SKU: 80207395445

Unison Research Simply 845 Integrated Tube Amplifier

Sale price$8010.00 Regular price$8900.00
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Description

Unison Research Simply 845 Integrated Tube AmplifierSimply 845 The New Simply 845 ranks at the top of Unison Researchs 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

Simply 845

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.

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 employed is considerably different from cores commonly used in audio products and consists of a stack of thin laminations of a special alloy of iron and silicon all insulated from each other, the molecules of which are oriented and fixed in a stable manner to facilitate the flow of the lines of force of magnetic fields.

Circuits

In the Simply 845 all stages, both the preamplifier and power output, operate in pure class A. The preamplifier circuits are fed by stabilized linear-type electronic power supplies designed specifically to minimize interference with mains noise.

In the electronic circuits, all capacitors affected by the audio currents are anti-inductive with armatures insulated by polypropylene dielectrics, the ultimate in current technology. The printed circuit boards used are not of the normal industrial type, but differ in having fiberglass backing, and pure electrolytic copper traces three times as thick as the standard.

The volume potentiometer plays a very important role in high sound quality, and for this reason our choice fell on the famous RK27 motorized Japanese-made ALPS.

Shipping Notes
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Exchange/Return Notes
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  • Final sale items are not eligible for returns or exchanges.
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SKU: 80207395445

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daisy
West Palm Beach, US
★★★★★ 1
That the item smells
I bought this as an overnight bag. I ended up not using because I had to wash it 3 times and it still smelled bad!
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Reviewed in the United States on October 27, 2024
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Customer
Battle Creek, US
★★★★★ 3
Tote bag
The crossbody clamps continuously come off or disattach from the bag. It does not hold a form when set down. Handles are in the way of zipping the bag. The dynamics of this bag just aren't great. The material is scratchy. Overall it's just not a great tote bag.
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Reviewed in the United States on October 21, 2024
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jrc
Dallas, US
★★★★★ 4
Ample
Good size and carrying options (strap, crossbody). Adequate compartments and hardware. I like the relatively neutral "green" color (there are 3 other options). All color options share the strap pattern; I find it OK but would prefer if the strap were the same color (solid) as the bag itself.
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Reviewed in the United States on October 17, 2024
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Janna Reebok
New York, US
★★★★★ 5
Love the vibrant straps, a cute everyday bag!
This shoulder handbag is a good value for the cost. Made of good quality materials. I especially like the silver rings for attaching the longer strap, and the silky material of the straps themselves is also nice. Inside there are several zippered pockets for your keys, pens, and other items. There is also a pocket for your cellphone. I use this bag for carrying my laptop back and forth to work, and I always feel very stylish when I am wearing it. The size is perfect for carrying a laptop or notebooks and books back and forth or for carrying on luggage on a plane. My one small complaint is the length of the sewn on straps is just slightly too short. I sometimes have to bend my arms more extremely to get them through the longer, sewn-on shoulder strap.
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Reviewed in the United States on August 29, 2024
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LaDiosa
Charlottesville, US
★★★★★ 5
Heavy duty, thick tote bag.
This is a pretty heavy duty canvas bag. It’s a little smaller than it looked in the ad, but it does seem very strong and put together and I think it is waterproof or water resistant so that’s useful. I can definitely see this for shopping or just like out running errands, it’s got two sets of straps are nice. You can wear it multiple ways. The quality is pretty good. Better than a lot of the bags that I’ve been getting these through Amazon.
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Reviewed in the United States on September 3, 2024

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