Aries Cerat


Genus 845 Tube integrated amplifier

MF RECOMMENDED

“The Genus SET integrated amplifier is our answer to the challenge of making a smaller one-box integrated amplifier which would carry our design philosophy. In development for some years, we are proud to announce the ‘Offspring’ or ‘Genus’ to our family of single ended amplifiers. With a footprint of 520mm x 530mm it is our most compact design to date, yet remains faithful to our no compromise approach. The Genus can fit where it’s bigger brothers are unable to.”

25 WPC Class A1 845 Tube Design

Zero Global or Local Feedback - 67kg

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Introducing the Ianus Series:

The Ianus Essentia Monoblocks

MF REFERENCE COMPONENT

 

“The Essentia monoblock amplifiers use the same TriodeFet technology found in the the other amplifiers in the already innovative Ianus range, but have features that make them unique in their own right. In contrary to the bigger Geminae model, the Essentia is using the TriodeFet active element in a very different topology, as this is a Single Ended design. It is also performing sonically at the highest level, and even though is this is the ‘smaller’ model, it still weighs in at 80 kilos per channel.”

“The Ianus Essentia amplifier is not only Class A and Single Ended, it is also a Single Stage! Incredibly there is no driver stage and no input stage! This extremely simple topology we feel is a breakthrough in amplifier design, is an elusive design goal for many, including our lab. It is only possible to execute now as we are finally able to use an active element that has the needed specifications for the purpose: Extremely high linearity, high voltage gain, high current gain and very high input impedance. The Essentia is, as its name suggests, consists of only one TriodeFet stage, fed directly and used as a simple Single Ended amplifier and uses the “Essence” of the Geminea technology."

Single Stage, Single Ended, Zero Global or Local Feedback

40 WPC High Current and Stable down to 1 Ohm - 88kg / Monoblock

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Ianus Geminae Monoblocks

MF REFERENCE COMPONENT

 

“The Ianus Geminae is a breakthrough product in terms of ultimate sonic performance combined with high power delivery. Conventional solid state amplification can have high current delivery but sadly looses much of music's emotion and realism in the process. We set a goal of completely avoiding such shortcomings. Not only that, we were determined to combine current delivery with the superb sonic performance of a SOTA Single Ended Triode design. This has been attempted before by other manufacturers, but in our opinion, has not been fully realized until the realization of the Aries Cerat Ianus amplifiers.”

“The Ianus Essentia amplifier is not only Class A and Single Ended, it is also a Single Stage! Incredibly there is no driver stage and no input stage! This extremely simple topology we feel is a breakthrough in amplifier design, is an elusive design goal for many, including our lab. It is only possible to execute now as we are finally able to use an active element that has the needed specifications for the purpose: Extremely high linearity, high voltage gain, high current gain and very high input impedance. The Essentia is, as its name suggests, consists of only one TriodeFet stage, fed directly and used as a simple Single Ended amplifier and uses the “Essence” of the Geminea technology."

Single Stage, Single Ended, Zero Global or Local Feedback

40 WPC High Current and Stable down to 1 Ohm - 88kg / Monoblock

 

This is a Class A amplifier, using a floating circlotron using TriodeFet elements as output stage devices. Power delivery is 130W @ 8ohm 260W @ 4ohm while never leaving true Class A operation, even at very low loads. In contrast to the majority of “Class A” amplifiers, (which are biased at 1-3A max) where they only deliver a fraction of their rated power in Class A mode, the Geminae is a true Class A design.The active elements never go into cutoff even at full power at 4ohms.

 

We called this topology a Super-Symmetric Self-Balancing inductively driven Circlotron. Zero feedback loops are used, either local or global.The floating circlotron is self-centering/balancing and does not need any long term adjustment or DC servos to stabilize, constant bias adjustmnent or correcting mechanism to eliminate DC voltage offset at its outputs. The AC decoupling of the stage is accomplished using custom super-spec capacitors. These special capacitors have internal resistance (ESR) less than a piece of copper wire (less than 2mohm), and are designed to be able to surge to 30,000A max. They are the most transparent capacitors associated with current delivery.

