Unison Research Simply 845 Integrated Amplifier

The new Simply 845 The creation of this audio component is the result of years of design experience, in-depth knowledge of electronic tubes, and our passion and desire to make "unique" pieces of great value, in which traditional craftsmanship is combined and integrated with high electronic technology.

The New Simply 845 ranks at the top of Unison Research's line of integrated tube amplifiers, second only to the historic ABSOLUTE 845. The SIMPLY 845, like the ABSOLUTE 845, also employs the famous 845 direct-heated triodes, tubes well known for remarkable durability and extraordinary sonic qualities.

The great advantage of integrated amplifiers is the incorporation in a single chassis of the preamplifier and the power amplifier. This makes it possible to eliminate the need for high-cost interconnect cables that are never truly neutral to sound reproduction. It should be noted that in the renewed production of the Simply 845 its size has been reduced by bringing all input and output connectors, strictly gold-plated and of a new type, to the rear of the amplifier.

Transformer

As in all Unison Research tube amplifiers, the output transformers in the Simply 845 are of our exclusive design and made one by one, by hand.

A good output transformer is not only the result of a rigorous design, but also the choice of materials particularly suited to act linearly with the intense magnetic and electric fields interacting within it.

The Simply 845 uses very thin Mylar and Polypropylene insulators suitable to contain parasitic capacitance and dispersion of magnetic fluxes as much as possible thus achieving an extended frequency range and very low harmonic distortion.

In addition, the ferromagnetic core

Specifications

Type: Integrated Valve Amplifier

Valves : 2 x 845 Selected 2 x ECC 82 / 12AU7 selected

Class : Classe A Output stage topology: Single-ended

Maximum Power : 23W

Bandwidth: 20Hz-50kHz, +0dB -1dB @ 12W

Feedback Level : 14 dB

Output impedance: 6 Ohm

Input impedance: 47 Kohm / 100 pF

Input: 4 line level Outputs: 1 Tape, 1 Subwoofer

Power Consumption: 300VA

Sizes: 37 cm x 26 cm x 57 cm ( L x H x D ) 14 1/2 x 10 1/4 x 22 1/2 inch

Weight: 30,5 kg - 67 Ibs

Main Fuses: 5x20mm – 6.3 AT 100V-120V