Unison Research
Unison Research SH amplifer hifi cuffia valvole Dac Classe A USB stereo hifi

Technical features:
Maximum output voltage 1% THD:
Output High sensitivity: 0.5 V to 150 ohms, 12:45 V on 33 ohm, 10 ohm 0.4 V
low sensitivity output: 1.4 V at 150 ohms, 33 ohms at 1.1 V, 0.6 V to 10 ohms
stereo2000.it
Frequency range: -0.1 dB @ 10 Hz / 3-dB @ 50 kHz (output "Low sensitivity" of 33 ohms)
Input impedance: 20 kilohms // 100 pF
Sensitivity: 0.67 V input for 0:33 V output (output "High sensitivity", 10 ohms) 0.67 V input to 1 V output (output "Low sensitivity", 33 ohms)
input stage: Pure Class A, ECC83 / 12AX7
Output Stage: Class A, EL84 connected in triode
Inputs: 1 RCA line, 1 USB
Outputs: 2 in parallel
Feedback factor: 16 dB
Output Impedance: 6.9ohm.
Damping factor: 3 of 20 ohms
THD: <0.2% @ 1kHz, 0.5V, <0.8% up to 1 V (Output "Low sens." About 33 ohms)
Consumption: 45 W
Dimensions: 22.5 x 12.6 x 32.2 cm
Weight: 6 kg
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