 

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Incito S Preamplifier

When designing the Incito preamplifier our aim was to reference a great Einstein quote “Make everything as simple as possible, but not simpler” and to absorb and implement this into our current audio design mentality. With the Incito S we took this quote but with a twist, “simpler but better”

Generally in audio designs simple circuits tend to work and most important sound much better. However in many cases, simple solutions come with shortcomings particularly in audio in the form of questionable measured performance.

The Incito S is a contrary statement to this ‘rule’. As with the Incito, in the heart of the Incito S preamplifier beats a zero feedback power gain stage which consists of a small SET amplifier and a transformer coupled super triode using the ultra high trans-conductance E280F. This superb tube, which is made primarily by Siemens(, is loaded with a highest quality step down transformer with reconfigurable secondary winding to support switchable gain.Switches on the back re-configure the secondary winding to switch between 20db and 14db of max gain.

Full swing signal bandwidth: -6db @ 4Hz~140kHz

Harmonic distortion: 0.005% typical

Maximum signal output swing: 32Vrms @ 10kohm load -6db switch

Maximum harmonic distortion: less than 0.1% THD at 20V rms)

This small SET amplifier can easily provide voltage swings of over 320V, stepped down to 80Vpp (or 40Vpp on the -6db configuration) while keeping transistor-like noise figures. The specially designed step down transformer provides very low output resistance and more than adequate current to drive any load down to 50 ohms! This required a robust and preferable a passively filtered power supply.

The power supply is built around the 5AR4 rectifier and uses separate double pi filtering for each channel with oversized chokes and high speed capacitors. The power transformer is encased in an external chassis, connected with a permanent umbilical cord. This design choice lead to improved noise floor figures of 20db, now well below the -110db mark.

For volume control we used the best-to-our-ears way of implementing a volume control apparatus… that is transformer volume control. The Incito S uses the same TVC and input system of our bigger preamplifier brothers such as the Impera II. To go even further we used the same AC link proprietary technology for the biasing of the small SET amplifier. The bias circuits are controlled and monitored by the use of a variable pot and a build-in meter which ensures bias tuning of the design is both easy and intuitive.

The Incito is already a great preamplifier and it was very hard to outperformed it with a design that could fit in the same chassis and keep the weight unchanged. The Incito S is our answer to that challenge and I believe we have succeeded.

 

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Impera II Reference

…prepare to be surprised. A new way of using triodes is born,in fact you can say it is a whole new active component .A component that gives the new Impera preamplifier extra-ordinary performance,unrivalled by any tube or transistor preamplifier stage. The Impera II pre-amplifier is a showcase of our unique Inverted Triode Technology, a vacuum tube technology innovation developed from our company and utilized in the Impera II series of audio designs. The Inverted Triode is a unique active element, widely different to any kind of vacuum tube used in audio and tube electronics in general. Three electrodes , a cathode, grid and plate, are combined to give an amplification device completely different in operation than the classic vacuum tube.

Inside a typical vacuum tube, an electron stream emitted from a heated cathode ,is accelerated toward a positively charged anode, which has a flat plate structure. The electron flow is impeded by the grid ,a negatively charged wire-grid structure, placed between the cathode and anode. This operation resembles a typical fluid control valve, hence the name valve tube.

Full swing signal bandwidth: -6db @ 4Hz~140kHz

Harmonic distortion: 0.005% typical

Maximum signal output swing: 32Vrms @ 10kohm load -6db switch

Maximum harmonic distortion: less than 0.1% THD at 20V rms)

Inside an Inverted Triode tube, the electron stream emitted from a heated cathode, is accelerated towards the anode, now a wire-grid-like structure . The electron flow is now unimpeded since no grid structure exists between the anode and cathode. Instead, a plate-like structure, enveloping the cathode/anode assembly, called the control “grid” is shadowing the anode electrical field, having a very high negative electrical field itself, thus “pushing” the electrons away from the anode.

The extra-ordinary parameters of the inverted triode used (100 times lower plate resistance than a 6SN7 tube, zero input capacitance) ,gives the output stage unrivalled measured performance : 2Hz-500KHz bandwidth , figures unreached by any triode - transformer output stage.

