Dominant sound freq. [Hz], low range

Foam dust filter (7 V) 195,8
Metal dust filter (7 V) 195,8
Nylon dust filter (7 V) 195,8
No obstacle (7 V) 130,7
Hexagonal grille (7 V) 127,0
Plastic dust filter (7 V) 127,0
Silon (20 den) on the circular grille (7 V) 127,0
Silon (40 den) on the circular grille (7 V) 127,0
Circular grille (7 V) 20,3
Value
  • Value
  • Power voltage
  • Obstacle
Ascending
  • Descending
  • Ascending
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