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Story
Pathos Acoustics was founded in 1994 by three Italian pioneers: Gaetano Zanini, Gianni Borinato and Paolo Andriolo, in the Italian city of Vicenza. A sophisticated city in northern Italy, famous for its great monuments designed by architect Andrea Palladio. The tradition of making something outstanding has continued since the days of Palladio. Today the focus in the area is on metal production, jewellery and fashion. This city still promotes innovation and invention just as it was used to at the time of Palladio. Pathos combines past, present and future, making hi-fi jewellery small monuments. Highly technological, and with designs and sound that leave no doubt – these products offers something absolutely unique.
The idea
Pathos story started in 1994 by a "coincidence". Gianni Borinato had an idea of a new amplifier circuit and he asked his two friends Paolo Andriolo and Gaetano Zanini to help him exploring the opportunities of this technology. So they manufactured the very first prototype; as Gaetano owned a high-end shop in Vicenza, they had the best possibilities for testing and benchmarking. At first the three pioneers thought that the amplifier they used as reference was broken - but the fact of the matter was the new circuit provided outstanding sonic performances, straight from the very first prototype. Doubts were first instilled, but this amplifier was too good not to be produced. In other words, Pathos was born in order to develop and to spread a new amplification circuit called INPOL (Inseguitore a Pompa Lineare = Linear Pump Tracker). INPOL is Pathos property and the circuit holds a Worldwide Patent.
Design and production
Paolo, who has a passion for industrial design, started to create the look. The result ended up as the T.T. – hailed by many to be the most beautiful amplifier ever produced. One of the few hi-fi classics of its time – a living legend. Gaetano started up the production, making no compromises on components and materials. Along with the technical innovation, the design and high finish of the products are very important as well. Through the years the idea “uglier they look and better they sound” has been pretty common within the audio business. Pathos proved they were all wrong. Pathos products speak to many of our senses – anyone can appreciate them every day. Just a look at a Pathos product is enough to make the customer feel, that he/she purchased something exclusive. Sometimes it is better to listen with your eyes open. All Pathos products are hand made in Vicenza (Italy) by following a long tradition of Italian craftsmanship. Only the finest selected components are used to ensure a peerless quality; all products are taken through a careful test-program to guarantee their quality. Unique products deserve unique treatment.
A new opportunity for the market
The Pathos company was born, but it was not an easy release, considering the market in which it was going to work. The audio branch is notoriously known by the presence of thousands of brands, it is a small and hard business. But for sure there was – and there is – enough space for a brand offering innovative solutions and extraordinary designs. The hi-fi industry needed somebody who dared to follow “the unorthodox approach”. Pathos was therefore founded in the knowledge, that there is enough space for those who have something authentically new to introduce, in that exciting search for the maximum fidelity in the reproduction of music.
A new philosophy
The PHILOSOPHY that accompanies Pathos brand, "the unorthodox approach", effectively created the benchmark of the business philosophy. The Pathos approach to the reproduction of music does not know dogmas or rules, but the goal is clear: to reproduce music in the most authentic way. Making products similar or equal to those already existing on the market does not fit to Pathos philosophy: every unit planned and manufactured by Pathos must enclose technological innovation, (not innovation as technical exercise!) but something able to offer real advantages for the fulfilment of the early aim: “faithful reproduction of music”.
Present
At the moment Pathos is known and appreciated worldwide – as a manufacturer of high quality amplifiers. These products have received several international awards and positive feedbacks from the press. Headquarters have been changed twice within the last ten years, in order to follow the increasing demand. There has been a steady growth and the product range has been extended. Pathos is in the middle of a heavy development, which is bringing several new products. The INPOL circuit has “evolved” and still nobody has come up with a better approach to amplifiers manufacture. INPOL-circuit is made to convey the sound in the best possible way.
Future
Pathos factory is five times bigger than before. This allows us separating our work: one department is specialised in woodworking, another one in metal processing and so on. And the laboratory will be even bigger, as Pathos will focus more and more on technological innovations in the future. Thanks to the new projects “the unorthodox approach” will keep on amazing both ears and eyes. It is all about passion.
