Originally Posted by VR Baron
Yeah, Donnie was in Long Beach and they had a DB machine on the street, like the ones showing your speed and said he was at 92 and would get a ticket in the mail!
These are supposed to be "manned" stations. Since the sensor isn't 1 meter from the source and it doesn't know the RPM that the car was running at it won't be accurate.
The 94dB reading is at 50% of redline measured at 1 meter from the rear of the car. At WOT I'm at 121dB.