Unison Research
Unison Research Simply 845 – Integrated Tube Amplifier
The New Simply 845 sits at the pinnacle of Unison Research's production tube integrated amplifiers, second only to the historic, timeless ABSOLUTE 845.
The SIMPLY 845, like the ABSOLUTE 845, uses the famous 845 directly heated triodes as power tubes, tubes that are very long-lasting and have extraordinary sound quality.
The great advantage of integrated amplifiers is that they incorporate the pre-amplification stages with the power stages into a single chassis. This allows for the elimination, in the most rigorous of ways, of the presence of high-cost interconnect cables that are never truly neutral to sound reproduction.
It is worth noting that in the renewed production of the Simply 845 its dimensions have been reduced and all the input and output connectors, rigorously gold-plated and of a new type, have been moved to the rear part of the amplifier.
Technical Specifications
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Type Integrated tube amplifier
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2 x 845 tubes selected, 4 x ECC82/12AU7 tubes selected
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Class Pure Class A
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Single-ended final stage topology
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Maximum power 23W
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Passband 20Hz-50kHz, +0dB; -1dB @ 12W
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Feedback level 14 dB
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Output impedance 6 Ω
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Input impedance 47 kΩ/100pF
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4 level line inputs
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Outputs 1 tape, 1 subwoofer
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Power consumption 300VA
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Dimensions Without packaging 37cm x 26cm x 57cm (LxHxD)
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Weight 30.5 kg
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Mains fuses 5x20mm – 6.3 AT 100V-120Vx20mm – 3.15 AT 220V-240V
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