Unison Research Reference Pre
After we completed the design of our flagship Reference monoblock power amplifiers, we created a need for a preamplifier with the same features and sound
| Brand | Unison Research |
| Model | Reference Pre |
| Frequency response | |
| Total harmonic distortion (%) | |
| Signal-to-noise ratio (dB) | |
| Input impedance (Ω) | 47000 |
| Output impedance (Ω) | 500 |
| Gain (dB) | |
| Phono input | True |
| Height (mm) | 560 |
| Width (mm) | 450 |
| Depth (mm) | 220 |
| Weight (kg) | 30 |