UNISON RESEARCH PHONO ONE

Description

Phono One has been one of Unison Research's most popular devices. Its production was discontinued a few years ago, but the demand has never dried up. We therefore decided to propose it again, renewed and improved. The aesthetics have remained unchanged, maintaining the original version, valid even after some time. A product designed and created for those looking for a phono preamplifier capable of offering top-level sound quality.

Technical specifications

Type: stereo phono tube preamplifier

Class: Pure A

RIAA : passive +/- 0.1 dB (20 Hz / 20 KHz)

Output Impedance: 800 ohms.

Outputs: 1 x line

Gain: 54dB

Total harmonic distortion (THD): 0.1% for 1 volt output

Signal to Noise Ratio (S/N): –80 dB

Inputs: 1 for MM or MC phono valve

Input impedance: 47 Kohm – 100 – 50 – 22 ohm / 100 – 200 – 320 – 420 pF (modifiable)

Feedback factor: 0 dB.

Valves: 5 x ECC83 / 12AX7

Power supply: external

Dimensions: 37.3 x 5.84 x h 24.63 cm.

Weight: approximately 3.6 kg (including external power supply)