Unison Research Reference Pre Tube Preamplifier

The dual-chassis design ensures complete physical and electrical isolation between the left and right channels. This configuration minimizes crosstalk and interference, resulting in a wider, more precise soundstage and improved channel separation.

Yes, while it is voiced to perfectly complement the Reference series, its extensive RCA and XLR connectivity makes it compatible with a wide range of high-end power amplifiers. Its neutral, high-fidelity output ensures it integrates well into most premium audio systems.

The 300B valves are renowned for their exceptional linearity and rich, harmonic texture. By incorporating them into the signal path, the preamplifier delivers a warm, organic, and highly detailed sound that is characteristic of top-tier tube amplification.

Yes, the Reference PRE features two independent phono stages, allowing for high-quality vinyl playback. The gain is adjustable between 45 and 55 dB, providing flexibility to match different cartridge outputs.

Pure Class A operation ensures that the output transistors or tubes are always conducting, which eliminates crossover distortion. This results in a smoother, more natural sound profile with superior clarity, especially during delicate musical passages.

Yes, the preamplifier includes dedicated subwoofer outputs. This allows you to easily integrate a powered subwoofer into your setup to extend the low-frequency response of your main speakers.