklusiv Silentplugs
Manufacturer's Specifications
Audia Flight Strumento n°1 mk2
Inputs 2 balanced XLR and/or unbalanced RCA ; 3 balanced XLR only
Outputs 2 balanced XLR and 1 unbalanced RCA
Gain range -90 dB / +10 dB
Gain resolution 0.5 dB
Frequency response (1W RMS -3dB) 1 Hz ÷ 1 MHz
Slew-Rate > 200 V/µS
THD < 0,05 %
S/N Ratio 105 dB
Input impedance 10pF 15 kOhm balanced or unbalanced
Output impedance 5 Ohm
Main voltage AC (50-60Hz) 100, 110-115, 220-230,240 V
Stand-by Power consumption less than 0,5W

Nominal Power consumption

90W
Dimensions and weight 450x120x450mm (W x H x D) - 28kg
Shipping dimensions and weight 580x300x580mm (W x H x D) - 40kg
Retail 12500 Euro
Distributor
Sieveking Sound GmbH & Co KG
Contact person Jan Sieveking
Address Plantage 20
28215 Bremen
GERMANY
Phone +49 421 6848930
Email kontakt@sieveking-sound.de
Web www.sieveking-sound.de

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  • Imagefolder tests/16-12-05_audiaflight

Es ist immer wieder beeindruckend, auf der High End die absoluten Top Produkte live zu erleben. Ich war heuer auch auf den Norddeutschen Hifitagen in Hamburg und von dieser Messe durchaus angetan. Nicht nur als echter Münchner komme ich aber zu dem Ergebnis, dass an die High End weiterhin nichts herankommt.

Gerade in Topsegment werden aber mittlerweile Preise aufgerufen, die mitunter nur noch Oligarchen bezahlen können. Dennoch gab es auch unzählige gute Vorführungen mit bezahlbaren Komponenten und interessante Produkte von Newcomern. Fairerweise muss ich aber auch gestehen, dass mich besonders edle und damit einhergehend auch leider teure High End Geräte besonders anziehen…

 

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  • Imagefolder events/17-05-24_highend

Einen gravierender Unterschied zu den High-Ends der letzten zwei Jahre ist die erheblich ansprechendere akustische Qualität der Präsentationen. Es tauchten zwar hier und da die bekannten, alten Vorführ-Kamellen auf. Dem gegenüber standen reichlich Demonstrationen in sehr angenehmer Lautstärke und mit Musikstücken, die zum Sich-Hinsetzen und Lauschen einluden.

Diese Highend stand erstmalig seit einer gefühlten Ewigkeit nicht unter der Ägide von Branko Glisovic, der zum Ende des letzten Jahres in den verdienten Ruhestand ging. Das Sagen auf dieser größten Hifi-Show der Welt hat seitdem Stefan Dreischärf, der neue Geschäftsführer der High End Society Service GmbH. Änderungen im Erscheinungsbild der High End gibt es wenige, so zum Beispiel kleine Inseln in den Atrien von Halle 3 und Halle 4, in denen sich auch Namen wie Melco oder Qobuz präsentieren. Aus meiner Sicht ist das Angebot an Produkten wieder so vielfältig, dass die vier Tage nicht wirklich reichen, um sich eingehend mit allem zu befassen. Die Präsentationen und Produkte, die ich vorstellen möchte, sind nach subjektiven Kriterien ausgewählt. Nicht gekümmert habe ich mich um Aussteller mit donnernd lauten Vorführungen – davon gab es, wie gesagt, nur sehr wenige. So bietet die High End in diesem Jahr einen sehr hohen Wohlfühl-Faktor.

 

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  • Imagefolder events/17-05-21_highend

Deutlich kleiner aber kein bißchen anspruchsloser als die vergangenen Jahre wartet parallel zur HIGH END die Hotelmesse hifideluxe auf. Und auch diese ist nicht vor unserem Lichtbildexperten Helmut Baumgartner sicher. So hat er dort genau wie gestern auf der HIGH END einen ersten Messerundgang mit seiner Kamera eingefangen. Wer den Weg ins Marriot also noch nicht gefunden hat, dem sind zwei Dinge ans Herz zu legen: Erstens ein Gebot zur Eile, weil die hifideluxe bereits am Samstagabend die Pforten schließt, und zweitens der hier folgende Messerundgang mit Helmut Baumgartner.

 

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  • Imagefolder events/17-05-19_hifideluxe

The same procedure as every year? Im Ergebnis vielleicht, nicht aber in der Ausführung. Denn jedes Jahr handelt es sich um eine neue Herausforderung, der sich unser Fotograf Helmut Baumgartner stellt - nämlich einen nahezu vollständigen Messerundgang der Münchener Show in Bildern einzufangen. Also lehnen Sie sich zurück, genießen Sie die ersten Eindrücke und stellen Sie sich vor, Sie wären selbst vor Ort gewesen. Weitere Messeberichte von unseren Autoren folgen dann übrigens in den nächsten Tagen.

