PARAMETRE                    Phantom Hybrid Tube - Mosfet Amplifier

Model: AURIGA
Material: INOX
Audio Connectors: 8um Rhodium plated

Output power: 132W/ 4 Ohm
                           80W/ 8 Ohm
Frequency response: 20 - 20 000 Hz +0/ -0.1dB
Total harmonic distortion THD: 0.003% (4 Ohm    1kHz 132W)
                                                  0.006% (4 Ohm  10kHz 132W)
                                                  0.008% (4 Ohm  20kHz 132W)
Slew rate: 47/ us
Intermodulation distortion IMD: 0.006% (4 Ohm 60Hz/ 4:1.132W)
Input sensitivity: 0.9V/ 132W/ 4 Ohm
                             0.9V/   80W/ 8 Ohm
Damping factor: < 1000

Digital to Analogue Converter DAC
Total harmonic distortion THD: 0.0003%
Sampling frequency: 24 - bit 192 kHz
Dynamic range: 127 dB
Asynchronous USB

Inputs: Cd - Usb - Coax - Xlr
Dimensions/ mm (HxWxD): 216 x 480 x 610
Weight: nett 42 Kg

  Priority of the design and deployment of all electrical circuits was to put high emphasis on minimizing crosstalk between left and right channels and minimize mutual interference between all electrical circuits.

Printed circuit boards of each output stage, analog digital converters, control panels, power supplies are designed as individual boards and fixed in adequate physical distance, which is to minimize the digital and pulse interference between analog and digital parts.

Thanks to the high level of physical and electrical separation, an excellent space and three-dimensional image of the whole sound field transmittion were achieved.
 

 

Three specially loaded toroidal transformers with an oversized powerfully power capacity serve as the reservoir of energy of AURIGA. This effect is considerable, the sound is very dynamic, impulsive and the sound image is a natural and realistic. Thanks to above-average current store, AURIGA can help well also with speakers, whose impedance parameters reach deep below the standards of established values.

 

Each of the three toroidal transformers includes two handcrafted shield windings of the copper strip – metal plate. The first shield is located between the primary and secondary winding, the second shields the is transformer as such. From these advantages of shielding, we can mention minimization of the penetration of the magnetic field interference in the environment and minimization of the interference penetration from the electrical power network to the secondary winding, which subsequently feed the audio circuits.

This solution also automatically moves the transformers to a higher class because of their safety, breakdown and unwanted electrical discharges of the network.

 

Windings in all transformers are separated due to the technically important reasons. These include separate windings for powering of the left and right channel output stages, separate windings for powering of analog and digital parts. The actual transformers are designed and distributed by their relevant purpose in achieving the best final specifications. That means that the power transformer for the output stages feeds the analog circuits of the smaller audio-transformer. The last transformer takes care of the digital and control circuits.

 

Below the shield cover, there are hidden not only superior toroidal transformers, but also printed circuit boards with an oversized filter capacity and microprocessors that control smooth gradual start-up of transformers and their filtering capabilities. The result is a longer lifetime of capacitors and considerably smaller impact witin the net. At the same time the boards include the microprocessors of control circuit protection, front control panel or control of the progressive start-up of the entire amplifier.

 

The final stage in connection of open AB class manifests its advantages, which include high efficiency, low loss-making power or reliability.

Our circuits in AURIGA are designed for lateral audio transistors MOSFET from English manufacturer Allfet proven by decades. Lateral transistors are not only the quality transistors with controlled by the field, but also an exception as this type of transistors is designed and manufactured exatly for audio use.

The advantage is the high transfer rate, high reliability, excellent linearity linked to very low distortion. Our connection represents paired and oversized transistors with the twice performance, resulting in the ability of instant delivery of extremely high electric flow in difficult conditions. High stability is obvious here. 

The high-end community rates the lateral transistors as one of the most beautiful sounding transistors at all.

 

Hybrid Tube - MOSFET Amplifier ... What does this mean for AURIGA? You could say that " MOSFET is an output stage" and "tube is a preamp degree." But in AURIGA it is much more interesting solution, which is indeed world-class premium tube from Slovak producer JJ-electronic, as literally part of the output stage. Thus, it does not work "as a separate element" but is strongly tied with mos-fet by the feedback.

 

 

 

And what are the advantages of such a solution?
First of all, it's low distortion, high processing speed, and the sound that will impress YOU...

  Premium sound quality from your PC? For AURIGA it is no problem.
Integration of the advanced asynchronous analog-to-digital converter enables you to produce high-quality audio directly in the amplifier. This eliminates transmission loss of signal, which then travels in the highest quality directly to your speakers.

Divided symmetrical printed circuit of our DAC is designed with a priority of separation of digital and analog domains. Symmetrical signal paths guarantee identical features of both transmission channels. The transmitter is powered by a clock signal of quality American Crystek oscillators with very low phase noise, which ensures very low jitter. One of the main conditions of quality DAC decoding, is the physical distance oscillator of clock signal from the transmitter chip, which in our case means considerable 10 mm.

All digital inputs galvanically isolated, paired resistors, quality capacitors in the current converters or bandpass filters. Converters selected according to technical parameters and listening tests areobvious.

The extract of the above-described technical parameters and characteristics, does not cover everything that could be said about this amplifier. Even though it does give an impression that the amplifier Phantom AURIGA is worth to be heard.