Description
UNISON RESEARCH UPHONO+ PREAMPLIFICATORE FONO MM / MC PREPHONO uPhono+ is a multifunction MM/MC phono preamplifier with high-resolution A/D processing and conversion, three digital outputs and a high-current headphone stage.
Tech spechs
Analogic moving magnet input (MM) /High output moving coil (MC)
Low and ultra low moving coil
Fixed analogue output
Variable analogue output
Headphones (16-600Ω): ¼ inch (6.35mm) stereo jack socket
Type B USB Digital port for pc connection (up to 24 bit / 96 kHz)
Digital Optic transmission
Digital Coaxial transmission
Input impedance MM 47kΩ + 100/200/320 / 420pF
MC 20/50/100/150/250/500 / 1kΩ + 1nF
Gain 1 kHz MM 38 dB MC 58dB / 69dB selectable
Nominal output level 316mVRMS (-10dBV)
Input sensitivity for nominal output level MM 3.36mVRMS MC (58dB) 0,336mVRMS
MC (69dB) 0.1mVRMS
Signal/Noise Ratio MM -80dB MC (58dB) -64dB MC (69dB) -60dB
RIAA curve accuracy +/- 0.3dB from 20Hz to 30kHz
IEC anti-rumble filter -3dB at 20Hz and 6dB/octave
Overload margin (headroom) 30dB
THD+N at 1kHz MM 0.018% (10mVRMS in) MC (58dB) 0.12% (1mVRMS in) MC (69dB) 0.12% (1mVRMS in)
Line output impedance Fixed 824Ω Variable 824Ω
Headphone stage Output level 2.18VRMS Max THD+N 0.07% (1kHz /32Ω)
USB A/D Resolution 16/24 bit Sample rates 8, 16, 32, 44.1, 48, 88.2, 96kHz
Coaxial digital output 0.5Vp-p a 75Ω / 96kHz max.
Mains voltage 220-240V AC or 100-120V AC according to the country of use
Power 6.6W
Dimensions (H x W x D) 82.5 x 216mm x 251mm (3.25 x 8.5 x 9.9 inches) including feet, connectors and knobs
Weight 2.6Kg (lbs)
