Change history for item: Martin Logan Helos 12

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1. Donny Darko 02 August 2023 14:59:16
   1. Create: Width #137974
      Value: 242
      
   2. Create: Height #137975
      Value: 242
      
   3. Create: Description #6360785
      Value: Built-in, number of lanes: 2, passive, closed type
      
   4. Create: Location #6360786
      Value: Embedded
      
   5. Create: Type #6360787
      Value: Passive
      
   6. Create: Acoustic design #6360788
      Value: Closed type
      
   7. Create: Acoustic radiation #6360789
      Value: Monopolar
      
   8. Create: Number of lanes #6360790
      Value: 2
      
   9. Create: Recommended amplifier power min. #6360791
      Value: 20 W
      
   10. Create: Recommended amplifier power max. #6360792
       Value: 200 W
       
   11. Create: Minimum frequency #6360793
       Value: 47 Hz
       
   12. Create: Maximum frequency #6360794
       Value: 20000 Hz
       
   13. Create: Bandwidth Options #6360795
       Value: ±3 dB
       
   14. Create: Crossover frequency #6360796
       Value: 2.8 kHz
       
   15. Create: Sensitivity #6360797
       Value: 89 dB
       
   16. Create: Sensitivity Measurement Options #6360798
       Value: DB/2.83 V/m
       
   17. Create: Impedance #6360799
       Value: 4 ohm
       
   18. Create: Emitter type #6360800
       Value: Dynamic
       
   19. Create: RF driver dimensions #6360801
       Value: 25 mm
       
   20. Create: RF emitter type #6360802
       Value: Dome
       
   21. Create: Woofer dimensions #6360803
       Value: 165 mm
       
   22. Create: Woofer material #6360804
       Value: Aluminum
       
   23. Create: Gold plated connectors #6360805
       Value: There is
       
   24. Create: Connector for connecting to a power amplifier #6360806
       Value: Spring
       
   25. Create: Removable grid #6360807
       Value: There is
       
   26. Create: Ceiling mounting #6360808
       Value: There is
       
   27. Create: Depth #6360809
       Value: 117 mm
       
   28. Create: Mounting hole #6360810
       Value: 212
       
   29. Create: Installation depth #6360811
       Value: 112 mm
       
   30. Create: Weight #6360812
       Value: 2 kg
       
   31. Create: Image #8229684
       URL: https://avatars.mds.yandex.net/get-mpic/3923571/img_id6779907332572255305.jpeg/orig
       
   32. Create: Image #8229685
       URL: https://avatars.mds.yandex.net/get-mpic/5177644/img_id2042041864442059510.jpeg/orig
       
   33. Create: Preview image #8229686
       URL: https://avatars.mds.yandex.net/get-mpic/3923571/img_id6779907332572255305.jpeg/orig
       
2. Donny Darko 13 April 2023 18:53:14
   Name: Martin Logan Helos 12; Catalog: Acoustic systems