Unison Research REFERENCE PRE Dual Mono Tube PreAmplifier

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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.

Remote control: Radio


  • 2 x 300B
  • 2 x ECC 82
  • 2 x ECC 83
  • 6 x 6C45P


  • 2 x ECC83
  • 4 x 6C45P
Typetube preamplifier, dual mono, three chassy
Tube2 x 300B, 2 x ECC82, 4 x ECC83, 6 x 6C45P
Classpure class A
Inputs4 line (2 balanced), 1 tape, 2 phono
Input impedance47 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 impedance500 ohm
Volume controlradio
Power consumption320 W max

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