Loudspeaker made of one piece

When we started developing our loudspeakers, we first questioned everything that distinguishes a modern high-end speaker.

And we have set ourselves a high goal to come as close to our ideal of absolutely perfect sound reproduction as never before: the construction of the world’s first and only loudspeakers with a perfectly perfect housing for an incomparable Sound.

In the meantime, we have far exceeded our goal and created with APOLLO, ARDORA and CALORA three breathtakingly timeless feats with hitherto unmatched sound fidelity. With every pair of loudspeakers, we offer you an all-round complete masterpiece, which is hand-made with a revolutionary and globally unique manufacturing process in our Aachen high-end manufactory.

Technical refinements and true world novelties can not only be seen and measured at AUDIOGRADE, but above all one thing: hearing and experiencing. Because, as we know, the music begins where the language ends. With this in mind, we wish you an revealing listening experience when rediscovering your music with the world’s first speakers from a cast of AUDIOGRADE.

Wolfram Szentiks
CEO & Chief Developer

Solid as a rock

Groundbreaking design principle for unparalleled sound fidelity

The principle is very simple: a perfect loudspeaker reproduces a record exactly as it was recorded. No more and no less. In other words, unlike a musical instrument – where the vibrating corpus lends its unmistakable sound to a Stradivarius – a loudspeaker housing does not produce its own vibrations, but only reproduces the music through its sound membranes: a complex Challenge that even elaborately constructed wooden speakers cannot withstand and audibly impair the original sound.

AUDIOGRADE therefore relies on a rock-resistant and vibration-free cast-iron housing that doesn’t get anything out of the way and gives you a pure sound experience with an incomparable level of transparency and gripping vibrancy.

PolyGrade™

Reference sound due to vibration-free cast housing made of polymer concrete

The choice of housing material also strictly follows our ideal of an uncompromising reference speaker. Our secret recipe: PolyGrade™ polymer concrete – a special blend that has matured and perfected over many years with an all-important advantage over wooden speakers: PolyGrade™ is many times more massive and gives all AUDIOGRADE speakers a lot more sensational resonance and vibration poverty – an essential quality criterion for an authentic and high-resolution high-end loudspeaker with maximum attention to detail.

SSX™ Sweet Spot Expansion

World’s first all-ceramic sound guide for superior room sound

A sweetspot is a small listening area in which you can enjoy the full enjoyment of a high-quality sound reproduction. AUDIOGRADE’s unique SSX™ Sweet Spot Expansion technology delivers an all-round excellent listening experience with an impressive expansion of this sweet spot – even in larger rounds. Thanks to the dual Waveguide sound guidance in the medium and high-frequency range, the SSX™ module, which is precisely designed for all AUDIOGRADE loudspeakers, enables an ultra-precise and at the same time homogeneous sound with defined spatiality and maximum naturalness – even in acoustically unfavourable rooms.

Timeless, One-of-a-kind design

All AUDIOGRADE loudspeaker models embody sensational world innvovations and technical refinements that can be clearly seen and measured.

But first and foremost come hearing and experiencing – because music starts where speech ends.

With this in mind, we invite you to discover your music again for the first time – with an unparalleled listening experience on the world’s first loudspeakers created from a single, seamless mold.

Timeless, One-of-a-kind design

All AUDIOGRADE loudspeaker models embody sensational world innvovations and technical refinements that can be clearly seen and measured.

But first and foremost come hearing and experiencing – because music starts where speech ends.

With this in mind, we invite you to discover your music again for the first time – with an unparalleled listening experience on the world’s first loudspeakers created from a single, seamless mold.

Apollo

Ardora

Calora