An example of the Inverted Triode’s technical advantage over a typical vacuum tube,ex 300B,is a comparison of the two ,driving the same output transformer.The Inverted Triode tube presented a power bandwidth of 2Hz-500.000Hz where the 300B tube had a bandwidth of 15Hz-100.000Hz. Same transformer, same driver tube, but 5 times the bandwidth for the Inverted Triode tube.

The output stage is driven by the input tube with the help of an amorphous double-C core signal choke. The output stage is driving a highest quality double-C core output transformer, with bifilar winding technique, which gives the transformer supreme frequency extension and supreme transient signal response parameters.

Signal attenuation is achieved with a uniquely designed multi-tap input transformer, which has special bifilar winding as well ,resulting in excellent performance both in frequency and time domain. The 26 separate taps are switched by small signal sealed relays.

All four vacuum tubes are fed by special quality PSUs, with four individual choke filtered capacitor banks.

 

The sound or non-sound of the Impera II, is a brand new experience in the audio world , and is achieved by radical new solutions, created after out-of the box research and testing.

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Impera II Signature

“The Impera II Signature is our grand statement of what we believe to be the absolute best preamplifier on the market. Further advances from the already remarkable Impera II preamplifier include upgraded quad choke filtered power supplies, improved inductive coupling between stages and a new proprietary circuit for input stage biasing. …prepare to be surprised.”

A new way of using triodes is born, in fact you can say it is a whole new active component. A component that gives the Impera preamplifier extra-ordinary performance, unrivalled by any tube or transistor preamplifier stage. The Impera II preamplifier is a showcase of our unique Inverted Triode Technology, a vacuum tube technology innovation developed uniquely by Ariues Cerat and utilized in the Impera II series of preamplifiers. The Inverted Triode is a unique active element, widely different to any kind of vacuum tube used in audio and tube electronics in general. Three electrodes, a cathode, grid and plate are combined to give an amplification device completely different in operation than the classic vacuum tube.

“Inside a typical vacuum tube, an electron stream emitted from a heated cathode is accelerated toward a positively charged anode, which has a flat plate structure. The electron flow is impeded by the grid, a negatively charged wire-grid structure, placed between the cathode and anode. This operation resembles a typical fluid control valve, hence the name valve tube. Inside an Inverted Triode tube, the electron stream emitted from a heated cathode is accelerated towards the anode, now a wire-grid-like structure. The electron flow is thus now unimpeded since no grid structure exists between the anode and cathode. Instead, a plate-like structure enveloping the cathode/anode assembly (called the control “grid”) is shadowing the anode electrical field, having a very high negative electrical field itself, thus “pushing” the electrons away from the anode.”

This mode of electron flow control is completely different than a triode mode of operation. The parameters of this new active element behave very differently than a conventional triode; the inverted triode actually acts like a virtual “vacuum state transformer”. Instead of having gain, the inverted triode has a gain that is a fraction of unity, just like a step down transformer. The internal resistance is many times lower, and input capacitance is nearly zero. The extra-ordinary parameters of the inverted triode used (100 times lower plate resistance than a 6SN7 tube, zero input capacitance) gives the output stage unrivalled measured performance: 2Hz-500KHz bandwidth, figures unreached by any triode – transformer output stage.

“An example of the Inverted Triode’s technical advantage over a typical vacuum tube, example the 300B, is a comparison of the two driving the same output transformer. The Inverted Triode tube presented a power bandwidth of 2Hz-500.000Hz where the 300B tube had a bandwidth of 15Hz-100.000Hz. Same transformer, same driver tube, but 5 times the bandwidth for the Inverted Triode tube. The output stage is driven by the input tube with the help of an amorphous Double C-Core signal choke. The output stage is driving a highest quality Double C-Core output transformer, with bifilar winding techniques, which gives the transformer supreme frequency extension and supreme transient signal response parameters.”

