Unison Research Integrated Amplifiers

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Absolute 845

Unison Research Absolute 845 Front
$47,275.00

Performance

Unison Research Performance Front
$13,910.00

Sinfonia

Unison Research Sinfonia mahogany
$6,820.00

Preludio

Unison research preludio tube integrated amplifier
$4,090.00

S6

Unison Research S6 Maple
$5,910.00

Triode 25

Unison Research Triode 25 valve amplifier
$4,635.00

Simply Italy

Unison Research Simply Italy Cherry
$3,090..00
Unison Research Absolute 845 Front
Unison Research Absolute 845 rear

Absolute 845

The popular American magazine The Absolute Sound first picked the Absolute 845 as the best product of 1994. After more than 20 years, the Absolute is still ranked first overall in tube amps with a score higher than any other amplifier. No other audio product has remained at the top of its class for so long. The Absolute 845 is not only the story of Unison Research, it is a significant piece of audio history in general, forever tied to the world of analog valves. In many ways, the Absolute is still unsurpassed.

Unison Research Absolute 845 Integrated Amplifier Specifications

Type: Dual mono Stereo Integrated Valve Amplifier

Stadio di usita: single ended parallelo A class

Output Power: 40 watt / channel

Output Impedance: 4 – 8 Ohm

Inputs: 5 line, 2 tape

Input Impedance: 47 kOhm

Outputs: 2 tape, loudspeakers bi-wiring

Feedback factor: 10 dB

Frequency Response: 20 Hz – 30 kHz

Valves: 4 x 845, 6 x ECC82, 2 x ECC83

Power Consumption: 700 VA

Dimension: 31,7 x 23,8 x 11 inches

Net Weight: 199 lbs

Unison Research Performance Front
Unison Research Performance Back

Performance

In the twenty years we have been designing and building audio products, Unison Research has always listened to the concerns and comments of our customers worldwide. They realized that over time, those customer needs have changed. In response, we have given a different look to many of our products, and they’ve updated some of our most classic and beloved designs. The latest version of the legendary Performance integrated amplifier offers increased power while staying true to the look of the original—an icon of rare elegance and musical pleasure.

Unison Research Performance Integrated Amplifier Specifications

Type: Dual mono Stereo Integrated Valve Amplifier

Output Stage: single ended parallel ultralinare A class

Output Power: 45 W / channel

Inputs: 4 line, 1 tape

Input Impedance: 47 kOhm

Outputs: 1 tape, loudspeakers bi-wiring

Output Impedance: 4 – 8 ohm

Feedback factor: 16 dB

Frequency Response: 20 Hz – 30 kHz

Valves: 6 x 6550/KT88 , 2 x ECC82 , 2 x ECC83

Remote Control: IR inputs and volume

Power Consumption: 500VA max

Dimension: 60cm x 48cm x 23,5 cm.

Net Weight: 50 Kg

Unison Research Sinfonia mahogany
Unison Research Sinfonia Back

Sinfonia

Part of Unison Research’s classic line of tube amplifiers that include the Preludio and the Performance, the Sinfonia integrated amplifier retains the technical approach, sound and beautiful aesthetics found in the rest of the line. While the Sinfonia offers both stunning looks and equally stunning sound, it is also extremely reliable due to its unique design solutions, quality materials and the highest of build quality standards.

Unison Research Sinfonia Integrated Amplifier Specifications

Type: Dual mono Stereo Integrated Valve Amplifier

Output Stage: single ended parallel ultraliner A class

Output Power: 25W

Inputs: 4 line, 1 tape

Input Impedance: 47 kOhm

Outputs: 1 tape, 1 subwoofer, loudspeakers bi-wiring

Output Impedance: 4 – 8 ohm

Feedback factor: 14dB

Frequency Response: 20 – 30000 Hz

Valves: 4 x 6550/KT88, 2 x ECC82, 2 x ECC83

Remote Control: IR inputs and volume

Power Consumption: 500W max

Dimension: 44 x 42 x 21 cm.

Net Weight: 55 Ibs

Unison research preludio tube integrated amplifier
Unison Research Preludio Back

Preludio

Part of Unison Research’s classic line of tube amplifiers that include the Sinfonia and the Performance, the Preludio integrated amplifier continues the technical approach, sound and aesthetics of its larger siblings. While the Preludio’s appearance is certainly gorgeous, it is also extremely reliable due to its unique design solutions, quality materials and adherence to the highest of standards.

