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Yamaha Motor Revs Your Heart

Performance Dampers

Superior Door Closing Sound

Gives a statelier feeling by making the sound of closing doors quieter. This gives the impression such as luxury vehicle.

Performance Dampers absorb excess vibration from the chassis

Performance Dampers absorb excess vibration from the chassis

  • The sound of doors closing is quieter
  • This instills a statelier feeling

The vehicle feels like it is a superior grade model

Test Method

We measured the difference in sound pressure with and without Performance Dampers by measuring sound around the ears 10 times when closing the doors under certain conditions.

Closed the door with its own weight at constant inclination, measuring sound around the ears in the driver’s seat
Closed the door with its own weight at constant inclination, measuring sound around the ears in the driver’s seat
  • SamplingRate : 48 kHz
  • FFT Line : 512 Line
  • Overlap : 32

Test Results

Driver’s Seat Sound Pressure

Average of 10 measurements at peak frequency

Peak frequency Without Performance Dampers With Performance Dampers Effects
2000Hz 77.2dB 76.4dB ⊿0.8dB ⇒ 17% reduction in energy
2200Hz 77.3dB 76.2dB ⊿1.1dB ⇒ 22% reduction in energy

Taking the average value of peaks from 10 measurements with and without Performance Dampers, we found that sound pressure was reduced by about 1 dB with Performance Dampers. This is approximately 20% energy reduction. Verification confirmed that the sound of doors closing definitely became quieter.

*Data based on Yamaha Motor’s evaluations
*It may not be possible to obtain sufficient benefits, depending on the driving environment, including road surface conditions and vehicle speed.
*Individual differences exist in how benefits are felt.

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