UNISON RESEARCH REFERENCE PRE

Description

After having completed the creation of the Reference final amplifier, the preamplifier with equal quality and sound characteristics, worthy of belonging to the aforementioned series, was created, the Reference PRE. The attention and care that have always distinguished Unison Research products was dedicated to this project, with the aim of including another milestone in audio amplification in the catalogue.

Technical specifications

Type: phono line tube preamplifier, double chassis

Class: Pure A

Line valves: 2 x 300B, 2 x ECC 82, 2 x ECC83, 2 x6C45P

Phono tubes: 4 x 6C45P, 2 x ECC83

Inputs: 4 RCA, 2 XLR, 1 tape, 2 independent phono

Outputs: 1 RCA, 1 XLR, 1 tape (active), 1 sub woofer (active), REFERENCE power amp control

Output impedance: 500 Ohm

Line input impedance: 47 kOhm

Phono input impedance: selectable, resistance and capacitance

Phono amplification: 45 – 55 dB

RIAA: passive ± 0.2 dB

Frequency Response: 10Hz – > 100KHz @ – 0.3dB

Feedback factor: 15 dB line, 0 dB phono

Distortion: 0.1%

Consumption: 320W max.

Dimensions: 45 cm x 56 cm x H 22 cm

Net weight: 30 kg