unison

SH

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  • Regular price $0.00


Description

Unison Research's tradition of Single Ended is well known in markets around the world and has been used to make a component aimed solely at quality. SH is a Single Ended Class A headphone amplifier, made with a two-stage tube circuit and preceded by a passive volume control. The refinement of the tubes is combined with modernity through the internal DAC and the USB input, which make the SH ideal for instrument for listening to liquid music with headphones.

Specifications

  • Maximum output voltage (THD 1%): 
    "High sensitivity" output 
    0.5 V into 150 ohm, 0.45 V into 33 ohm, 0.4 V into 10 ohm 
    "Low sensitivity" output 
    1.4 V into 150 ohm, 1.1 V into 33 ohm, 0.6 V into 10 ohms
  • Frequency response: 
    -0.1 dB @ 10Hz / 3-dB @ 50 kHz ("Low sensitivity" output into 33 ohms)
  • Input Impedance: 20 kohm // 100 pF
  • Sensitivity: 
    0.67 V input for 0.33 V output ("High sensitivity" output, 10 ohm) 
         0.67 V input for 1 V output ("Low sensitivity" output, 33 ohm)
  • Input stage: 
    Pure Class A, ECC83 / 12AX7
  • Output stage: 
    Class A, 2 EL84 connected to triode
  • Inputs: 1 RCA line, 1 USB
  • Outputs: 2 in parallel
  • Feedback factor: 16 dB
  • Output Impedance: 6.9ohm.
  • Damping factor: 3 to 20 ohms
  • THD: <0.2% @ 1kHz, 0.5V, <0.8% up to 1 V ("Low sens." Output on 33 ohm)
  • Absorption: 45 W
  • Dimensions: 22.5cm x 12.6cm x 32.2cm
  • Weight: 6 kg