Vienna Acoustics Beethoven Baby Grand Reference Floorstanding Speaker

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We love crafting loudspeakers. We always know that every piece will arrive at your home according to our latest highest standard of technology and performance abilities. For ALL kinds of music, no matter what your musical preferences are.

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We love crafting loudspeakers. We always know that every piece will arrive at your home according to our latest highest standard of technology and performance abilities. For ALL kinds of music, no matter what your musical preferences are.

We don’t believe in changes just for the sake of changing. When our founder and designer Peter Gansterer creates a new speaker line, there is always a pioneering and profound technical reason for it.

First there is the vision. Then there is the exploring of options how to realize the idea. Then the realizing of technical feasibilities and their sorting out.

And then there comes the time of listening to the myriad of combinations, as each part has its individual tone colour. Years of it.

And when the new speaker is presented, the inner circle of Vienna Acoustics and friends is listening for the first time and something changes.

It’s the moment when a 30 year old jazz record of Tuck & Patti, which you know inside out since decades, brings tears to your eyes, on the strength of the crystal clear, reradiated, natural intensity.

It’s the moment when you lose your temper in a drum solo, electrifying the space around you. To the point.

It’s the ease and precision the Vienna Philharmonic Orchestra, straight from the Viennese Musikvereinssaal, assemble in your living room for a private audience.

Then you know a new level is reached and we sincerely want to share it with the whole world.

The Revelation of the Unexpected.

Listening for the first time to our new BEETHOVEN Baby Grand REFERENCE leaves you breathless with a few burning questions: How on earth is this slim beauty able to create such a soundstage? Where is the hidden subwoofer? And where does this intensity come from?

At the heart of the design stand our brandnew spidercone drivers, one 6 inch midrange and two 6 inch woofers, all with our patented flat spidercone within a new construction, consisting of 2 distinct cones – the all new Composite Cone.

The plane surface of the spidercone offers the advantage of precise, piston-like movement. Any diaphragm should move in and out as one unit, not as a quivering mass of uncorrelated vibrations. It should move as a perfectly-solid piston.

The flat cone is extremely stiff, with bracings of a height of 18 mm (bass) and 14 mm (mid), yet light, respectively, further reinforced by glasfibers in our new X4P mixture.

The rearside bracings are constructed in a way that the whole impulse energy is allocated evenly via the whole surface of the flat cone. Every square centimeter delivers the same impulse as its neighbours, which results in revolutionary impulse response control.

As our cone/diaphragm-construction builds upon a very large voice coil, the radiating surface in its middle is large, thereby making it an significant sound determinant. The countless listening testings brought forth such an unexpected unique combination the we gave it a new name, the Composite Cone.

The 5 cm area is now an inverted dome made of woven fabric, double-coated on its rearside. Perfection was achieved by listening to various axial positions, with extraordinary homogenous results by employing a recessing of 8mm.

The sum total of the features of the Composite Cone is a peerless symbiosis. Furthermore, one of the reasons why the woven fabric center cone interacts so nicely, is its affinity to the fabric material of our highly musical, hand-coated silk dome tweeter, designed by Vienna Acoustics, hand-crafted by a Scandinavian team of specialists.

Like its grander companion, BEETHOVEN Baby Grand REFERENCE features our new, exclusive handcoated silkdome tweeter, which reveals even the slightest nuances with natural ease, while extending well down into the midrange regions.

The result of this carefully chosen combination creates a milestone in terms of naturalness, clarity and ease of reproduction.

The crossover circuitry possesses both, the elegant simplicity of soft filters – pure first-order, 6 dB per octave slopes to Bessel second order – and the essential complexity resulting from listening, needed to weave dexterously the drivers’ output into a cohesive system.

All decisions concerning individual components and the layout of the circuitry were as always made through extensive listening tests. Specially selecting each component results in a harmonious musicality, while a sophisticated layout helps in clarifying instrumental timbres.

The tradition of unrivaled finish quality continues with BEETHOVEN Baby Grand REFERENCE, providing the warmth and beauty of real wood, as well as the highest standards in true piano lacquer finish.

Not apparent to the eye, but all the more important to complete the homogenous whole, is the scientifically balanced bracing structure, as well as the absolutely airtight separate enclosure for the Composite Cone midrange driver.

Extensive listening comparisons and tests by our founder and designer Peter Gansterer constitute the core of the crossover’s sophisticated layout and result in uncomparably musical harmony and power, instantly apparent when turning on this outstanding speaker.



  • 4 Ohms

Frequency response

  • 33 – 23000 Hz


  • 89 dB

Recommended Amplifier

  • 40 – 300 Watts

Drive Units

  • 6″ Woofer (2) Composite Cone: Flat X4P Spidercone with recessed fabric center-cone
  • 6” Midrange Composite Cone: Flat X4P Spidercone with recessed fabric center-cone


  • 1.1″ Hand Coated Vienna Acoustics Silk Dome

Bass System

  • Bass Reflex

Bass Function

  • Impulse Optimizing QB 3 (Quasi-Butterworth)

Crossover Components

  • Polypropylene Capacitors, 1% tolerance, Coils 0,7% tolerance, Midrange/Tweeter Section Air Coils, Special Powder Core for Bass Section, Metal Film Resistors 1% tol., Inductance Free

Crossover Function

  • 3-way, 6 dB and 12 dB Bessel

Weight per Pair

  • 52 kg / 115 lbs

Dimensions (W x H x D) inches

  • 7,2 x 40,4 x 13,1 (without base assembly)
  • 10,2 x 43,1 x 13,1 (with base assembly)

Dimensions (W x H x D) mm

  • 182 x 1025 x 330 mm (without base assembly)
  • 260 x 1095 x 330 mm (with base assembly)


  • Premium Rosewood, Cherry, Piano Black, Piano White


Additional information


Piano Black, Cherry, Piano White, Rosewood