Unison Research Unico Primo Integrated Amplifiers

Unison Research Unico Primo Integrated Amplifiers 


  • Output power: >80W RMS on 8O
  • Valve: 1 x ECC83 (12AX7)
  • Sensibilty: 260mV
  • Negative feedback: 10dB


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[Aug 11, 2014]

Superbe amplifier (2013 model).

The hybrid construction with the 12AX7 tube in the preamp stage couple with a MOSFET class A amp is the perfect combination. Nicely built from the outside to the inside. The speakers and RCA terminals are super solid.

The only thing that I would say is that remote could be more precise. I meen the boutons are very picky. The remote itself is a peace of art...

I changed the factory Tung Sol tube to a NOS Raytheon (12AX7A since 1963) witch makes a huge difference. The fact that there is only one Tube makes changes very cheap. I can dream one day to try a NOS Telefunken without saling my house.

Couple with good cables makes the amp just perfect!
Highly recommanded!

System used:
Macbook music server
Benchmark DAC1 HDR
Unico Primo integrated amp
All Nordost cables (BlueHeaven USB, Heimdall interconnect, Vishnu and Blue Heaven AC, Blue Heaven speaker cables)
Proac D28 speakers

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