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Unison Research UNICO 90 Hybrid Integrated Amplifier
UNISON RESEARCH UNICO 90, Stereo Hybrid Integrated Amplifier [Unico Series].
[Finish: Silver, Black]
Description
Unico 90 is a class AB hybrid integrated amplifier with zero feedback, as the most precious valve amplifiers uses only two stages. The heart of the Unico 90 circuit is found in its hybrid structure. All of the gain, and subsequently the "character" of the amp, is determined by the only tube stage made with ECC83 and ECC 81 in particular multiple-parallel-totem-pole.
Technical characteristics
- Output power: 100+100 W RMS su 8Ω / 160+160 W RMS su 4Ω
- Frequency response: -1dB @ 12Hz e 45kHz -3 dB
- Input impedance: 21Kohm // 300pF
- Input sensitivity: 860mV RMS
- Input stage: Pure A class, double triode totem pole ECC83 and parallel totem pole ECC81 This single stage due to the particular circuitry is able to amplify the input signal and drive directly the power stage.
- Output stage: Class AB thermostable, complementary Hexfet (3 pairs for channel)
- Number of stage: 2, This amplifier due to the particular circuitry is realized by only two stages: input stage and output stage, and use only local feedback
- Input: 6 line (3 unbalanced, 2 balanced, 1 “bypass” unbalanced)
- Line Outputs: 1 tape, 1 sub (volume controlled)
- Output connectors: 4 + 4 bi-wiring
- Global Feedback factor: 0 dB
- THD: < 0.15% @ 1kHz, 1 W
< 0.5% @ 1kHz, 10 W - Output resistance: <0.4 ohm, resistive on all audio frequencies
- Power Consumption: 550 W (at max power on 8 ohm)
- Dimensions: 43.5cm x 44 cm x 18 cm h
- Net weight: 20 kg
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