BØRRESEN 01-SSE

AUD $72,900.00

Flagship 2-Way Monitor Stand Mount Silver Supreme Edition Speaker

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Description

The BØRRESEN 01-SSE speaker is a flagship 2-way speaker that has re-defined what is possible to achieve with a stand-mounted monitor design. Its unique ribbon tweeter and the innovative membrane of the low-weight bass/mid-range driver guarantees a transparent and authentic musical performance projected onto a life-like stage.

The unique technologies implemented in the 01-SSE result in a new paradigm in the expression of detail & information, even at very low volume settings. Furthermore, the sound has a free & unrestrained quality to the degree that it feels it is being created by a large full scale multi driver speaker. There’s a sense of release and effortlessness with this speaker that often shocks audiophiles who have had expectations formed by experience with older technologies. BØRRESEN have demonstrated this on numerous occasions by showcasing a pair of 01-SSE in very large rooms at audio shows, much to the surprise of the audience.

The cabinet is carefully designed by BØRRESEN and built by Italian artisans to coach-building levels of quality. The beautiful design of the cabinet, the incredible walnut finish and the curvaceous stand turn this loudspeaker into a piece of art.

The global audiophile press are claiming that Michael Borresen is ‘re-inventing the speaker driver’ and that the brand has become the very definition of clarity, refinement and sound-staging. The BØRRESEN 01-SSE represents the state-of-the-art in stand-mount monitor speaker design.

The Tweeter

The BØRRESEN planar ribbon tweeter is an entirely new technical development. Elaborate finite element methods have been applied to linearise and optimise the magnetic flux field, to facilitate driver movement and to ensure high efficiency and outstanding linearity. The efficiency of this closed ribbon tweeter amounts to an exceptional 94dB and operates from approximately 2.5 kHz upwards. The moving mass is extremely low at 0.01 grams. The totally concealed tweeter has the capacity to operate at an incredible speed, which is an absolute prerequisite to unlocking the most subtle and refined sound details of any kind of music. The enormous robustness of this tweeter allows it to handle extremely high transient peaks without any ear fatiguing breakups. No transformers are being used.

Borresen tweeter

The Membrane

The BØRRESEN membrane consists of a composite of two layers of very thin carbon on both sides of a 4 mm Nomex honeycomb core. This composite structure (similar to the one used in Formula 1 racing cars) provides the ultimate combination of stiffness to weight ratio. The exceptionally low weight of only 5.5 grams allows a very high acceleration factor in the driver, resulting in both outstanding resolution and higher efficiency.

Borresen Z membrane

Bass/midrange – The Iron-Free Revolution

Since the invention of the loudspeaker driver, the fundamental structure of magnet systems has not changed. Iron has been used to concentrate the magnetic flux in a narrow gap where the voice-coil is located. Iron is suited for the concentration of flux, but also poses some challenging issues when it comes to the voice-coil parameters. These parameters also change with the position of the voice-coil, creating considerable iron distortion.

Borresen magnet system - silver edition

The patented BØRRESEN magnet system is breaking new ground. Its unique, innovative and unprecedented technological design makes it stand out from anything else on the loudspeaker market. It is uniquely designed without the use of any iron. 4 opposing neodymium ring-magnets are used to squeeze the flux lines together over two solid silver discs, which now act like pole pieces. Since silver has turned out to have the highest specific electrical conductivity of all metals, for all the Silver Supreme Edition versions BØRRESEN replaced the copper pole rings by in-house manufactured, handcrafted silver rings. As a result, induction could be reduced to a stunning, so far unprecedentedly low level.

The extremely low induction provides the driver with some very desirable attributes that elevate the quality of acoustic performance enormously. A much lower induction means a much faster driver with no lag. This impacts the overall loudspeaker performance which now becomes much more refined and very detailed. Lower induction also causes less resonance impedance variation, which means less phase angles and less impedance variation for the driving amplifier. Lower induction will also curb the impedance rise over system resonances. In terms of musicality, this will result in bass that is less ‘boomy’ but much more pristine. Bass performance becomes very tight, well-focused and more real-world.

