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STERN & Heisenberg review in the „Stereo Times“

Stereo Times Test STERN HEISENBERG
„The bass was quick-footed, articulate and most importantly it conveyed a musicality that belied both its size and build. All I could say was DAMN! Ironically, instead of more powerful, the system appeared more relaxed and resolving – as if the added wattage aided in providing less stress and more realism. In a sense, it sounded as though the Heisenberg/Stern combo took full control of the massive YG XV’s many individual drivers and made them a single source. The very look and feel bespoke „state of the art“ throughout while the sound is powerful and taut, yet elegant and ultra-refined. Voices hover above the floor at the right height and size but elicit a sense life that’s quite uncanny for a solid-state design. Music just flowed into this huge listening space in way that it had not in the past. It made the room seem smaller and more intimate. Weird. This made it somewhat difficult to concentrate on anything except the music. What higher accolade is there when a system can achieve that? I don’t know what else to say except that listening to the Audionet Heisenberg and Stern combination was truly an adventure!“

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STERN & Heisenberg review in the „absolute sound“

the absolute sound Test STERN HEISENBERG
„We chose to listen exclusively to LPs for this audition. I got to spend the entire day listening to this remarkable system, and virtually every LP we played (I had a dozen of my own favorite records with me) left me astounded. From the moment the needle landed in the groove, the utter naturalness of the presentation became apparent. I was hearing subtleties of hall and performance ambiance that I’d never before heard in all my years of listening to this LP on literally hundreds of systems. Transients were crisper, more sharply and accurately delineated, tone color and texture were astonishingly accurate, and every aspect of the presentation was depicted with full, honest bloom, accurate weight, and ample body. Dynamic scaling was spectacular, and I was overwhelmed by the degree of ambient detail conveyed. Both of these characteristics coexisted in equal measure; neither showed compromise. An absolute revelation of the musicians’ spatial relationships within the soundstage and of vibrant, faithful timbre. And the rhythmic pace, the timing and drive of the music, had never sounded more frenetic! The Stern linestage and Heisenberg monoblocks push the bar to previously unattainable levels. In short, the combination of the Audionet Scientist Series Stern linestage and Heisenberg monoblock amplifiers establishes a new benchmark.“

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STERN & Heisenberg review in „Hi-Fi+“

Hi-Fi+ Test STERN HEISENBERG
„What is more, low-level textural, transient, and timbral details were rendered in a more complete and holistic way and with a heightened sense of focus and nuance. As a result, the voices of instruments and human singers became at once more natural sounding, more pure, and more focused. The sheer effortless clarity I heard was unlike anything I had heard from any hi-fi system in the past, and as a result, large-scale choral and orchestral works took a quantum leap forward in overall intelligibility and lucidity. Even more depth, more focus, and much more bass detail, yet that is exactly what the Stern/Heisenberg electronics delivered. Third, (and perhaps this come as no surprise) the extremely powerful Heisenberg amplifiers (1,050 watts @ 4 ohms) gave the system a certain “ceilings unlimited” quality in terms of dynamics. In fact, I suspect the Heisenberg might just be the most fleet-footed and agile audio amplifier I’ve ever experienced. Two major benefits of the Stern/Heisenberg package are these: first, the strengths of ancillary components seem greatly magnified by the Audionet electronics, and second, with the Audionet components in play recordings can be explored in much greater depth and with more insight than listeners might have thought possible. The bottom line is that Stern and Heisenberg have, in my opinion, raised the performance bar for high-end audio electronics.“

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STERN & Heisenberg review in „Positive Feedback“