The Power Supply

The power supply comes encased is a full sized chassis, and it is a true dual mono configured design, housed in a single chassis. The driver stage is powered by a dual damper-diode-tube-rectified unit, one per channel. It is filtered further by dual choke PI filters, using low DRC inductors and high speed film capacitors. The negative bias supply,is also using tube rectifiers , providing zero switching noise, and is also triple stage filtered, before feeding the driver stages. The Inverted Triode stages, are also supplied by dual(one per channel) high energy PSU, again double filtered using low DCR inductors and high current/low ESR capacitors. All stages are locally decoupled at the main unit. The driver stage is using two extremely low DCR custom film capacitors. These custom units present about 100 times less ESR than most electrolytic capacitors.

“Signal attenuation in the Impera is achieved with a uniquely designed multi-tap input transformer, which has special bifilar winding as well, resulting in excellent performance both in frequency and time domain. The 26 separate taps are switched by small sealed signal relays. All four vacuum tubes are fed by special quality PSUs, with four individual choke filtered capacitor banks. 
The sound or non-sound of the Impera II, is a brand new experience in the audio world, and is achieved by radical new solutions, created after out-of the box research and testing.”

The Impera II Limited Edition is the second design in the Impera Series which will use our Gen 2 Inverted Triode technology. Using all of our data and lessons learned in the 10 years researching and using the IT (Inverted Triode) technology, we took some steps into further improving the technology, both in measurable (objective) and sonic (subjective) aspects. The main difference of the Gen 2 to Gen 1, is the use of dual IT(Inverted Triodes) in parallel mode, while working on very different operating conditions that Gen 1 IT. This further improved the distortion, noise and IM figures, while bandwidth almost doubled ,even if by using the same passive components( ex, the output transformer). Moving the OP(operating point) to new ,previously unusable regions, allowed us to lower the grid (plate) consumption thus improving IT life as well. The Gen 2 technology also includes different biasing/driving circuits. The driving/bias stage is now a stacked/folded configuration, further improving bandwidth, stability and transient response. In short, the Gen 2 IT technology is a complete redesign and rethought process of the IT technology, which was time to get a step even further.

“A quad of the trusted 6AU4 rectifiers feed the driver supplies, while the great sounding GZ34/5AR4 provides negative bias voltage to the sensitive circuits.”

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Impera II Signature Limited Edition

“The Impera II Signature is our grand statement of what we believe to be the absolute best preamplifier on the market. Further advances from the already remarkable Impera II preamplifier include upgraded quad choke filtered power supplies, improved inductive coupling between stages and a new proprietary circuit for input stage biasing. …prepare to be surprised.”

A new way of using triodes is born, in fact you can say it is a whole new active component. A component that gives the Impera preamplifier extra-ordinary performance, unrivalled by any tube or transistor preamplifier stage. The Impera II preamplifier is a showcase of our unique Inverted Triode Technology, a vacuum tube technology innovation developed uniquely by Ariues Cerat and utilized in the Impera II series of preamplifiers. The Inverted Triode is a unique active element, widely different to any kind of vacuum tube used in audio and tube electronics in general. Three electrodes, a cathode, grid and plate are combined to give an amplification device completely different in operation than the classic vacuum tube.

“Inside a typical vacuum tube, an electron stream emitted from a heated cathode is accelerated toward a positively charged anode, which has a flat plate structure. The electron flow is impeded by the grid, a negatively charged wire-grid structure, placed between the cathode and anode. This operation resembles a typical fluid control valve, hence the name valve tube. Inside an Inverted Triode tube, the electron stream emitted from a heated cathode is accelerated towards the anode, now a wire-grid-like structure. The electron flow is thus now unimpeded since no grid structure exists between the anode and cathode. Instead, a plate-like structure enveloping the cathode/anode assembly (called the control “grid”) is shadowing the anode electrical field, having a very high negative electrical field itself, thus “pushing” the electrons away from the anode.”

This mode of electron flow control is completely different than a triode mode of operation. The parameters of this new active element behave very differently than a conventional triode; the inverted triode actually acts like a virtual “vacuum state transformer”. Instead of having gain, the inverted triode has a gain that is a fraction of unity, just like a step down transformer. The internal resistance is many times lower, and input capacitance is nearly zero. The extra-ordinary parameters of the inverted triode used (100 times lower plate resistance than a 6SN7 tube, zero input capacitance) gives the output stage unrivalled measured performance: 2Hz-500KHz bandwidth, figures unreached by any triode – transformer output stage.

