Who is Amina technologies?
What is unique about the technology?
Is a low frequency drive unit (subwoofer) required?
How loud are the Amina Loudspeakers?
Does this new technology require special amplifiers?

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Who is Amina Technologies?
Amina Technologies Ltd is the world's leading supplier of custom-made flat panel loudspeaker solutions, using a revolutionary diffuse sound radiator technology known as NXT to meet the needs, not only of the audio installation industry, but also those of architects, interior designers and all other design conscious specifiers. Amina is headquartered in Huntingdon, Cambs, UK, an area known the world over for its abundance of high-fidelity audio technology companies such as Mission, Quad, Wharfedale, Meridian Audio, McLaren Audio, and Cyrus.

What is unique about the technology?
The technology used in Amina Loudspeakers is truly unique. The resonant modes of a typically light and stiff panel are optimally excited by a transducer (exciter) to deliver a truly remarkable diffuse sound field over a wide audio frequency bandwidth.

What can Amina Louddspeakers do compared to a single drive units?
As a typical single drive unit can only reproduce effectively across a limited bandwidth, an equivalent drive unit can easily be implemented using Amina Technology. Apart from the obvious advantages of lightness and low profile, Amina Technology provides improved intelligibility and a wider listening angle than a single conventional drive unit, with less in-room power fall-off, i.e. The volume is far more uniform throughout the room.

What can Amina Technology do for audio-visual?
The remarkable diffuse sound field of Amina Technology brings three important attributes to the audio-visual experience.

1. A wide listening angle compared with the narrow "Sweet-Spot" of conventional loudspeakers, which means that more viewers/listeners can share the experience. 2. A benign acoustic interaction with room boundaries, which means that the listening environment is not susceptible to the acoustic interference effects associated with conventional loudspeakers. 3. A gentler loss of loudness with distance means that volume settings are less critical. Combined with the exceptionally wide directivity of Amina Technology this leads to a highly immersive sound-pool and seamless integration of the sound, for that true-to-life "it's behind you" surround sound experience. The requirement for the accurate spatial localization of sound as part of the audio-visual Cinema experience dates back to the 1940s. In Cinema theatres, the loudspeakers are placed behind the screen, which is made from an acoustically transparent material.

Is a low frequency drive unit (subwoofer) required?
Very low frequencies, as required for some applications, are often best handled by a conventional woofer or sub-woofer. Whilst it is quite feasible for a large SurfaceSound™ panel to reproduce these frequencies, the application will often dictate the size and therefore additional low frequency support may be required. As a rule of thumb frequencies below around 100-200 Hz are cut or rolled off for small-medium size applications. In any event, sound below about 200Hz does not carry much directional information and a low frequency drive unit placed out of the way can maximize the overall effectiveness of an Amina Loudspeaker system.

How loud is SoundUnseen technology?
Through a suitable choice of exciters and panel materials Amina Technology can generate sound pressure levels comparable to conventional loudspeakers. However, due to the in-room performance of a SurfaceSound™ panel the volume over distance is maintained better than with a conventional drive unit.

Does this new technology require special amplifiers?
Typically no, as the modal behavior of Amina Loudspeakers can be stimulated through various methods, the most popular of these uses electro dynamic (voice coil) exciters which are highly compatible with all existing amplifiers.