Unison Research

Unison Research PhonoOne Valve Phono Preamplifier

$3,499.00
  • Unison Research PhonoOne Valve Phono Preamplifier

Tech Specs

  • Type: Stereo Phono Valve Preamplifier
  • Class: pure A
  • RIAA : passive +/- 0.1 dB (20 Hz / 20 KHz)
  • Output Impedance: 800 ohm.
  • Outputs: 1 x line
  • Gain : 54 dB
  • Total Harmonic Distorti on (THD): 0.1 % at 1 volt output
  • Signal to Noise Ratio (S/N): – 80 dB
  • Inputs: 1 x MM or MC
  • Input Impedance: 47 Kohm – 100 – 50 – 22 ohm / 100 – 200 – 320 – 420 pF (modifiable)
  • Feedback Factor: 0 dB.
  • Valves: 5 x ECC83 (12AX7)

      Dimensions: 14.7 w x 9.7 d x 5.8 h in.
      Weight: 8 lbs.


      Unison Research

      Unison Research PhonoOne Valve Phono Preamplifier

      $3,499.00
      PhonoOne has been one of the mostly appreciated Unison Research units. Even if the production of this item has been discontinued some years ago the request never stopped so we decided to renew and improve this design. Nothing has changed it the external looking since the original design was so nice and timeless that even after many years it has it’s untouched aesthetic appeal.