La Fiera HIGH END conferma la propria importanza come vetrina internazionale di riferimento con moltissimi visitatori da tutto il mondo. Molti produttori, rivenditori, distributori ed esponenti della stampa internazionale si sono avvicendati allo stand Pathos che ha presentato e fatto ascoltare i nuovi prodotti della serie InPol.
In primo piano InpolRemix mkII e InpolEAR caratterizzati dalla circuitazione doppio Inpol che conferisce una grande capacità di pilotaggio, un suono raffinatissimo accompagnato da un design distintivo e contemporaneo, con una scelta di finiture di alta qualità come la finitura standard black metalizzato oppure le finiture speciali laccato rosso, bianco o nero e l'originale legno Zebrato in modo da poter personalizzare il proprio ambiente di ascolto.
- l'evoluzione del precedente con notevoli diversità -
La potenza è stata raddoppiata, da 10W Ohm passata a 25W su 8 Ohm e ben 38W su 4 Ohm
È stato allargato per avere nel pannello posteriore più ingressi sia analogici che digitali e una uscita pre bilanciata.
È presente un'uscita per cuffia e la musica viene presa direttamente dallo stadio d'uscita e da una potenza di 3W su 32 Ohm, validi per pilotare qualsiasi cuffia.
versatilità per accettare i nuovi formati digitali grazie all'aggiunta, opzionale, del Hi-dac EVO
- amplificatore di riferimento dedicato esclusivamente per le cuffie -
Generosa potenza di uscita di 10W su 32 Ohm per le due uscite bilanciate
e 3W su 32 Ohm sull'uscita sbilanciata.
circuitazione doppio Inpol lo rende unico e punto di riferimento per gli ascolti in cuffia.
ampia scelta di ingressi analogici compreso un ingresso bilanciato
versatilità per accettare i nuovi formati digitali grazie all'aggiunta, opzionale, del Hi-dac EVO
La fiera HIGH END 2016 è stato il luogo ideale per uno scambio di opinioni e per crescere assieme con i partner e rappresentanti Pathos nel mondo;
un grazie speciale a tutti voi che siete passati a trovarci.
HIGH END trade fair confirms its importance as a reference international showcase with many visitors from all over the world. Many manufacturers, dealers, distributors and people from international press visited Pathos’ room, where we introduced and made them listen to the brand new products of InPol series.
A leading role was taken by InPol Remix MKII and the reference headphone amplifier InPol EAR, both characterised by double InPol circuitry, which provides great driving capability, a refined sound along with a peculiar and contemporary design; they have high quality finishes such as standard metallic matt black or special finishes such as lacquered red, lacquered white, lacquered black and the unique natural Zebrano wood (only for InPol EAR). An exclusive chance to customize your own listening room.
- reference amplifier exclusively for headphones -
Its power has been doubled, from 10W to 25W on 8 Ohm and even up to 38W on 4 Ohm
The chassis has been enlarged, so that rear panel can offer more analog and digital inputs and a balanced preamplifier output.
A headphone output is available and music comes directly from the output stage, supplied with a power of 3W on 32 Ohm, to drive any kind of headphone.
Versatility to read new digital formats thanks to the additional and optional HiDac EVO.
- amplificatore di riferimento dedicato esclusivamente per le cuffie -
Generous output power of 10W on 32Ohm for the 2 balanced outputs and 3W on 32 Ohm for the unbalanced output.
Double InPol circuitry makes it unique and the only reference point for listening to music by headphones.
Wide range of analog inputs, included one balanced input.
Versatility to read new digital formats thanks to the additional and optional HiDac EVO.
MUNICH HIGH END 2016 was an ideal place to exchange views and to grow together with our partners and Pathos representative around the world.
Thank you very much to all of you who came to see us.
The Adrenalin amplifier represents the point of arrival of the INPOL (“Inseguitore a Pompa Lineare” - Linear Pump Tracker) concept.