“An example of the Inverted Triode’s technical advantage over a typical vacuum tube, example the 300B, is a comparison of the two driving the same output transformer. The Inverted Triode tube presented a power bandwidth of 2Hz-500.000Hz where the 300B tube had a bandwidth of 15Hz-100.000Hz. Same transformer, same driver tube, but 5 times the bandwidth for the Inverted Triode tube. The output stage is driven by the input tube with the help of an amorphous Double C-Core signal choke. The output stage is driving a highest quality Double C-Core output transformer, with bifilar winding techniques, which gives the transformer supreme frequency extension and supreme transient signal response parameters.”

The Power Supply

The power supply comes encased is a full sized chassis, and it is a true dual mono configured design, housed in a single chassis. The driver stage is powered by a dual damper-diode-tube-rectified unit, one per channel. It is filtered further by dual choke PI filters, using low DRC inductors and high speed film capacitors. The negative bias supply,is also using tube rectifiers , providing zero switching noise, and is also triple stage filtered, before feeding the driver stages. The Inverted Triode stages, are also supplied by dual(one per channel) high energy PSU, again double filtered using low DCR inductors and high current/low ESR capacitors. All stages are locally decoupled at the main unit. The driver stage is using two extremely low DCR custom film capacitors. These custom units present about 100 times less ESR than most electrolytic capacitors.

“Signal attenuation in the Impera is achieved with a uniquely designed multi-tap input transformer, which has special bifilar winding as well, resulting in excellent performance both in frequency and time domain. The 26 separate taps are switched by small sealed signal relays. All four vacuum tubes are fed by special quality PSUs, with four individual choke filtered capacitor banks. 
The sound or non-sound of the Impera II, is a brand new experience in the audio world, and is achieved by radical new solutions, created after out-of the box research and testing.”

The Impera II Limited Edition is the second design in the Impera Series which will use our Gen 2 Inverted Triode technology. Using all of our data and lessons learned in the 10 years researching and using the IT (Inverted Triode) technology, we took some steps into further improving the technology, both in measurable (objective) and sonic (subjective) aspects. The main difference of the Gen 2 to Gen 1, is the use of dual IT(Inverted Triodes) in parallel mode, while working on very different operating conditions that Gen 1 IT. This further improved the distortion, noise and IM figures, while bandwidth almost doubled ,even if by using the same passive components( ex, the output transformer). Moving the OP(operating point) to new ,previously unusable regions, allowed us to lower the grid (plate) consumption thus improving IT life as well. The Gen 2 technology also includes different biasing/driving circuits. The driving/bias stage is now a stacked/folded configuration, further improving bandwidth, stability and transient response. In short, the Gen 2 IT technology is a complete redesign and rethought process of the IT technology, which was time to get a step even further.

“A quad of the trusted 6AU4 rectifiers feed the driver supplies, while the great sounding GZ34/5AR4 provides negative bias voltage to the sensitive circuits.”

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Helene

“The Helene is our newst and smallest d/a converter coming out of our labs. Borrowing technology from the Kassandra Series ,and with the addition of some tricks of it's own,we can guarantee that the Helene sets new unreachable marks for performance vs price ratio."

“Descending from Kassandra Series,the converter banks are implemented around a matrix of eight R2R ladder d/ac (per channel),running in parallel.The two independent banks use eight R2R matrixes from the Analog Devices AD1865NK ,in current mode."

“These are driven by our custom logic that handle the sync ,data and work buses. The SuperClock technology used in our bigger models is also standard in our Helene dac, negating the use and need of an external aftermarket Word Clock. The USB input is double Recklocked as well as the digital inputs using the internal SuperClocks of the converter.The digital input Reclocker is as before,bypassable on the fly."

