Soltanus Acoustics ESL Virtuoso

89,900kr

Soltanus Acoustics proudly presents the world’s first crossoverless multipanel electrostatic loudspeaker.

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About Soltanus Acoustics
Soltanus The sound of perfection
A lot of things can be said about wonderful technical solutions, miraculous measurings and the so called „big” manufacturers, etc. The truth is that we are able to tell only by heart whether some music system is making a noise or playing pure tones. Some say it can be proved by measuring… but we mostly don’t think so. Of course, the precise measuring is necessary, but only on a very basic level. We often meet with components that have wonderful measuring results, but something is missing: the real experience of live music. The explanation for this is that these components are adjusted in a deaf room, with pure ohmic load in strictly 20 degrees of Celsius, etc. The problem is that we can not reproduce these standard conditions because we do not listen to sine waves in perfect conditions.

founder
There are some scientific efforts to improve high-tech musical instruments with pure „distortionless” sound. The question is: is it really music, or is it something else?

We are speaking in terms of music instruments. For the reproduction of a real concert hall experience, the high-end equipment has to do the job similar to music instruments or even more. It is much harder because two loudspeakers have to reproduce all the concert hall instruments, in addition, at the same time. We have to admit, it is not an easy task. There is no perfect solution yet, and there might never be but we are heading for it.
Our opinion is that musical experience should be determining which technical solution is the most suitable for it and in a visually pleasurable way, of course. We believe that nobody likes to watch an expensive and awful black box in their living room.

In our development and designing process, we use high-tech measurements, but only in a way a viticulturist uses a glass of wine during wine tasting. The essence of a glass of wine is the experience. It’s the same with loudspeakers.

Why ESLs?
What is a Soltanus electrostatic (ESL) loudspeaker?
It is a special breed of speakers offering extraordinary, compellingly realistic audio reproduction. The magical sound of Soltanus acoustics electrostats results from a uniquely fast, super light-weight diaphragm capable of instantaneous movement that creates sound with unflinching accuracy.

Additionally, a single electrostatic driver is capable of reproducing the entire frequency range where human hearing is most sensitive to (the entire human voice spectrum) the delicacy and richness of sound. This unique technology assures that what you hear is faithful to the original recording. Also, it eliminates the need for complex crossovers and multiple driver arrays (which cause distortion). Listen to any Soltanus acoustics electrostatic speaker and the difference will be immediately noticed

Technology: Electrostatic Advantages
The advantages of electrostatic loudspeakers include levels of distortion which are one to two orders of magnitude lower than conventional cone drivers in a box. The extremely light weighted diaphragm (8-28 times thinner than the human hair), which is driven across it’s whole surface. It has an exemplary frequency response (both in amplitude and phase) because the principle of generating force and pressure is almost free from resonances unlike the more common electrodynamic driver. Musical transparency is better than in electrodynamic speakers because the radiating surface has much less mass than most other drivers and is therefore far less capable of storing energy to be released later. For example, typical dynamic speaker drivers can have moving masses of tens or hundreds of grams whereas an electrostatic membrane only weights a few milligrams, which is several times less than the very lightest of electrodynamic tweeters. The concomitant air load, often insignificant in dynamic speakers, is usually tens of grams because of the large coupling surface. This contributes to damping of resonance buildup by the air itself to a significant, though not complete, degree. Electrostatics can also be executed as full-range designs, lacking the usual crossover filters and enclosures that could color or distort the sound.

The conclusion was very simple: lose the crossover!
While it sounds simple, in practice this is not an easy task. It has taken us years of research and development to design a panel-frame- transformer unity which gives excellent frequency and phase response.
The result is very clear, detailed, fast and natural sound with low distortion. We wish you a pleasurable and upli ing years of listening to our ESL Virtuoso.

Since many electrostatic speakers are designed tall and thin without an enclosure, they act as a vertical dipole line source. This makes a rather different acoustic behavior in rooms compared to conventional electrodynamic loudspeakers. The line-source emulates the staging you heard in the concert hall. So the sound field is lifelike. Generally speaking, a large-panel dipole radiator is more demanding than the proper physical placement within a room when compared to a conventional box speaker. But, once it’s there, it is less likely to excite bad-sounding room resonances, and it’s direct-to-reflected sound ratio is higher by some 4–5 decibels. This in turn leads to a more accurate stereo reproduction of recordings that contain proper stereo information and venue ambience. Planar (flat) drivers tend to be very directional by giving them good imaging qualities, under condition that they have been carefully placed relative to the listener and the sound-reflecting surfaces in the room. Curved panels have been built, making the placement requirements a bit less stringent, but sacrificing imaging precision somewhat.

Why do Soltanus acoustics ESLs also have woofers?
Electrostatic speakers can not reproduce deep bass sounds (below 100Hz) as effectively as a cone woofer. Soltanus acoustics’ solution is a hybrid design that provides the best of both worlds—a high quality cone woofer to reproduce low bass and a single electrostatic driver to reproduce sounds in the frequencies where human hearing is most sensitive to nuance.

Soltanus
The variable phase controller is essential for clean, detailed and locationless bass, which can be precisely adjusted independently from the woofers position in your room. Another reason for developing this controlling unit is that every loudspeaker has it’s own phase response, velocity, and of course distance from the listener. All frequencies have to reach to the ear at the exact time for correct reproduction. This phenomenon is mostly expressed when using a woofer with an electrostatic loudspeaker. Leaving this out of consideration is the reason of believing that a dynamic woofer can not be integrated with an electrostatic system.

At very low frequencies, all rooms exhibit a phenomenon known as room gain, which produces a mild bass boost. The smaller the room, the higher the frequency at which this starts. These low frequency level controls enables you to compensate for excessive room gain by cutting output in the 20- to 80-Hz range or, if you prefer, to accentuate the feeling of deep-bass energy by augmenting lowest frequencies.

Although ports are a convenient and cost-effective way of increasing low-frequency output, they rely on resonant energy in a way that impairs bass quality. That is the reason we do not use them. A good sealed system will exhibit less transient-blurring group delay while maintaining smooth, consistent response regardless of output level or voice-coil temperature. Listen carefully to the sound of a bass drum, and you’ll hear the difference.

Brands

Soltanus Acoustics

Mer information

Vikt30 kg
Color

Black, Wood

Specifications

Frequency Response: 40-20.000 Hz ± 3dB
Horizontal Dispersion: 35 degrees
Vertical Dispersion: 150 cm line source
High Frequency Transducer: 120×14 cm elecrostatic transducer (200-20.000 Hz)
Low Frequency Transducer: 2 speakers 140×16 cm dipole electrostatic transducer
Sensitivity: 83 dB/2.83 volts/2 meter
Impedance: 4 ohms, 1,5 at 20 kHz
Recommended amplifier power: 25-300 Watts per channel
Recommended amplifier damping factor: 25 or higher
Crossover components: No crossover components
Inputs: Custom binding posts
Weight: 26kg
Dimensions: 153 cm × 68 cm × 5/33 cm

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