Change history for item: Car subwoofer Challenger PRO 12WF

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1. Donny Darko 21 October 2023 06:45:22
   1. Create: Description #24444427
      Value: Subwoofer car subwoofer car subwoofers 30 cm 12 inch.
      
   2. Create: Brand #24444428
      Value: Challenger
      
   3. Create: Type #24444429
      Value: Subwoofer
      
   4. Create: Size #24444430
      Value: 30 cm 12 in.
      
   5. Create: Number of lanes #24444431
      Value: 1
      
   6. Create: Power #24444432
      Value: 500 W maximum
      
   7. Create: Sensitivity #24444433
      Value: 91 dB
      
   8. Create: Impedance #24444434
      Value: 3.2 Ohm
      
   9. Create: Frame #24444435
      Value: No
      
   10. Create: Recommended Enclosure #24444436
       Value: Free-Air
       
   11. Create: Number of speakers #24444437
       Value: 1
       
   12. Create: Dimensions #24444438
       Value: 300 mm
       
   13. Create: Diffuser material #24444439
       Value: Paper reinforced with wool thread with moisture-proof impregnation
       
   14. Create: Suspension material #24444440
       Value: Butyl rubber
       
   15. Create: Installation depth #24444441
       Value: 147 mm
       
   16. Create: Resonant frequency Fs #24444442
       Value: 35 Hz
       
   17. Create: Total quality factor Qts #24444443
       Value: 0.57
       
   18. Create: Image #21282010
       URL: https://avatars.mds.yandex.net/get-mpic/195452/img_id9043065661174677794/orig
       
   19. Create: Preview image #21282011
       URL: https://avatars.mds.yandex.net/get-mpic/195452/img_id9043065661174677794/orig
       
2. Donny Darko 20 October 2023 11:00:12
   Name: Car subwoofer Challenger PRO 12WF; Catalog: Car acoustics