10V RCA or XLR (true balanced out)

2Max 384Khz 32bit

Any combination of S/pdif, AES, BNC

25 WPC Class A1 100 ohm

25 WPC Class A1 40kg

“The converter uses no data processing,upsampling or oversampling ,data is converted in their native sample rate and bit rate. Converter banks run in current output ,thus IV convertion stage quality is detrimental to the SQ.The IV (current to voltage) stage iis implemented by a special IV transformer with custom ultra high MU core,directly modulating the bias circuits of the analog tube stage."

“The analog stage is again borrowed by the bigger models,and is a small SET amplifier,build around the E280F supertube,loaded by a custom special quality output transformer. The analog stage PSU uses /tube rectification using the GZ34 rectifier, while triple choke/film capacitors provide very low noise voltage rails for the SET amplifier.The tube is biased with triple filtered ultra low noise bias circuits. Power supplies of the digital and analog sections of the converter system are carefully designed around massive capacitor banks and extensive RF choking filters,distributed in all points of the circuit."

 

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Introducing the Kassandra II Series

The Reference

 

"We believe the Kassandra DAC is currently one of best audio sources available today and can only be matched by the very best analogue in timbre and musicality while keeping well ahead in aspects of dynamic presentation and resolution. While in the process of setting up and building our company (Aries Cerat) at earliest stages, the need of a true state of the art source was mandatory; one cannot claim to build speakers and components that aim to be the absolute best if one does not have a true reference source; thus the Kassandra was born..."

16 R2R converters per channel, complimentary current output using the top grade Analogue Devices AD1865N-K with 8 converters per bank, 16 per channel.

Eight discrete ultra-low-noise regulators for the 4 converter banks.

Extensive local decoupling,using tuned LC filters.

Over engineered power supplies, power input filters.

Transformer I/V conversion with custom wideband transformers, balanced current to single ended voltage conversion.

Internal Super-Clock by-passable on the fly. , triple regulated supply.

Transformer loaded super tube output stage using the E280F tube. 5:1/10:1 step down transformer & double choke filtered supply.

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The Signature

 

"The Kassandra’s prototype was developed very early, not as a commercially available design, but as a cost no object lab tool, my personal reference tool for speaker and amplifier development. The decision to be put it into production and to be commercially available was made at a much later stage. We have found since then, with many new converters launching daily with impressive specs on paper, they fall short of what we call analog sound. They always presented that electronic signature that gives digital reproduction a bad name."

20 R2R converters per channel, complimentary current output(using the top grade AD1865N-K , 10 converters per bank, 20 per channel,40 in total)

Eight discrete ultra-low-noise regulators (for the 4 converter banks)

Extensive local decoupling,using tuned LC filters.

Overengineered power supplies,power input filters.

4 torroidal transformers,over 2Farad total system capacitance,wideband local decoupling.

Transformer I/V conversion (custom wideband transformers,balanced current to SE voltage conversion)

Internal Super-Clock (bypassable on the fly.Separate torroidal transformer,triple regulated supply)

Transformer loaded super tube output stage (using the E280F tube. 5:1 step down transformer,double choke filtered supply)

xenon gas rectifiers for the tube PSUs

 

 

30Vpp output @ 0db

Balanced output(optional)

USB input up to 24/384KHz

Jitter attenuation down to femptosec level

Dimensions : 2 chassis 540mmW X 350mmD X 165mmH each

Weight: 80kg total

 

 

Jitter measurement of a typical isochronus USB transport .

This is the jitter present on the word clock of the transport before even the spdif transmission to the dac. Jitter measurement,present on the wordclock of the converters of Kassandra dac, using the USB transport.

Jitter distribution measurement, of word clock synchonising the 24 converters of the Kassandra DAC, with the internal reclocker enabled, using the same USB converter.

Jitter distribution, after double reclocking of the wordsync clock.

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The Limited Edition Signature

 

"The Kassandra’s prototype was developed very early, not as a commercially available design, but as a cost no object lab tool, my personal reference tool for speaker and amplifier development. The decision to be put it into production and to be commercially available was made at a much later stage. We have found since then, with many new converters launching daily with impressive specs on paper, they fall short of what we call analog sound. They always presented that electronic signature that gives digital reproduction a bad name."