 


 


 


 


 


 


 


 


 


 


 

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  • Imagefolder events/17-05-19_highend

Die akademische Ausbildung meiner von mir sehr geschätzten Nachbarn ist umfangreich. Einem Physikstudium schloss sich ein Studium der Mathematik an. Und nach den vielen Jahren in den Tempeln des Wissen basiert ihre Weltsicht fast ausschließlich auf Fakten. Liebe Freunde des gehoben Musikgenuss, Sie ahnen, wieso dies die einleitenden Worte zu einem Test über ein Netzkabel sind. Konkret geht es um die Powercord betitelte Stromverbindung aus dem Hause Audio Exklusiv.

Die Fakten für die Netzspannung lauten für ganz Europa: 220 Volt ±23 Volt bei einer Netzfrequenz von 50Hertz. An meiner Netzleiste im Hörraum sind es 223 Volt, egal wo der Stromprüfer misst, damit ist die Norm perfekt umgesetzt, besser kann es doch nicht werden!? Dessen ungeachtet experimentieren wir audiophilen Zeitgenossen mit den unterschiedlichsten Netzkabeln, um so die letzten ungewollten Misstöne aus der wohlklingenden Musikanlage zu verbannen. Eine Erprobungslust, die meine rationalen Nachbarn bestenfalls erstaunen würde, wohlmöglich fielen ihre wohlgesetzten Worte aber auch drastischer aus.

Jedoch lichtet sich der Nebel aus Unverständnis bei der nähern Betrachtung der theoretischen Grundlagen. Netzkabel sind eben keine unauffälligen Dienstleister, die Elektronen völlig neutral von A nach B fließen lassen. Tatsächlich hat jeder stromduchflossene Leiter – wir klammern an dieser Stelle die tiefgekühlten Supraleiter aus, wer will schon bei bestenfalls -200 Grad Musik hören – einen ohmschen und einen induktiven Widerstand. Insbesondere der induktive Widerstand korreliert mit der Höhe des Stroms, der abgefragt wird. Und da selbst mittelgroße Verstärker impulshaft bis zu zehn Ampere verlangen, ist die einhergehende Widerstanderhöhung und der proportionale entstehende Spannungsabfall am Entnahmeplatz ein relevanter Tatbestand. Denn dort entstehen aufgrund der divergierenden Leistungsansprüche der restlichen Musikanlage Differenzspannungsstörungen. Bedeutsame Störungen, da die verschiedenen Komponenten nicht nur an der Spannungsversorgung miteinander agieren, sondern daneben über ihre signalführenden Verbindungen. Auftretende Spannungsdifferenzen gleichen sich nämlich über diese NF-Leiter aus. „En voila“ damit sind wir mitten im Signalweg. Zu allem Überfluss werden diese elektrischen Impulse, mit all ihren Inkorrektheiten, auch noch mächtig verstärkt, bevor sie die Lautsprechermembranen erreichen.

Der Stecker lässt vermuten, dass man es mit einem deutlich teureren Kabel zu tun hätte
Der Stecker lässt vermuten, dass man es mit einem deutlich teureren Kabel zu tun hätte

Daneben haben Netzleitungen durch ihren induktiven Widerstand eine filternde Wirkung, wiewohl deren Wirksamkeit nicht an spezialisierte Netzfilter heranreicht. Physikalisch lassen sich zudem Auswirkungen durch Induktion – Netzkabel in der Nachbarschaft – oder Elektrosmog nachweisen. Im Kern aber ist die Reduzierung der verschiedenen Widerstände der Königsweg zu einem guten Netzkabel. Also Zweifler und Nachbarn lasst Euch sagen, ein gutes Stromkabel ist mitnichten eine sinnlose Zutat für den Wohlklang.

Gänzlich unverdächtig, unausgereifte Produkte auf den Markt zu bringen, ist die Traditionsfirma Audio Exklusiv mit Sicherheit, gilt es doch, den über Jahrzehnte gereiften untadeligen Ruf als Brutstätte von erstklassigen Audiogeräten – die Range reicht von der digitalen oder analogen Quelle bis hin zu den legendären elektrostatischen Lautsprechern – zu bewahren. Eine Seriosität, die schon bei der Preisfindung der Powercord Verbindung im Wortsinne greifbar wird. Das Kabel ist exzellent verarbeitet, die Stecker rasten knackig ein und die rhodinierten Kontakte – Rhodium ist sehr korrosionsbeständig, zudem verträgt die zähe Versiegelung häufiges „Steckerziehen“ problemlos – garantieren, dass die gute Leitfähigkeit mit einen kleinen Übergangswiderstand dauerhaft erhalten bleibt. Nicht nur die Außenummantelung besteht aus Gummi sondern auch die Isolation der drei stromführend Leiter. Elektrostatische Aufladungen haben so keine Chance. Für den freien Fluss der Atome sorgen mit 2,5 Quadratmillimeter Durchmesser vernünftig dimensionierte Kupferleiter. Mit einem Preis von unter 180 Euro ist das Netzkabel äußerst fair kalkuliert. Ich habe schon deutlich schlechter gemachte Kabel in den Händen gehalten, die ein vielfaches kosten sollten.