To take full advantage of all the performance enhancing audio properties of the new Silver Supreme Edition, all metal components of this premium loudspeaker series are subjected to a cryogenic treatment. This reduces their inductance further.

The Crossover

BØRRESEN loudspeakers are fitted with a serial crossover configuration. The reason for this is that the drivers share the very same flow of electric current in the crossover region. As a result, the electric current is phase-locked over the crossover region.

Borresen 0 crossover

Unlike standard parallel filtering, where each driver receives its own frequency and phase content, the new serial filters work by diverting out-of-band currents around the current flows, thus creating a much more coherent system. This unrivaled and innovative technological approach takes your music into a new echelon of acoustic delight.

For the crossover filter, BØRRESEN went to great lengths to source the very best and most sophisticated state-of-the-art components. The coils are foil types wound with paper isolation and impregnated with resin under vacuum to make them mechanically extremely solid and stable. For crossover capacitors, BØRRESEN use arrays of small military spec stack-foil types. They have the best mechanical stability and lowest induction of any type of capacitor on the market (and they sound wonderful, too). For tweeter attenuation resistors, BØRRESEN use metal strip types since they have the lowest noise figures (by far) and a very low thermal variation.

The Cabinets

The cabinets are heavily braced, block milled, compressed wood structures, beautifully veneered in walnut and fitted with solid walnut inserts. They follow the best of Danish furniture design traditions paired with the stylish shapes that were initially created by the late Franco Serblin from Sonus Faber. The tweeter section is vented to balance out the build-up of air pressure. The bass sections consist of tuned ports calibrated for musically relevant frequencies.

Borresen 03 cabinet

The Feet

Ansuz Darkz decouplers have been designed to ensure a distinctly better mechanical grounding of the speaker cabinet to the stand and/or to the floor. Ansuz Darkz consist of 3 discs separated by 3 titanium ball bearings. Ansuz Darkz are available in 4 alloys that allow for different sonic levels of grounding qualities.

The BØRRESEN 01 stand-mounted loudspeakers have three cavities in the surface of the upper plate of stand that accommodate built-in Darkz resonance control decouplers between the loudspeakers and the plate. The feet of the stand are designed to sit on Darkz decouplers of individual choice.

Ansuz Darkz

Videos

BØRRESEN – Silver Supreme Edition loudspeaker | How it’s made!

Next Level HiFi, Borresen 01 Loudspeakers, Aavik Acoustics U 380, Ansuz Acoustics, Show Winner, RMAF

My most challenging and enjoyable Audiophilia reviews to date (BØRRESEN & Ansuz Acoustics)

Reviews

Awards

Enjoy the Music Best of 2020 AwardEnjoy the Music Blue Note Award 2020

Schematic

Borresen 01 Dimensions

Product Specification

Type 2-Way Stand Mount Monitor Speaker
Frequency Response 50Hz-50KHz
Sensitivity 86 dB/1W
Impedance >6 Ohms
Recommended Amplifier >50W
Drivers 1 x BØRRESEN planar ribbon tweeter
1 x BØRRESEN patented iron free bass/midrange driver with the pure silver pole rings – 4.5 inches
Finishes Walnut Veneer
Warranty 5 years (Conditions apply, contact Nirvana Sound)
Dimensions & Weight 01 Speaker + Stand
H: 110.3 x W: 25.8 x D: 45.0 cm
H: 43.4 x W: 10.2 x D: 17.7 inches
18 kg / 39.68 lbs01 Speaker
H: 36.8 x W: 18.4 x D: 41.5 cm
H: 14.5 x W: 7.2 x D: 16.3 inches
11.5 kg / 25.35 lbs

Stand
H: 73.5 x W: 25.8 x D: 41.5 cm
H: 28.9 x W: 10.2 x D: 16.3 inches
6.5 kg / 14.33 lbs

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