Noise level?

[Lofty999]

Hi guys,just a quick question.I am going to book my first day out in the nob at keevil and wondered if anyone can tell me the db reading for a standard exhaust on a got 3 as I am not too keen on travelling for nothing!limit appears to be 100db

Cheers steve

[D_G]

Mine is 97db, standard car. Normal 45 degrees / 1 metre from tailpipe test.

[mrpbailey]

Mine was around 89/90 dB on standard exhaust. Far too quiet!!

[Air Support]

Yep - 97db for me also with a standard exhaust

[AMG Merc]

Mine reads around 98dB. Make sure its well warm before you let them take the measurement.

[Lofty999]

Can't get my bloody helmet on in the car now,knew it was tight but I only have about an inch above my head in the car without helmet.Has any one removed the foam padding successfully?

[wessexrfc]

Lofty999 said:

Can't get my bloody helmet on in the car now,knew it was tight but I only have about an inch above my head in the car without helmet.Has any one removed the foam padding successfully?

Try tipping the seat back.

[Scooby P1]

Mine was 98db at my first track day 3 years ago.

Since then, totally standard car, it seems to have increased to 101db static due to exhaust packing obviously coming out over time.

Sounds nice though.

[wessexrfc]

Sound level or noise level is a physical quantity measured with measuring instruments.
Loudness is a psycho-physical sensation perceived by the human auditory perception or the human ear/brain mechanism. That is not the same.
We are told by psycho-acousticians that a level 10 dB greater usually means "double the loudness" or "twice as loud".
A decibel is one-tenth of a bel, which is the logarithm of the ratio of any two energy-like quantities or two field-like quantities.

Ratio doubling means:
− a power level of +3 dB, or a sound intensity level of +3 dB
− an electric voltage level of +6 dB, or a sound pressure level of +6 dB
− a loudness level of about +10 dB
− 10 dB more SPL means 10 times increase in amplifier gain (amplification).