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Peak HiFi is a well established business and was formed in 2004 as audio consultants specialising in high quality audio equipment, with a particular fondness for stereo and analogue equipment, we are particularly enthusiastic for classic turntables such as the Garrard 301 and the Garrard 401. Peak HiFi offers a select range of new and approved used equipment, accessories and services. Reconditioned Garrard 301 and 401 units are available as well as beautifully engineered plinths for these decks. We welcome you to visit us at our premises in the Peak District and to take advantage of our relaxed surroundings and two demonstration rooms where we can demonstrate all of the equipment and assist you with your selection. Please call us to fix an appointment.

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Home > Products > Amplifiers > Unison Research Valve Series > Absolute 845

Absolute 845

Absolute 845
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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 analogue valves. In many ways, the Absolute is still unsurpassed.

Key Features:

  • Flagship integrated tube amplifier 
  • 40W output power per channel
  • Utilises a total of 12 tubes for its pre and power output 
  • Pure audiophile grade sound quality

Technical Data:

Type: Dual Mono Stereo Integrated Valve Amplifier
Output Stage: Single Ended Parallel A class
Output Power: 40W (Per Channel)
Impedance: 4 - 8 Ω
Inputs: 5 x Line
2 x Tape

2 x Tape
Loudspeaker Bi-Wiring
Input Impedance: 47 kOhm
Feedback Factor:  10dB 
Frequency Response:  20Hz - 30kHz

4 x 845
6 x ECC82
2 x ECC83
Power Consumption: 700W
Dimensions (W x D x H): 80.5 x 60.5 x 27.94cm
Net Weight: 90.3kg

This item is available to Special Order.

Product Code: UR Absolute 845

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Absolute 845 Absolute 845

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