Change history for item: Car subwoofer Polk Audio MM 1540

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1. Donny Darko 20 October 2023 09:37:30
   1. Create: Description #24373507
      Value: Subwoofer car subwoofer car subwoofers 38 cm 15 inch.
      
   2. Create: Brand #24373508
      Value: Polk Audio
      
   3. Create: Type #24373509
      Value: Subwoofer
      
   4. Create: Size #24373510
      Value: 38 cm 15 in.
      
   5. Create: Number of lanes #24373511
      Value: 1
      
   6. Create: Power #24373512
      Value: 850 W maximum
      
   7. Create: Sensitivity #24373513
      Value: 93 dB W/m
      
   8. Create: Frequency response #24373514
      Value: 18 - 150 Hz
      
   9. Create: Impedance #24373515
      Value: 4 ohm
      
   10. Create: Frame #24373516
       Value: No
       
   11. Create: Recommended Enclosure #24373517
       Value: Closed box
       
   12. Create: Number of speakers #24373518
       Value: 1
       
   13. Create: Dimensions #24373519
       Value: 381 mm
       
   14. Create: Diffuser material #24373520
       Value: Polymer
       
   15. Create: Suspension material #24373521
       Value: Butyl rubber
       
   16. Create: Installation depth #24373522
       Value: 133 mm
       
   17. Create: Mounting hole #24373523
       Value: 352 mm
       
   18. Create: Basket material #24373524
       Value: Carbon
       
   19. Create: Resonant frequency Fs #24373525
       Value: 27 Hz
       
   20. Create: Total quality factor Qts #24373526
       Value: 0.5
       
   21. Create: Equivalent volume Vas #24373527
       Value: 100 l
       
   22. Create: Terminals #24373528
       Value: Spring
       
   23. Create: Image #21252692
       URL: https://avatars.mds.yandex.net/get-mpic/1749547/img_id1950813284764718723/orig
       
   24. Create: Preview image #21252693
       URL: https://avatars.mds.yandex.net/get-mpic/1749547/img_id1950813284764718723/orig
       
2. Donny Darko 20 October 2023 06:26:03
   Name: Car subwoofer Polk Audio MM 1540; Catalog: Car acoustics