Change history for item: Audio Research SP20 preamplifier

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1. Donny Darko 03 August 2023 12:34:45
   1. Create: Width #160096
      Value: 480
      
   2. Create: Height #160097
      Value: 134
      
   3. Create: Description #6717565
      Value: Type: preamplifier, standard: stereo, circuitry: class A, tube, connectors and interfaces: RS-232, stereo audio line input x 5, phono stage input, Preamp output, stereo audio line output x 2
      
   4. Create: Brand #6717566
      Value: Audio Research
      
   5. Create: Type #6717567
      Value: Preamplifier
      
   6. Create: Standard #6717568
      Value: Stereo
      
   7. Create: Number of channels #6717569
      Value: 2
      
   8. Create: Circuit design #6717570
      Value: Class A, lamp
      
   9. Create: Lin sensitivity. entrance #6717571
      Value: 2000 mV
      
   10. Create: Input impedance lin. entrance #6717572
       Value: 200 kOhm
       
   11. Create: Minimum repeatable frequency #6717573
       Value: 0.8 Hz
       
   12. Create: Maximum playback frequency #6717574
       Value: 220000 Hz
       
   13. Create: Harmonic coefficient #6717575
       Value: 0.003 %
       
   14. Create: Signal to noise ratio #6717576
       Value: 125 dB
       
   15. Create: Channel separation #6717577
       Value: 105 dB
       
   16. Create: Peculiarities #6717578
       Value: Display
       
   17. Create: Connectors and interfaces #6717579
       Value: RS-232, Audio Line Stereo x 5, Phono Input, Preamp Out, Audio Line Stereo x 2
       
   18. Create: Connectors on the front panel #6717580
       Value: Headphone output
       
   19. Create: Depth #6717581
       Value: 420 mm
       
   20. Create: Weight #6717582
       Value: 7.4 kg
       
   21. Create: Image #8356521
       URL: https://avatars.mds.yandex.net/get-mpic/4866352/img_id2995438180518117756.jpeg/orig
       
   22. Create: Image #8356522
       URL: https://avatars.mds.yandex.net/get-mpic/4080484/img_id3506530960288939753.jpeg/orig
       
   23. Create: Image #8356523
       URL: https://avatars.mds.yandex.net/get-mpic/4561793/img_id3652350238988499628.jpeg/orig
       
   24. Create: Image #8356524
       URL: https://avatars.mds.yandex.net/get-mpic/4984138/img_id2318806391387182079.jpeg/orig
       
   25. Create: Preview image #8356525
       URL: https://avatars.mds.yandex.net/get-mpic/4866352/img_id2995438180518117756.jpeg/orig
       
2. Donny Darko 14 April 2023 21:01:01
   Name: Audio Research SP20 preamplifier; Catalog: Audio amplifiers and receivers