UNISON RESEARCH PRELUDE TUBE INTEGRATED AMPLIFIER HI FI
Unison Research Preludio has a toroidal transformer .
The anode power supply for the Prelude has a much higher capacity than a normal power supply.
preamp valve and drivers are current using the c. the anode of the power stage valves.
The voltage is regulated by a dedicated power supply which uses a part of the energy otherwise dissipated. This also allows an improvement of the general system, optimizing space and reducing heat.
Each of the Prelude channel has a preamplifier stage, a power stage and an output transformer *.
And preamp stage potenzadipendono by a double triode ECC82, a valve that keeps linearity and eliminates harmonic distortions.
All the amplification stages are tube and operating in pure class A .
So the first stage constituted by a triode ECC82 operating as an external cathode of the ring to practically zero-feedback feedback.
Equipped with a low impedance output for active subwoofer , with volume potentiometer.
The outputs are designed for both channels via two large gold plated connectors suitable for any type of cable, allowing you to connect speakers with a nominal impedance of 8 ohms.
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Technical features:
Type: Stereo Integrated Valve Amplifier
Output Stage: single ended ultraliner A class
Output Power: 14W / channel
Inputs: 4 line, 1 tape
Outputs: 1 tape, 1 sub woofer, loudspeakers
Input Impedance: 47 kOhm
Output Impedance: 6 ohm
Feedback factor: 10dB
Frequency Response: 15 – 50000 Hz
Valves: 2 x 6550/KT88, 2 x ECC82
Remote Control: IR for volume
Power Consumption: 200W max
Dimension: 37.5 x 40 x 18cm
Net Weight: 40 lbs
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