224 R2R converters per channel, complimentary current output (using the top grade AD1865N-K , 12 converters per bank, 24 per channel,48 in total)

Eight discrete ultra-low-noise regulators (for the 4 converter banks)

Extensive local decoupling,using tuned LC filters, 76 in number

Overengineered power supplies,power input filters

5 torroidal transformers,over 3Farad total system capacitance,wideband local decoupling *Pseudo-battery system, for isolating all analog stages from the power grid.

Transformer I/V conversion(custom wideband transformers,balanced current to SE voltage conversion)

Internal Super-Clock (bypassable on the fly.Separate torroidal transformer,triple regulated supply)

Transformer loaded super tube output stage (using the E280F tube. 5:1 step down transformer,double choke filtered supply)

xenon gas rectifiers for the tube PSUs

Super-capacitors used in tube analog stage. 100 times less ESR/ESL than any film or electrolytic capacitor.

 

 

30Vpp output @ 0db

Balanced output(standard)

USB input up to 24/384KHz

Jitter attenuation down to femptosec level

Dimensions : 2 chassis 540mmW X 530mmD X 165mmH each

Weight: 120kg total

 

 

Jitter measurement of a typical isochronus USB transport .

This is the jitter present on the word clock of the transport before even the spdif transmission to the dac. Jitter measurement,present on the wordclock of the converters of Kassandra dac, using the USB transport.

Jitter distribution measurement, of word clock synchonising the 24 converters of the Kassandra DAC, with the internal reclocker enabled, using the same USB converter.

Jitter distribution, after double reclocking of the wordsync clock.

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Talos Mk2 Reference Phono System

Introducing the Talos Reference phono system. The result of our many year research and development in phono preamplification design. After spending years researching and designing and building /testing various designs,including discrete solid state, tube hybrid, and opamp phono stages,we settled to an all tube,three stage , all transformer coupled uniquely designed phono stage,that brings something new to the analog world. Our goal was to design and built the best phono preamplifier, a unique cost no object implementation. We strongly believe we have done so.

A phono preamplifier is generally consisted of three subsystems. The input stage, responsible for the main amplification of the delicate signal surcing from the phono cartridge. This task is extremely difficult. The signal level is only a few microvolt rms, comparable to the noise level picked up to the majority of interconnect cables, and even to the thermal noise of some active devices. So, the input stage must amplify the signal to the last micro detail coming from the vinyl groove, while rejecting the noise coming from external sources such as the cables and the turntable electromechanical system. The selection af the active device used for the input stage is as critical as the design of the topology used.

Gain: 62db , 80db with optional 18db SUT. Custom step up ratios/impedances available.

Noise: -88db unweighted

Max Voltage out: 15Vpp

Max input overload: Can be used with Very high output MM carts without overload

Cartridge Loading options: Limit-less number of resistor values.Loading modules can be ordered in any resistor value.

Total Weight: 77kg

 

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Talos Signature Phono System

The Talos Signature is our latest creation ,dedicated to the world of analog reploduction.It refines and uses technology from the top Limited Edition model,as well as improved sections of the smaller Reference model. Using proprietery tube circuits,transformer coupling throughout,multiple tube rectifed ultra-low noise PSUs, we successfully managed to create a unique source, which in our humble opinion is maybe the top analog source today,only surpassed by the Limited Edition phono. With it’s 64db gain from the tube stages, with 12-26db added gain from the customised Step up tranformers,a total gain of 76-90db is possible,with amazing high SNR ,there is enough headroom to amplify the signal of any cartridge to it’s full potential dynamic range.

 

Tube compliment: 8x E280F 4x 6d22s

Total system gain: 64db + 12~26 db (custom SUT for each cart) 76-90db max gain

Noise floor: -80db

Max SNR:106db

RIAA accuracy: +-0.2db

Inputs: 2x floating RCA/XLR differential inputs (64db)

Max Output: 20Vrms @ 200ohm

Loading Resistance/capacitance: Unlimited combinations.(use of extenal custom built loading modules)

Weight: 85kg total

 

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- "Music is the strongest form of magic - Marilyn Manson"