Change history for item: dB Technologies Opera 402 D

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1. Donny Darko 04 August 2023 11:14:39
   1. Create: Width #163376
      Value: 432
      
   2. Create: Height #163377
      Value: 65.5
      
   3. Create: Description #6878592
      Value: Concert, number of bands: 2, active, bass-reflex type
      
   4. Create: Purpose #6878593
      Value: Concert
      
   5. Create: Type #6878594
      Value: Active
      
   6. Create: Acoustic design #6878595
      Value: Bass-reflex type
      
   7. Create: Acoustic radiation #6878596
      Value: Monopolar
      
   8. Create: Number of lanes #6878597
      Value: 2
      
   9. Create: Rated power #6878598
      Value: 400 W
      
   10. Create: Minimum frequency #6878599
       Value: 70 Hz
       
   11. Create: Maximum frequency #6878600
       Value: 19000 Hz
       
   12. Create: Bandwidth Options #6878601
       Value: ±3 dB
       
   13. Create: Crossover frequency #6878602
       Value: 1.94 kHz
       
   14. Create: Maximum sound pressure #6878603
       Value: 128 dB
       
   15. Create: Emitter type #6878604
       Value: Dynamic
       
   16. Create: RF driver dimensions #6878605
       Value: 25 mm
       
   17. Create: RF emitter type #6878606
       Value: Mouthpiece
       
   18. Create: Woofer dimensions #6878607
       Value: 305 mm
       
   19. Create: Bi-amping built-in amplifier #6878608
       Value: There is
       
   20. Create: Number of line inputs #6878609
       Value: 2
       
   21. Create: Number of balanced inputs #6878610
       Value: 2
       
   22. Create: Overload protection #6878611
       Value: There is
       
   23. Create: Finish options #6878612
       Value: Black
       
   24. Create: Depth #6878613
       Value: 353 mm
       
   25. Create: Weight #6878614
       Value: 14.1 kg
       
   26. Create: Additional Information #6878615
       Value: LF emitter power - 300 W, HF emitter power - 100 W; 1x6.3 mm input; microphone input
       
   27. Create: Image #8609376
       URL: https://avatars.mds.yandex.net/get-mpic/96484/img_id987281769285769221/orig
       
   28. Create: Image #8609377
       URL: https://avatars.mds.yandex.net/get-mpic/195452/img_id8793000458820658574/orig
       
   29. Create: Preview image #8609378
       URL: https://avatars.mds.yandex.net/get-mpic/96484/img_id987281769285769221/orig
       
2. Donny Darko 13 April 2023 20:25:35
   Name: dB Technologies Opera 402 D; Catalog: Acoustic systems