Zesto Audio Andros 1.2

5687 €

Reference Quality Phono Preamplifier

La nueva referencia en previos de fono de válvulas. Excepcional sonido y muy flexible.

Key Features

  •  The Circuit is specifically designed to provide sufficient amplification to match your cartridge with the rest of your system.
  •  Each unit is hand built “Made in the USA”.
  •  50 hour factory burn in on all circuits and vacuum tubes.
  •  A low Noise level of -75 dBu below maximum output allows the quietest passages of you music to be heard.
  •  The output circuit is designed to drive your cables and isolates the output from the influence of the next stage.
  •  RCA connectors are high quality, Gold plated, recessed with an isolated ground.
  •  Isolated ground RCA connectors plus the Ground On/Off switch will allow you to choose the best ground configuration.
  •  Recessed RCA connectors are durable and will hold up to the typical Audiophile who loves to change their configuration.
  •  All switches and knobs are easily accessible, nothing hidden inside to adjust.
  •  Two position MM switch 47K and 15K Ohms to accommodate more cartridges.
  •  10 position MC load switch from 20 to 1000 Ohms and more in the sweet spot above 200.
  •  Accommodates both high and low MC output cartridges
  •  Elegantly designed 16 gauge steel enclosure to help isolate the electronic “chatter” from nearby equipment.
  •  On/Off power switch conveniently mounted on front side panel
  •  Easy to read large type on back panel
  • Separate MM and MC inputs
  • MM/MC switch
  • MM impedance switch 47K or 15K Ohms
  • MM capacitance 200pf
  • MC Single Ended RCA with isolated ground or Balanced XLR3F
  • MC ground on/off switch
  • MC load impedance adjustable 1000, 800, 600, 500, 400, 300, 200, 100, 50, 20 Ohms
  • MC Internal step up transformers
  • MC High/Low switch with ~ -3dB gain for high output MC cartridges

Outputs per channel

  • Impedance 10K ohms
  • +6V max output level

Active Components

  • Four (4) Gold pin JJ ECC83S/12AX7 vacuum tubes with high quality gold pin ceramic sockets


  • Ground binding post
  • Power consumption 27W , 0 drain when off
  • Voltage 110/120V AC 60Hz
  • Optional factory installed 220V or 230/240V AC 50/60Hz
  • Standard 3 pin IEC power connector
  • ON/OFF power switch conveniently located on the front side
  • Two internal high quality linear regulated power supplies, 250V and 12V

Detailed Specifications

  • Gain MM input 47dB
  • Gain MC input 67dB
  • Noise – 75dBu below max output level
  • Frequency response complies with the original RIAA curve within +or- 0.5 dB
  • RIAA curve is achieved using a passive filter
  • 1% metal film resisters throughout
  • Polypropylene capacitors throughout the audio path

Other Features

  • “Made in the USA” using US and imported parts
  • Each unit is built by hand
  • 50 hour factory burn in on all circuits and vacuum tubes
  • Dimensions 17″ W X 12″ D X 5″ H
  • Weight 20 lbs.
  • 16 gauge zinc plated steel enclosure
  • Two year limited warranty
  • Six months warranty on Vacuum Tubes
Fabricante: Zesto Audio
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