Ayon Spheris

• 2 Chassis full-featured class A single-ended & true balanced triode-pentode vacuum tube stereo preamplifier
  
  
• Unique new pure vacuum tube-circuit design and maintains an exceptional bandwidth that extends well beyond 500 kHz
  
  
• DHT
• 0 dB negative feedback
• Purist tube design (no any transistor) and shortest possible signal paths
• Very low output impedance for driving very long runs interconnect to an amplifier, and any tube or solid state power amp
  
  
• Ultra selected, absolute best quality passive components used in all applications
• Central one-point earth grounding
• Fully hand assembled to insure the highest level of craftsmanship
• Limited production
• The beautifully crafted aerospace grade aluminium-brushed, anodized and anti-vibration resonance, non-magnetic chassis shields effectively against RFI and EMI.
  
  
• Backlit front panel displays indicate level attenuation & input selection
• All front & rear panel descriptions are engraved
• 3 Platinum knobs (selectors, volume) with backlit glass pivot
• The aluminium feet are resonance absorbing types
• Chassis finish: black
  
  
• Elma/Swiss - 4 channel / precision 24 position stepped attenuator volume control with 192 Welwyn ultra linear metal-film resistors 0.1%
  
  
• This stepped volume control has gold plated contacts and a channel balance within +/- 0.05db (custom-made for ayon)
  
  
• Elma/Swiss - Input selector switches
• Selector switch engages relays located near RCA jacks to switch all inputs
• Gold-plated industrial grade PCB
• Audio circuit boards are anti- resonance-damped mounted
• Silver solder used for the best electrical connection
• 4 Special tubes for stereo line-amplification (tube life min. 10000 hrs)
• 4 Special tubes for stereo phono-amplification (tube life min. 10000 hrs)
• Passive RIAA equalization with 0dB feedback
• Very low noise enables full use of cartridges down to 0.1mV
• High-Current filament regulator for signal tubes and soft start automatic
• Special vibration dampening system for all signal tubes
• Lundhal/Sweden - 2 MC phono transformer
• Lundhal/Sweden - 2 Balanced splitting transformer between single-ended and balanced input
  
  
• Tantalum - The best sounding precision special resistors are used everywhere, best resolution and lowest noise
  
  
• Mundorf/Germany - Supreme/silver-gold capacitors
• Rifa - Long life capacitors
• DC-Power filter
• Ayon - Premium internal signal cable uses ultra pure, soft annealed copper and super low loss insulation.
  
  
• Remote Control for Volume
• WBT/ Germany - RCA input jacks
• Neutrik/Swiss - XLR chassis connectors

EXTERNAL AC~REGENERATOR - TUBE POWER SUPPLY

The Spheris 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.

Features

• Tube regulated power supply with built in AC ~ Regenerator
• Regenerated AC power and low distortion sine wave
• Superior noise reduction
• Fully hand assembled to insure the highest level of craftsmanship
• Limited production
• The beautifully crafted aerospace grade aluminium-brushed, anodized and anti-vibration resonance, non-magnetic chassis shields effectively against RFI and EMI.
• All front & rear panel descriptions are engraved
• The feet are resonance absorbing types
• Chassis finish: black
• AC phase polarity control indicator
• AC voltage and frequency meter
• DC-Power filter
• Voltage adjustable (100V to 115V and 200V to 230V)*
• Frequency adjustable (50Hz, 60Hz & 120Hz)*
• Tube-regulated & stabilized (RCA 6AX5GT rectifier tubes)
• Lundhal/Sweden - Dual choke power supply
• 2 large noiseless toroidal power transformers are encased, excellent damped and RFI/EMI ultra-shielded (custom-made for Ayon )