State of the artThe Spheris III - Linestage is designed to
be the new reference standard in vacuum-tube linestage pre-amplification
and for audiophiles who will accept nothing less than simply the best.
It is a marvel of engineering with its unique C3m tube circuit design, a
new revolutionary volume control system and construction. This
preamplifier sets a new standard for natural musical performance with
its extraordinarily wide bandwidth, extremely low distortion, colourful,
superior dynamic range and an airy three-dimensional holographic
soundstage. The external Spheris 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 glarehaze. 2 Chassis full-featured Class Atriode/pentode single-endedtrue balanced vacuum- tube stereo preamplifierUnique
new pure vacuum tube-circuit design with single gain stage and
incorporates only one coupling capacitor at its output stageLimited productionVacuum TubesThe
choice of signal and power tubes have a significant influence on the
sound and hence on the inspiration and joy of listening. This is not
only the decision between good and bad tubes but finally the interaction
of the different types of tubes and their combination that are used in
the various Ayon amplifiers. Special tubes for stereo line-amplification ( tube life min. 10000 hrs )Signal PathWe
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. Ultra short signal pathSimplest direct circuit path for purest musical sound and high reliabilityVery low output impedance to drive any tube or solid state power ampNo solid state devices in the signal pathHigh current and low impedance design that operates tubes in the best areas their curvesMinimal discrete wiring for optimum signal propagationNo followers or buffers in the signal pathHigh quality parts throughout0dB negative feedback(of any kind )All line inputs - impedance1MOhmSelector switch engages relays located near RCA jacks to switch all inputsSpecial alloy solder used for the best electrical connectionAC~ReGenerator - Power SupplyThe
power supplies have been further refined with new components and
enhanced AC line noise filtration. Separate power transformers, 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 with built in AC ~ RegeneratorRegenerated AC power and low distortion sine waveSuperior noise reduction2 separate low noise insulated power transformers Power transformers are encased, excellent damped and RFI/EMI ultra-shieldedInnovative power supply provides a high speed energy delivery on transientsTriple choke filtered power supply for power tubesSeparate and isolated power supplies over each stage of amplificationRegulated DC filament supplies with soft-start power up for extended tube lifeAC power line filter to avoid noise and hash from entering into the unit. High capacitance energy storage. Frequency meter (60Hz)Dual Grounding SystemThe
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. Ground switchCentral one-point star earth groundingDual grounding system (switchable)ComponentsThe
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. Ultra selected, absolute best quality passive components used in all applications High speed high quality audiophile grade coupling capacitors Special tube sockets with beryllium- copper spring pins, custom made by AyonWBT / High qualityRCA input jackNeutrik/Swiss - XLR chassis connectorsSpecial isolated - internal wiringPremium internal signal cable uses ultra pure, soft annealed copper and super low loss insulation Gold-plated industrial grade PCB Elma/Swiss - Input selector switches VTCvolume transformer control, 4 channels / 42 position - electronic-relay system, custom made by ayonThis stepped volume control system has a channel balancewithin +/- 0.05dB. TantalumThe best sounding precision special resistors 0,5% are used everywhere, best resolution and lowest noise. Rifa - Long life capacitorsMechanical ConstructionThe
high grade aluminum 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 chassiss are fully hand
assembled to insure the highest level of craftsmanship. Improved heat ventilation chassisBacklit front panel displays indicate level attenuationinput selection3 Platinum knobs with backlit glass pivot, custom-made by AyonThe aluminium feet are resonance absorbing typesAll frontrear panel descriptions are engravedGround switchAC phase polarity control indicatorVolumeMute function - RCMetal remote commanderChassis finish: black / chrome


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