Die Vorstufe mit dem integrierten Streamer sowie die Endstufe wurden auserkoren, die Unterschiede herauszustellen. Musikalisch stand das aktuelle vorzügliche Album Zarabi der marokkanischen Sängerin Oum im Mittelpunkt des Hörtest. Rory Gallagher mit seinem Meisterwerk Irish Tour 74 vertrat Irland im Showdown und der gute alte Johann Sebastian Bach vervollständigte wieder einmal mit „Nun komm, der Heiden Heiland“ die Playlist. Während der Hörprobe wurden die ausgephasten Bausteine direkt mit der Netzleiste verbunden – die vorhandenen Netzfilter waren damit nicht mehr im Einsatz. Dem Netztuning beraubt und mit den Beipackstrippen verkabelt, klang es aus den Lautsprechen fast schon ein wenig garstig. Um so deutlicher die Besserung des Vortrages als die Audio Exklusiv Powercords den Platz des Stromlieferanten einnahmen. Ganz gleich, welche Musikrichtung angespielt wurde, die tonale Balance war eine andere. Die Vorstellung geriet in den Mitten opulenter, daneben harmonisierten sich zuvor harsche Färbungen wohltuend. Dabei kommt es weder zu einer „Andickung“ der Darbietung, noch zu einem Verlust der Auflösung – es tönte einfach souveräner. Und das gilt sowohl für den Einsatz der Powercords an der Vorstufe, als auch bei Verwendung am Leistungsverstärker uneingeschränkt. Ein schönes Beispiel für die Einheit von Theorie und Praxis.

Das Netzkabel von Audio Exklusiv überzeugt optisch wie klanglich
Das Netzkabel von Audio Exklusiv überzeugt optisch wie klanglich

STATEMENT

Auch der letzte Meter von der Steckdose zum Audiogerät ist klanglich relevant. Das Netzkabel Powercord von Audio Exklusiv beweist diesen Umstand in der Testanlage überzeugend. Wenn Sie auf der Suche nach einem gutgemachten, bezahlbaren Netzverbindung sind, dann unbedingt ausprobieren.
Gehört mit
Phono AMG Laufwerk & Tonarm, Ortofon black
Computer Audio NAS-Laufwerk Qnap HS 210, Minim Server, Router Speedport W 724 V
Streaming Server Minimserver
Steuerung Lumin für Apple iPad, Linn Kazoo
Netzwerkspieler, Vorverstärker Linn Majik DSM
Endverstärker Linn Majik 2100
Lautsprecher Naim Audio Ovator 600 / QUAD ESL 63
Kopfhörerverstärker Lake People G 100
Kopfhörer-Vergleich Sennheiser HD 800
Netzaufbereitung Furman Elite-16 Power Factor E i
Kabel Monster Cable LAN, Linn NF, Naim Audio Lautsprecherkabel, Netzleiste Music Line
Möbel Phonosophie Tripod
Herstellerangaben
Audio Exklusiv Powercord Netzkabel
Schutzkontaktstecker stabiles resonanzarmes Gehäuse, Kontakte rhodiniert
Kaltgerätkupplung weiblich Kontakte rhodiniert
Kabellänge Netzkabel 150 cm, weitere Längen (in 25 cm Schritten) sind auf Anfrage und gegen Aufpreis erhältlich
Preis 180 Euro

Hersteller/Vertrieb
Audio Exklusiv
Anschrift Andreas Schönberg
Sudetenstrasse 11
63691 Ranstadt
Telefon +49 6041 9624217
Fax +49 6041 9624218
E-Mail info@audioexklusiv.de
Web www.audioexklusiv.de

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  • Imagefolder tests/17-05-17_audioexklusiv
Mittwoch, 16 Mai 2007 06:43

BLOCKAUDIO s.r.o.

Hersteller
BLOCKAUDIO s.r.o.
Anschrift Vodární 1179/1A
779 00 Olomouc
Tschechische Republik
Telefon +420 604 514 282
E-Mail ms@blockaudio.com
Web www.blockaudio.com

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