Description

Unico Due is the latest amplifier from Unison Research. Unico Due benefits from Unison Research’s decades of experience in design and production technology. It maintains all the best qualities that made its predecessor a runaway success and introduces new and enhanced features.
The electronic circuitry of the Unico Due has been completely redesigned. While maintaining the qualities that made the Unico range such a legend in the audio industry, key improvements have been made that are nothing short of ground-breaking. Firstly, the power supply circuits have been enhanced thanks to a substantial increase in filter capacitance size and to a new high quality shielded and encapsulated power transformer. The new power distribution system of the audio power output stage combines space optimization and superior circuit solutions.

The Unison Research Unico Due is a highly regarded hybrid integrated amplifier/DAC that combines a warm, sweet, and engaging valve-based tube preamp stage with a powerful 100W/ch (8) solid-state power stage. It delivers a large soundstage, excellent dynamics, and smooth, detailed audio, making it a standout “best-buy” in the under-$5k category

Combines the sweetness and liquidity of ECC83 tube preamps with the “iron fist” of MOSFET solid-state power.

Delivers a robust 100W into 8 ohms and 180W into 4 ohms, featuring a “super-symmetrical” design that reduces distortion.

Features an ESS Sabre ES9018K2M DAC capable of handling high-res files (32-bit/384kHz PCM and DSD256) via USB.

Despite its warmth, it offers excellent grip, bass impact, and drive. 

• Output power: 100+100W on 8Ω, 180+180W on 4Ω, 290W+290W on 2Ω
• Valves:  2 x ECC83 (12AX7)
• Filter capacitance:    80,000uF
• Output stage: Dynamic Class A 4X power BJT double complementary pair, “Super-Symmetric” configuration
• Biasing: Dynamic Class A
• Inputs:  3 analogue line (RCA) programmable volume AV input, 1 digital (USB), 1 tape RCA, 1 Phono MM / MC
• Analogue line Outputs: 1 tape (RCA), 1 stereo subwoofer (RCA), 1 DAC
• Remote: IR volume and source
• PHONO stage
• Input impedance: 47 kohm / 220 pF (MM) – 100 ohm / 440 pF (MC)
• Gain: MM 40 dB, MC 50 dB
• Gain Selection: +0 dB / +10 dB
• Max input voltage: 120 mV @ 1kHz (MM)
• RIAA: active low frequency, passive at high frequency
• THD: 0.09% @ 5mV, 1kHz, MM