Reference Pre

Preamplifiers

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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 quality. We came up with a preamplifier design worthy of that series, the Reference PRE. Made with the care and attention detail that characterizes all products from Unison Research, the Reference PRE preamplifier is truly another milestone in audio reproduction.




  • Type: tube preamplifier, dual mono, three chassy
  • Tube: 2 x 300B, 2 x ECC82, 4 x ECC83, 6 x 6C45P
  • Class: pure class A
  • Inputs: 4 line (2 balanced), 1 tape, 2 phono
  • Input impedance : 47 Kohm line inputs, set for phono
    1 unbalanced and balanced, 1 tape (active), 1 sub woofer (active),
    2 remote switch on for power REREFENCE
  • Output impedance : 500 ohm
  • Volume control: radio
  • Power consumption : 320 W max
  • Dimensions: 41,5 x 57 x h 22
  • Net Weight: Kg. 25

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