The essence of such apparatus is that of a tube amplifier featuring a very sensitive and refined timbre, combined with a surprisingly and amazing output capacity.
It really seems that Pathos designers and technicians achieved their goal: an iron fist concealed in a velvet glove.
InPol (Inseguitore Pompa Lineare - Linear Pump Follower) is a system patented by Pathos Acoustics which has enjoyed great success and won many awards.
Inpol devices have a special sonic personality obtainable only by means of this particular circuit design - fully balanced in Class A using a single solid state component in follower configuration, with high current gain and with voltage gain together. The valve amplifier amplifies the input signal voltage and InPol supplies the current to drive the loudspeakers without any further amplification. In this way the signal is entrusted to the valves and becomes a true copy of the original, with all the quality, purity and harmonic content of the original.
This technology allows an increase in the theoretical output in pure Class A of between 25% and 50% together with a low output impedance which is fundamental for the damping factor, and further improved by the double InPol.
There is no better way to listen to music
Symposium of power and fidelity
The monoblock delivers 200W of power on a load of 8 Ohm and uses a layout tested many times by Pathos. In fact, this is a balanced stage, which means that each amplifier is made of two power stages connected with INPOL configuration, intrinsically functioning in class A.
Hi-End Gotha
We would like to underscore that an INPOL stage can work only in class A. It is neither a push-pull circuit (where it is possible to choose how deep to polarize the final stage during the phase of design), nor a single-ended stage; considering the presence of a reactive element that works in symbiosis with an active device (in this case a group of mosfets connected at common drain). INPOL represents an alternative between the two configurations; hence, this topology created and patented by Pathos has properly gained by now its place in the Gotha of Hi-End.
Engineering art
This power buffer with unitary gain, is controlled by a tube amplification stage using three double triodes, two ECC83/12AX7 and one 6H30. The first stage generates voltage amplification based on differential totem pole with two12AX7. The second is a buffer with a common anode with the 6H30 that has the function of driving two groups of power mosfets. The signal on the two outputs amplified and out of phase between them, is delivered to two buffers with INPOL technology.
We have created a very powerful, extremely linear amplifier without using global feedback. It’s difficult to describe the sizing of this apparatus power part; you should see it to fully understand the creativity of Pathos technicians and designers (as if we try to describe the Missouri battleship!).
The polarization of the two power stages is at a very high level: it allows a delivery of constant electrical current to avoid interface problems with diffusers. In this machine, technicians will find a series of outstanding details in the sophistication of the design. Starting from a power supply (completely stabilized for the signal stages on anodic voltage) that has a built-in C-multiplier in order to obtain the maximum filtering, on the voltage current generators and on the ignition voltage of filaments, usually considered less noble (but not by Pathos). The main important feature that distinguishes this project is the sensitive power supply that has to deliver a continuous electrical current of more than 12 A. Because the amplifier is at zero feedback, is necessary to use power supplies, filtered, in order to avoid hum noise in the output. Pathos, as usual, did not care about the cost of components and has used an optimum inductive/capacitive switching power supply able to perfectly filter the electrical current of the two power stages (for instance - the weight of filter reactance is 12 Kg).
Type | entirely balanced, Double INPOL® power amplifier in pure class A |
Feedback | absent |
Inputs | 1 balanced XLR |
1 unbanced RCA | |
Input inpedance | 100 Ohm |
Outputs power | 200 W @ 8 Ohm |
Frequency response | 5Hz ÷ 60kHz ± 0.3 dB |
Signal/noise ratio | 98 dB |
THD | 0,01% @ 1W |
0,2% @ 50W | |
Absorption at rest | 475 W |
Tubes | 1 x 6H30 |
2 x 12AX7 ECC83 | |
Damping factor | 25 |
Rise time | 6µs |
Fall time | 6µs |
Slew rate | 11V/µs |
Dimensions : | |
Size | 68cm (D) x 30cm (W) x 44cm (H) |
Weight | 70Kg |