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UNISON RESEARCH Integrated Amplifiers Unico 90
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Unico 90 Integrated Amplifier

  SKU : Unico 90
Stock :2
Regular Price : $5500.00
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Product Description :

UNISON RESEARCH Integrated Amplifiers Unico 90

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 81in particular multiple-parallel-totem-pole.
 Specification Sheet
Output power: 100+100 W  RMS su 8O / 160+160 W  RMS su 4O
Frequency response: -1dB @ 12Hz e 45kHz -3dB
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,
< 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
This product was added in our store 1/1/1900 12:00:00 AM.

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