Unison Research Preludio Integrated Amplifier Specifications

Type: Stereo Integrated Valve Amplifier

Output Stage: single ended ultraliner A class

Output Power: 14W / channel

Inputs: 4 line, 1 tape

Outputs: 1 tape, 1 sub woofer, loudspeakers

Input Impedance: 47 kOhm

Output Impedance: 6 ohm

Feedback factor: 10dB

Frequency Response: 15 – 50000 Hz

Valves: 2 x 6550/KT88, 2 x ECC82

Remote Control: IR for volume

Power Consumption: 200W max

Dimension: 37.5 x 40 x 18cm

Net Weight: 40 lbs

Unison Research S6 Maple
Unison Research S6 Back

S6

The Unison S6 integrated amplifier offers personality, refinement and aesthetics…and a totally new amplifier design from a mechanical standpoint. The latest version of Unison Research S6 has been steadily updated and improved over the years to the point where it is easily one of the most respected integrated amplifiers in the world. The contrasting highlights of the wooden inlays on the front panel also reveal the technical sophistication of this amplifier, emphasizing the pride of ownership that comes with the term “Made in Italy.”

Unison Research S6 Integrated Amplifier Specifications

Type: Stereo Integrated Valve Amplifier

Output Stage: single-ended parallel, ultraliner

Classe: pure A class

Output Power: 30/35 Watt/channel

Frequency Response: 20 – 50000 Hz

Output Impedance: 6 Ohm

Input Impedance: 47 kOhm

Inputs: 5 line

Outputs: 1 tape, loudspeakers

Power Consumption: 265VA max

Dimensioni : 35 cm x 21cm x 49 cm (L x H x P )

Net Weight: 55 lbs

Unison Research Triode 25 valve amplifier
Unison Research Triode 25 Valve amplifier

Triode 25

Three amplifiers symbolize the success of Unison Research: the Simply Two, the Triode 20 and the legendary Absolute. On the occasion of the 25th anniversary of the birth of Unison Research, they pay homage to these historic devices by offering the Simply Two and the Absolute in a limited and numbered “Anniversary” edition. They’ve also decided to offer a completely new version of the Triode 20 and named it, quite appropriately, the Triode 25.

Unison Research Triode 25 Integrated Amplifier Specifications

Output Stage: Push-pull, ultralinear, Class-AB

Output Power: Approx. 45 watt per channel

Pentode configuration

Approx. 25 watt per channel

Triode configuration

Output Impedance: 6 Ohm

Input Impedance: 47 kOhm / 50 pF

Negative feedback: 5 dB or 1.8 dB

Valve complement: 2 x ECC83 (12AX7) 1 x ECC82 (12AU7) 4 x EL34 (6CA7)

Power Consumption: 300 watt max

Fuses: T6.3A from 100V to 130V T3.15A from 220V to 250V

Dimensions: 30 cm x 45 cm x H. 20cm

Net weight : 20 Kg

Unison Research Simply Italy Cherry
Unison Research Simply Italy Back

Simply Italy

Unosin Research have taken what they’ve learned from designing our largest amplifiers, and applied to this small yet brilliant gem. The Simply Italy integrated amplifier builds on the legendary strengths of the Unison Research Simply Two, one of the most successful integrated amplifier designs in the world. This new integrated amplifier, thanks to more efficient engineering, provides better sound quality as well as better reliability and tube life.

Unison Research Simply Italy Integrated Amplifier Specifications

Type: Stereo Integrated Valve Amplifier

Output stage: Single-ended, ultralinear, Class-A

Output power: Approx. 12 watts per channel

Output impedance: 6 Ohm

Input impedance: 47kohm / 50 pF

Negative feedback: 5 dB or 1.8 dB

Valve complement: 2 x ECC82 (12AU7)

2 x EL34 (6CA7)

Power consumption: 85 watt

Fuses: T2A from 100V to 130V

T1A from 220V to 240V

Dimensions (mm.): 26 cm x 35 cm x H. 19cm

Net weight: 15kg