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Decibel Levels

Discussion in '308/328' started by 4right, Sep 10, 2023.

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  1. 4right

    4right F1 Rookie
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    #1 4right, Sep 10, 2023
    If you have ever watched Harry’s Garage, you would have noticed that he measures the decibel level inside the car while taking the various cars out for a test drive. He uses an app called db Meter Pro. For kicks, I downloaded the app and measured mine. 76 308 GTB, Euro, no sound deadening in the air box. High reading was 116, wind noise? The highest that I noticed while accelerating through the gears was 92. I would imagine that the carb 308’s without air box insulation would be the loudest with stock exhaust. Image Unavailable, Please Login
     
  2. Jonny Law

    Jonny Law F1 Rookie
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    #2 Jonny Law, Sep 10, 2023
    At my '81 GTBi at 3000 RPM gets around 95 db
     
  3. Basal Skull

    Basal Skull Formula Junior

    Oct 26, 2010
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    #3 Basal Skull, Sep 10, 2023
    Widows closed I guess and what rpm in what gear? I can try too. 116 is a bit loud?


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  4. 4right

    4right F1 Rookie
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    #4 4right, Sep 11, 2023
    I will try with the windows closed next time. I typically run the rpms between 4K and 5K when accelerating through the gears.
     
  5. Jonny Law

    Jonny Law F1 Rookie
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    #5 Jonny Law, Sep 12, 2023
    I tell people it's a love hate relationship. Who wouldn't love to have a Italian supermodel girl friend, who is high maintenance and only volume settings are loud or screaming.
     
  6. wildcat326

    wildcat326 Formula 3

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    #6 wildcat326, Sep 12, 2023
    I've been working on recording an "accurate" soundtrack of the carbs at full bore (engine properly warmed up, of course). I tried mounting a windscreened (both foam and dead cat) mic in the air intake, with airbox sound baffling removed, and - at redline - it blows out a mic with 140dB SPL. Cockpit would obviously be much quieter, but then, also less exciting. FWIW
     

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