Positive Feedback Test STERN HEISENBERG
„The Heisenberg and Stern have a serious, we’re-not-playing-around, visual that will stop you in your tracks with their scale, cosmetics—and ambition! Both units are encased in nearly identical aluminum chassis of flawless German metalwork (by German design legend Hartmut Esslinger). The Stern has already been placed in the Smithsonian’s National Gallery of Art. The Stern has got to be one of the largest preamps on the planet. Why so much real estate? I was told the interior is chock-a-block with circuitry. It boasts some amazing specs. There’s more: more tone, more timbre and, most especially, triumphantly, the grandest dynamic peaks I’ve encountered in residential audio. I’m always fiddling with or critiquing tonal balance—it’s rare to find a system that leaves me with no complaint—but with this rig I didn’t want to change a thing. The tone was BIG, with 100% saturation, and striking in its uniformity from top to bottom. The treble was sweet and extended, but never harsh, and certainly not of a quality I associate with solid-state. The mids were clean; the bass full, round and tight. All of uncommon purity. Yay! The tone showed no compromise. The instruments on The Blues and the Abstract Truth grew from ff like you get with other über components, and then pushed beyond that to full fff, where no amp has gone before. Edge-of-the-art for what’s possible in audio reproduction.“

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STERN & Heisenberg Test i-fidelity

i-fidelity Test STERN HEISENBERG

 
„Das ist eine akustische Machtdemonstration, die ich mir in meinen kühnsten Träumen nicht ausgemalt hätte – einfach sagenhaft. … Gleich in mehrfacher Hinsicht sprengt dieses Trio Konventionen, Klangqualität und Preis fallen definitiv darunter. Die reizvolle … Formgebung von Hartmut Esslinger und das Maß innovativen Hightechs aus der Audionet-Entwicklungsschmiede gehen in diesem Triumvirat eine leidenschaftliche Symbiose ein, welche mir eine echte Herzensfreude bereitet hat. Dass die Komponenten die Namen von Nobelpreisträgern tragen, tut der Sache keinen Abbruch, denn Otto Stern und Werner Heisenberg wären sicher stolz darauf, als Namenspatrone für die neuen i-fidelity.net-Referenzen zu bürgen.“

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i-fidelity Test STERN HEISENBERG

 
„With the Stern preamp and the Heisenberg mono blocks, Audionet chimes in a new chapter of amplifier building. In more than one respect this trio is blasting conventions; sound quality and price fall definitely within. The attractive … styling by Hartmut Esslinger and the extent of innovative hightech from Audionet’s R&D department form in this triumvirate a passionate symbiosis which brought me a true joy of heart. … the new i-fidelity.net references.“

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Read the review online…

 

 

PLANCK und AMPERE Test Audio Flatscreen Journal

Audio Flatscreen Journa Test SPLANCK und AMPERE

 
„Phänomenal, großartig – ich knie nieder vor solch einer Ingenieursleistung. In dieser Kombination dürfte die Digitalkombi auf lange Sicht zum Besten vom Besten gehöen. Nicht nur der Klang markiert die Spitze des Möglichen, auch die Wertstabilität profitiert.“

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STERN & Heisenberg Test hifi&records

hifi&records Test STERN HEISENBERG

 
„Nie zuvor gehörte Souveränität … Ein neues Kapitel im Verstärkerbau … Die drei Türme agieren klanglich, musikalisch und ästhetisch in einer neuen Liga“

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hifi&records Test STERN HEISENBERG

 
„Unheard-of-supremacy… A new leaf in the book of ampbuilding… Soundwise, musically and aesthetically the three towers are performing in a different league, a new class that needs no other superlative.“

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STERN and Hartmut Esslinger honoured with NATIONAL DESIGN AWARD.

 

Press Photos:

Hartmut Esslinger und Audionet Heisenberg
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Hartmut Esslinger with Audionet Heisenberg.

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© Audionet / John McNeil Studio

Audionet Stern und Heisenberg
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Audionet Stern and Heisenberg.

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© Audionet / Frank Jerke

Audionet Stern
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Audionet Stern.

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© Audionet / Frank Jerke

Audionet Stern black
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Audionet Stern.

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© Audionet / Sebastian Bork

 

Audionet Stern
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Audionet Stern.

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© Audionet / Frank Jerke

Audionet Stern
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Audionet Stern.

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© Audionet / Frank Jerke

Audionet Heisenberg
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Audionet Heisenberg.

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© Audionet / Frank Jerke

Audionet Stern
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Audionet Stern.

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© Audionet / Frank Jerke

 

Audionet Heisenberg
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Audionet Heisenberg.

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© Audionet / Frank Jerke

Audionet Stern
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Audionet Stern.

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© Audionet / Frank Jerke

Audionet Heisenberg
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Audionet Heisenberg.

