Unison Research Unico Due Black Integrated Amplifier

Product Description

The Unico Due is a high-performance integrated amplifier that combines a valve pre-amplifier with a solid-state output stage for a class-leading performance that draws heavy inspiration from the flagship Unico 90 & Unico 150 models. The electronic circuitry of the Unico Due has been completely redesigned from the ground-up. By working to the same brief as previous Unico models Unison Research have introduced changes in the circuitry the power supply method the pre-amp stage the power amp stage & with the variety of settings & inputs. All based on generously sized 105µm tracks & using only the finest possible components the circuit board is fed by a sophisticated power supply method that features a specially designed encapsulated transformer for increased efficiency & superlative sound. The heart of the preamplifier stage is based around two ECC83 double triodes (one per channel) which were purpose-chosen after hours of listening tests. Configured as a gain stage followed by a cathode-follower the circuits low output impedance efficiently drives the power stage that follows for minimal electrical interference. The power amplifier stage itself features a sophisticated implementation of MOSFET transistors resulting in 100W per-channel output (8Ω). The net result of which is a clean powerful output with incredibly low levels of distortion. By reducing distortion so significantly in this stage Unison Research have ensured that only the sonic character of the valves remain – staying true to the fundamental purpose of the Unico line. The Unico Due stands out as a modern system hub not just thanks to its multiple line-level inputs but also as a result of its built-in USB (Universal Serial Bus) DAC & phono stage. The USB (Universal Serial Bus) input features an ESS Sabre DAC ES9018K2M with jitter eliminator circuit offering support for audio files up-to 32-bit/384k Hz PCM & DSD256. Elsewhere the integrated phono stage module is pre-set to accept Moving Magnet (MM) cartridges but can be modified by a service engineer to cater for Moving Coil (MC) devices. in addition the Unico Due has settings for AV passthrough subwoofer output DAC output a TAPE loop & to adjust channel balance. The Unico Due is a powerful easy to accommodate amplifier with a wide range of features & a sonic presentation that boasts all the benefits of valve technology with none of the shortcomings.