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NO LONGER AVAILABLE: Unison Research Preludio Valve Integrated amp with remote

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Item: Unison Research Preludio
Location: Canberra
Price: $2,900 or reasonable offer
Item Condition: Perfect
Reason for selling: Going DIY
Payment Method: Pickup - Cash, Paypal, COD Only
Extra Info: Well known, this beautiful amp was bought in March 2013 from Sydney HiFi

The RRP is now $4,899. Audition it welcomed.


She comes with original (double boxed) packaging


2 KT88 and 2 ECC82 valves in class A SET



The Preludio has a microprocessor-based circuit which allows the user to control the volume by using the remote IR handset. The analogue volume regulation is operated by a high quality ALPS RK27 stereo motorized potentiometer.


  • Output Power: 14W / channel ..... Pure Class A of course
  • 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...  it does not look like it weighs that much but it DOES








Edited by cobar53
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