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© Audionet / Frank Jerke

 

 

Audionet HIGH END Munich 2017

 

 

WATT and PLANCK Test Stereo 01/2017

Stereo 1/2017 Test WATT PLANCK

 
„Der Planck spielt CDs auf einem Niveau, das derzeit schwer zu übertreffen sein dürfte. Leicht, flüssig und musikalisch, aber auch sauber und druckvoll reproduziert er jegliche Musik. Und er wandelt digitale Daten in Weltklassemanier. Einer für die Insel! […] Was für ein Pfund. Vielleicht der beste Verstärker, den Audionet je gebaut hat. Mit ziemlicher Sicherheit aber der Musikalischste, der je die Werkshallen verlassen hat. […] Fazit: Nie sahen Audionet-Geräte besser aus, nie klangen sie besser!“

Endurteil: Klang-Niveau 100%!

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Stereo 1/2017 Test WATT PLANCK english

 
„In the listening room the Berliners showed no mercy to either the connected loud speakers or with the various competitors we ranged against them. […] The conclusion is simple: Audionet equipment has never looked better – nor sounded better!!“

Sound Quality: 100%!

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PLANCK Test i-fidelity.net

i-fidelity Test PLANCK

 
„Überragend. Stellt alles in den Schatten, was Compact Dics dreht. […] Kompositionen offenbaren wegen der feindynamisch und zeitlich überaus präzisen Wiedergabe ihre ganze Vielfältigkeit. […] Der Planck zeichnet sich durch Musikalität auf allerhöchstem Niveau aus, spielt unfasslich entspannt, mit hingebungsvoller Präzision und durchdringender Strahlkraft.“

Endurteil: Referenz.

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i-fidelity Test PLANCK english

 
„SUPERB. Outshines anything else that handles compact discs. […] Compositions that appear quite one-dimensional on the face of it, reveal all their complexity now, because of the extremely accurate reproduction in terms of micro dynamics and timing. […] The Planck’s performance is like an event horizon, from which there is no escape. Also time vanishes in it, but that doesn’t matter, since such musical experience is a constructive use of time.“

Reference!

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WATT Test hifi&records

hifi&records Test WATT

 
„WATT sorgt für eine Offenheit und Kraft in der Wiedergabe, die ich zuvor nicht gehört habe. […] Von der Art der Wirkung entspricht das dem belebenden Gefühl beim Genuss eines Espresso oder eines frisch gepressten Orangensafts. Auf den WATT übertragen bedeutet das, dass er die Musik nicht bloß verstärkt, sondern sie ehrlich und emotional zum Klingen bringt. Der WATT zeichnet die Instrumente nicht nur in glaubhaften Klangfarben, sondern er fügt ihnen eine körperhafte Griffigkeit hinzu, die ich sonst nur von sehr großen Vor-/Endstufen-Kombinationen […] kenne. Was die Art der Wiedergabe zudem reizvoll macht, ist seine klangliche Charaktereigenschaft, die fulminante Energie nicht mit Ecken und Kanten in den Lautsprecher zu pressen, sondern mit einer organischen Geschmeidigkeit, die viele potente Verstärker nicht einmal ansatzweise zeigen. […] Mit naturgetreu und realistisch ist das Klangbild des WATT an dieser Stelle korrekt beschrieben, es riecht sogar noch nach frischer Farbe.“

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hifi&records Test WATT english

 
„WATT delivers a forthrightness and power in music reproduction, that I have never heard before. […] It does not only amplify the music but brings it to a sound alive, absolutely truthfully and emotional. WATT is painting any instruments in hardly believable tone colours. And it does add a spatial volume and grip, which I have so far only heard by huge pre-/power amplifier combinations. The delightful way it is performing playbacks is characterised not by pressing the sound into the speakers, but by delivering it with an organic lightness, which most other powerful amplifiers are not able to perform at all. […] True-to-life and realistic does describe the WATTs sound characteristics very well.“

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Audionet GERMAN BRAND AWARD 2016

 

Press Photo:

Thomas Gessler und Jan Geschke
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Thomas Gessler & Jan Geschke,
German Brand Award 2016,
Audionet Pressefoto

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