With regard to the comparison of the last two options, the situation is rather ambiguous. It appears that the player is explicitly focused on proprietary closed, but a well-matched to the system resistances. The main conclusion that can be drawn from the results of listening in our system, is that the regime "Lo" far preferable - it gives a more subtle, detailed and informative sound compared to some linear mode "Hi", but the level of output in many cases, the signal may thus be sufficient. We checked out the Unison Research Unico CDE in three modes: installing gain "Hi" built-in DAC and by default, with the gain setting on the "Lo" and built-in DAC, and the third one was different from the previous switching to the optional DAC. Control - an old friend from UR, gorgeous wood bar with an aluminum plate and black buttons, beads. The picture from the rear, not so majeure: Unison Research Unico CDE definitely can not boast high-quality switching connectors, plus they are fairly closely. In a large three-line display shows a lot of different information. Luxury front panel, which creates a one-piece design of the device and is its chief ornament, has an unusual and stylish pearl-gray color (excellent surface dressing is obtained by cold forging, used, for example, in jewelry). He also collected on a separate board, easy to install into the housing, and is connected directly through the player menu, without the need of climbing into it. ![]() The second non-standard possibility - optional on-chip DAC Wolfson Microelectronics WM8740. ![]() On the back of the player, there is a switch mode gain Lo/Hi (low/high), which is in position "Hi" implements mixed transistor-tube stage, while in the "Lo" amplification of the signal remains clean tube. Since the repeater does not provide voltage gain, to increase the output level (to a maximum of 9 dB), you can use a low-noise operational amplifier installed at the output of the DAC. Set of four double triode Tung-Sol 12AX7 (which is twice more than the previous model) is in the output stage is made on the cathode follower circuit with parallel tubes. The device contains eight independent control circuit supply voltage. Power transformer 100 V*A, drive and connecting connectors on the rear panel shielded metal covers. Audio part, as well as other functional parts of the scheme, in accordance with the modular philosophy of the company collected on separate printed circuit boards, which makes it possible to carry out in the future, a simple and fast upgrade. The player Unison Research Unico CDE used trucks TEAC CD5010A, sampling rate converter up to 96 kHz Crystal CS8420 DAC and Crystal CS4392, working with the data to 24-bit/192 kHz.
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