Ayon AURIS II “Reference” preamp
€10,000.00
Since its market launch in 2014 the Auris has gained an excellent reputation worldwide and it is one of the rare tube preamps capable of transferring its fabulous tonal characteristics to the best advantage to the rest of the installation or respectively co-impress it. All this caused us to further consequently fine-tune it in the background to make this preamp even more exceptional and put it to the utmost in every detail. We have reworked the output stage, the power supply, the phono stage (new phono re-design) and the quality of the components has been readjusted on the decisive points,
The low Output Impedance purist parallel Single-ended 6H30 circuit topology is using zero dB negative feedback. The Line Gain is customer Switchable, 0dB or +6dB. Therefore, the Auris II preamplifier is also very flexible in combination with any type of power amplifier. Of course, we have retained and even intensified the modular and upgradeable concept. Options unbalanced or fully balanced, Signature version and Phono MM/MC-H, MC option for all varieties. All existing Auris I version preamps can be retrofitted to the newest version II.
This “Reference” preamp represents the highest standard of preamp based on 6H30 design achievement. Excellence in engineering, a special tube rectified power supply and superior premium components provides a special magic to the reproduction of music. The performance of the new Auris II is outstanding, very musical and neutral, transparent and vivid in its presentation. There is a huge space of the recording environment reproduced with uncanny realism. It offers a holographic soundstage previously unavailable at this price class.
OPTIONS
Reference Preamp-Unbalanced, Modular & Upgradable Design, 4x6H30 PSE output stage, 4 x Line In/RCA, 1 x HT/In, 2 X RCA/O, 1 x Tape Out, 4 x 6Z4, Tube Power Supply & Choke Regulated, RC 6500 Euro
- Signature Balanced, Top Grade Components + 1800 Euro
- Signature Unbalanced, Top Grade Components + 900 Euro
- Phono Module MM / MC + 1150 Euro
Upsell products
Ayon Polaris III
The new Polaris III is one of the finest tube preamplifier made, regardless of price.
It is a marvel of engineering with its unique C3m tube circuit design, a new revolutionary volume control system and construction. This tube preamplifier presents a new level of musical performance, 3D airy sound and construction quality among mid-priced vacuum tube preamps. It combines exceptional design and outstanding engineering, highest quality parts, best selected material and a never ending love for music. The external Polaris III AC~ Regenerator offers stable, regulated and purified AC power regardless of the incoming AC line quality.
This power supply provides a lowered noise floor, more liquidity, better spatial three-dimensional imaging, greater focus, richer colours, and decreased glare & haze.
- Polaris III Linestage WITHOUT Phonostage MM/MC 20000 Euro
- Fully Balanced Version for Linestage only, 1x Fully Balanced input Option +3000 Euro
Description
Features & Design
Full-featured class A single-ended & true balanced triode vacuum tube stereo preamplifier
Vacuum Tubes
We believe that the simplest circuits work best together with the shortest signal path.
The shorter the signal path is, the less possibility of sonic degradation from various sources, including the wire itself. Even on the circuit boards, the copper traces are kept to a very minimum length. The completely redesigned circuit board provides a more straightforward and direct approach to the signal paths.
Signal Path
We believe that the simplest circuits work best together with the shortest signal path.
The shorter the signal path is, the less possibility of sonic degradation from various sources, including the wire itself. Even on the circuit boards, the copper traces are kept to a very minimum length. The completely redesigned circuit board provides a more straightforward and direct approach to the signal paths.
- Very short signal path
- Simplest direct circuit path for purest musical sound and high reliability
- Low output impedance to drive any tube or solid state power amp
- High current and low impedance design that operates tubes in the best areas their curves
- Minimal discrete wiring for optimum signal propagation
- High quality parts throughout
- Selector switch engages relays located near RCA jacks to switch all inputs
Tube – Power Supply
The power supplies have been further refined with new components and enhanced AC line noise filtration. Low noise power transformer, chokes and filters provide total isolation between the input and output stages which makes this a pure power source.
We also use electrolytic capacitors with much larger storage capacity to make up for the loss in filtering when using resistors in lieu of inductors.
- Tube rectified power supply
- Superior noise reduction
- Low noise –insulated power transformers
- Power transformers are excellent damped and RFI/EMI ultra-shielded
- Innovative power supply provides a high speed energy delivery on transients
- Dual choke filtered power supply for 6H30 tubes
- Separate and isolated power supplies over each stage of amplification
- Regulated DC filament supplies with soft-start power up for extended tube life
- AC power line filter to avoid noise and hash from entering into the unit.
- High capacitance energy storage.
Dual Grounding System
The modification of the grounding topology leads to increased rejection of noise from the power supply and other areas. The dual grounding topology used in all of our amplifiers is quite unique to the whole hi-end tube amplification industry. Such extensive topology provides for quieter backdrop for which the music can unfold in its entirety.
It further establishes the quick and controlled bass response and the full bodied expression of the high frequency. The ground leg of the signal has not been neglected and given meticulous attention in its implementation. The importance of proper grounding cannot be over emphasized.
- Central one-point star earth grounding
- Dual grounding system
Components
The type of parts used therefore must have a synergistic relationship to the circuit they are placed in. It is this relationship of which type of part to use where, that ranks our products apart from the mass.
Mechanical Construction
The high grade aluminium chassis impart a richer, more lustrous tonality with a cleaner background and less hash and grain. All brushed anodized anti-vibration resonance and non-magnetic chassis’s are fully hand assembled to insure the highest level of craftsmanship.
- High selected, best quality passive components used in all applications
- High speed & high quality audiophile grade coupling capacitors
- Special tube sockets with beryllium- copper spring pins
- High quality – RCA input jack
- Neutrik / Swiss – XLR connectors
- Special isolated – internal wiring
- Gold-plated industrial grade PCB
- Optical High quality Input selector
- Optical High quality Balanced Volume control
- Improved heat ventilation chassis
- 2 chrome knobs, custom-made for Ayon
- The aluminium feet are resonance absorbing types
- IR metal remote commander
- Chassis finish: Black
Optional Phono Board
The optional Phono Amplifier contains the best possible Parts available on the Market today. It has a Gain of 45 dB for MM or MC-H Cartridges and 65 dB Gain for low Output MC Cartridges. The Input Load is fixed 47 K for MM-MCH. Remote selectable Load 100 Ohm, 470 Ohm and 1 K for MC.
Specifications
| Tube Preamplifier | Ayon Auris II |
| Class of Operation | Pure Class A, Triode |
| Tube Complement: Line | 6H30 |
| Maximum Output (at 1 kHz ) | ~ 20V rms |
| S/N ratio | > 98 dB |
| Input Impedance | 100 KOhm |
| Output Impedance | ~ 300 Ohm |
| Frequency Response / Line | 5Hz – 125kHz / -3dB |
| Harmonic Distortion (at 1V ) Line | < 0.01% |
| Input | 4 x Line-RCA, 1 x Phono MM or MC-H, MC,(1 x HT-RCA), 2 x Line-XLR |
| Output | 2x RCA, 1x XLR , 1x Tape out |
| Line Output Gain | Switchable 0dB or +6dB |
| Max. Phono Gain MM/MC-H / Line Output | 45dB or 51dB |
| Max. Gain Phono MC / Line Output | 65dB or 71dB |
| Input Impedance Phono MM/MC-H | 47 KOhm |
| Input Impedance Phono MC | 100 Ohm, 470 Ohm, 1 KOhm |
| Input Capacitance | 100pF |
| RIAA Frequency Response | <0.2dB / 25Hz-20 kHz |
| Rumble Filter | 10 Hz / -6dB |
| Dimensions (WxDxH) cm | 50x43x11 cm |
| Weight | 19 kg |
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